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Quantum Physics

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16.07.2019
11:35 Technology.orgPhysicists find first possible 3D quantum spin liquid

There’s no known way to prove a three-dimensional “quantum spin liquid” exists, so Rice University physicists and their

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03:49 Futurity.orgThe ‘arrow of time’ (mostly) moves forward in quantum systems

New experiments with "movies" of quantum systems show that they follow the second law of thermodynamics—most of the time, that is.

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00:49 ScienceDaily.comPhysicists find first possible 3D quantum spin liquid

There's no known way to prove a three-dimensional 'quantum spin liquid' exists, so physicists did the next best thing: They showed their crystals of cerium zirconium pyrochlore had the right stuff to qualify as the first possible 3D version of the long-sought state of matter.

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15.07.2019
21:42 Photonics.comPhysicists Develop New Method to Verify Photon Entanglement

A team of researchers from the University of Vienna and the Austrian Academy of Sciences (ÖAW) has introduced a novel technique to detect entanglement even in large-scale quantum systems. Here is how the technique works: After a quantum system has been generated in the laboratory, the scientists choose specific quantum measurements that are then applied to the system. The results of these measurements lead to either confirming or denying the presence of entanglement. The scientists’ confidence in the existence of entanglement grows exponentially with the number of individual detection events, namely copies of the quantum state. “It is somehow similar to asking certain ‘yes/no’ questions to the quantum...

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20:15 Phys.orgHow the quest for a scalable quantum computer is helping fight cancer

Today, someone with breast cancer may undergo several rounds of chemotherapy and spend months in limbo before medical scans can show if that particular cocktail of toxic drugs is shrinking the tumor.

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19:52 Phys.orgPhysicists find first possible 3-D quantum spin liquid

There's no known way to prove a three-dimensional "quantum spin liquid" exists, so Rice University physicists and their collaborators did the next best thing: They showed their single crystals of cerium zirconium pyrochlore had the right stuff to qualify as the first possible 3-D version of the long-sought state of matter.

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19:52 Phys.orgNIST's quantum logic clock returns to top performance

The quantum logic clock—perhaps best known for showing you age faster if you stand on a stool—has climbed back to the leading performance echelons of the world's experimental atomic clocks.

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19:34 ScienceDaily.comQuantum logic clock returns to top performance

The quantum logic clock -- perhaps best known for showing you age faster if you stand on a stool -- has climbed back to the leading performance echelons of the world's experimental atomic clocks.

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18:30 Nanowerk.comPhysicists find first possible 3D quantum spin liquid

There?s no known way to prove a three-dimensional ?quantum spin liquid? exists, so physicists did the next best thing: They showed their single crystals of cerium zirconium pyrochlore had the right stuff to qualify as the first possible 3D version of the long-sought state of matter.

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09:47 Nanowerk.comNew two-dimensional materials: from their behavior and quantum properties to their industrial applications

The NMAT2D-CM project will combine optics, theoretical physics and materials science to study 2D materials in order to develop devices for industrial applications.

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05:22 GizmagScientists capture image of quantum entanglement for the first time


Quantum entanglement, where two objects become intertwined and remain so no matter the distance that grows between them, is a tricky phenomenon to study let alone photograph. But scientists doing the former have now managed the latter, capturing an image of this strange bond for the first time.
.. Continue Reading Scientists capture image of quantum entanglement for the first time Category: Science Tags: Quantum Mechanics Quantum Physics University of Glasgow

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13.07.2019
13:58 Phys.orgScientists unveil the first-ever image of quantum entanglement

For the first time ever, physicists have managed to take a photo of a strong form of quantum entanglement called Bell entanglement—capturing visual evidence of an elusive phenomenon which a baffled Albert Einstein once called 'spooky action at a distance'.

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01:11 Photonics.comNew Theory Aims to Advance Quantum Computing

A protocol for storing and releasing a single photon in an embedded eigenstate — a quantum state that is virtually unaffected by loss and decoherence — could advance the development of quantum computers. Created by researchers at City University of New York (CUNY), the protocol could facilitate a new approach to capturing and preserving photons. The team’s calculations suggest that it is possible for a pair of photons to impinge on a cavity-atom coupled system, and that atomic nonlinearity would allow one photon to be perfectly trapped and preserved in the system while the other is reemitted. The researchers theoretically explored the excitation and release of single-photon embedded eigenstates based on atomic...

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12.07.2019
22:31 ScienceDaily.comWhich is the perfect quantum theory?

For some phenomena in quantum many-body physics several competing theories exist. But which of them describes a quantum phenomenon best? Researchers have now successfully deployed artificial neural networks for image analysis of quantum systems.

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18:37 ScienceDaily.comWhich is the perfect quantum theory?

For some phenomena in quantum many-body physics several competing theories exist. But which of them describes a quantum phenomenon best? A team of researchers has now successfully deployed artificial neural networks for image analysis of quantum systems.

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17:44 Phys.orgWhich is the perfect quantum theory?

For some phenomena in quantum many-body physics, several competing theories exist. But which of them describes a quantum phenomenon best? A team of researchers from the Technical University of Munich (TUM) and Harvard University in the United States has now successfully deployed artificial neural networks for image analysis of quantum systems.

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11:25 TechnologyReview.comExplainer: What is post-quantum cryptography?

The race is on to create new ways to protect data and communications from the threat posed by super-powerful quantum computers.

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11.07.2019
20:17 ScienceDaily.comThe best of both worlds: How to solve real problems on modern quantum computers

Researchers have developed hybrid algorithms to run on size-limited quantum machines and have demonstrated them for practical applications.

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19:34 Phys.orgA connection between quantum correlations and spacetime geometry

Researchers of the Academy explore the consequences of locality for measurements distributed in spacetime. Their article has now been published in the Nature journal Quantum Information.

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16:35 Phys.orgCoupling qubits to sound in a multimode cavity

In a recent study, researchers at the University of Colorado have resolved phonon Fock states in the spectrum of a superconducting qubit coupled to a multimode acoustic cavity. Fock states (or number states) are quantum states with a clearly defined number of particles. These states play a crucial part in the second quantization formulation of quantum mechanics.

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10:09 Technology.orgQuantum sensor breakthrough using naturally occurring vibrations in artificial atoms

When individual atoms emit light, they do so in discrete packets called photons. When this light is measured,

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10.07.2019
23:49 ScienceDaily.comPuzzling on a quantum chessboard

Physicists are proposing a new model that could demonstrate the supremacy of quantum computers over classical supercomputers in solving optimization problems. They demonstrate that just a few quantum particles would be sufficient to solve the mathematically difficult N-queens problem in chess even for large chess boards.

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22:52 ScienceDaily.comQuantum sensor breakthrough using naturally occurring vibrations in artificial atoms

A team of scientists have discovered a new method that could be used to build quantum sensors with ultra-high precision.

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20:18 ScienceDaily.comHow to 'lock' heat in place using quantum mechanics

In a global first, scientists have demonstrated that heat energy can be manipulated by utilizing the quantum mechanical principle of anti-parity-time symmetry. Using this method, they were able to control the flow of heat in a material.

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18:50 Phys.orgSolving problems on a quantum chessboard

Physicists at the University of Innsbruck are proposing a new model that could demonstrate the supremacy of quantum computers over classical supercomputers in solving optimization problems. In a recent paper, they demonstrate that just a few quantum particles would be sufficient to solve the mathematically difficult N-queens problem in chess even for large chess boards.

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16:17 Phys.orgA virtual substrate opens path to oxide films on silicon for application in 5G, MEMS, sensors and quantum computation

Proof that a new ability to grow thin films of an important class of materials called complex oxides will, for the first time, make these materials commercially feasible, according to Penn State materials scientists.

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15:54 Phys.orgScientists discover how to 'lock' heat in place using quantum mechanics

A ground-breaking study conducted by researchers from the National University of Singapore (NUS) has revealed a method of using quantum mechanical wave theories to "lock" heat into a fixed position.

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13:22 Nanowerk.comQuantum sensor breakthrough using naturally occurring vibrations in artificial atoms

Scientists have discovered a new method that could be used to build quantum sensors with ultra-high precision.

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12:58 Technology.orgCharacterizing the ‘arrow of time’ in open quantum systems

Even in the strange world of open quantum systems, the arrow of time points steadily forward — most

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12:11 Phys.orgQuantum sensor breakthrough using naturally occurring vibrations in artificial atoms

A team of scientists, led by the University of Bristol, have discovered a new method that could be used to build quantum sensors with ultra-high precision.

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00:58 ScienceDaily.comQuantum chemistry on quantum computers

A new quantum algorithm has been implemented for identifying important physical quantities such as spin quantum numbers relevant to convoluted electronic wave functions on quantum computers, serving as tracking complex chemical reactions without exponential/combinatorial explosion, giving exact solutions of Schroedinger Equations for chemistry, for the first time.

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00:02 ScienceDaily.comCharacterizing the 'arrow of time' in open quantum systems

Even in the strange world of open quantum systems, the arrow of time points steadily forward -- most of the time. New experiments compare the forward and reverse trajectories of superconducting circuits called qubits, and find that they largely tend to follow the second law of thermodynamics.

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09.07.2019
22:34 Phys.orgCharacterizing the 'arrow of time' in open quantum systems

Even in the strange world of open quantum systems, the arrow of time points steadily forward—most of the time. New experiments conducted at Washington University in St. Louis compare the forward and reverse trajectories of superconducting circuits called qubits, and find that they follow the second law of thermodynamics. The research is published July 9 in the journal Physical Review Letters.

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19:20 Physics.Aps.orgSynopsis: Dividing Work into Quantum Chunks

Using ideas from topological materials, researchers propose a way to quantize work.
[Physics] Published Tue Jul 09, 2019

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13:50 ScientificAmerican.ComQuirky Quantum Tunneling Observed

A new study finds observational evidence of Klein tunneling, a strange phenomenon that enables particles to pass through even the toughest barriers -- Read more on ScientificAmerican.com

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12:33 AzoNano.comLocalized Excitons in 2D Materials for Integrated Quantum Optics

NUS scientists have found that the oxygen interstitials in single-layer tungsten diselenide (WSe2) enable it to function as single photon emitters (SPEs) for quantum optical applications....

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08.07.2019
19:51 Phys.orgQuantum satellite combines art with science

A satellite built by the National University of Singapore (NUS) entered orbit in June carrying both a high-tech quantum device from the Centre for Quantum Technologies (CQT) and a quotation from a play written for the NUS Arts Festival.

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19:16 Phys.orgResearchers combine quantum expertise to advance research in ultracold molecules

Leaders in the field of ultracold molecule research from Columbia and Harvard universities are teaming up to propel understanding of the quantum mechanics of chemical reactions.

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18:36 Nature.ComNonlinear optics in the fractional quantum Hall regime

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16:31 Phys.orgLocalised excitons in 2-D materials for integrated quantum optics

NUS scientists have found that the oxygen interstitials in single-layer tungsten diselenide (WSe2) enable it to function as single photon emitters (SPEs) for quantum optical applications.

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10:49 Nanowerk.comLocalized excitons in 2D materials for integrated quantum optics

Scientists have found that the oxygen interstitials in single-layer tungsten diselenide enable it to function as single photon emitters for quantum optical applications.

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05.07.2019
17:12 CosmosMagazine.comQuantum computing for the qubit curious

Quantum computers could change the world. It's a shame they’re so bewildering. Cathal O'Connell prepared this brief primer.

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17:07 Phys.orgNUS quantum satellite combines art with science

A satellite built by the National University of Singapore (NUS) entered orbit in June carrying both a high-tech quantum device from the Centre for Quantum Technologies (CQT) and a quotation from a play written for the NUS Arts Festival.

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13:36 NewScientist.ComMore than a thousand sharks and rays have become entangled in plastic

More than a thousand sharks and rays have become entangled in plastic debris, a team has found by reviewing scientific papers and Twitter

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04.07.2019
12:13 Technology.orgGeneration and sampling of quantum states of light in a silicon chip

Scientists from the University of Bristol and the Technical University of Denmark have found a promising new way

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12:13 Technology.orgNew material shows high potential for quantum computing

A joint team of scientists at the University of California, Riverside, and the Massachusetts Institute of Technology is

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03.07.2019
20:21 Nature.ComHyperbolic lattices in circuit quantum electrodynamics

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20:21 Nature.ComMagnetic monopole noise

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20:02 Phys.orgMagnetic monopoles make acoustic debut

University College Cork (UCC) & University of Oxford Professor of Physics, Séamus Davis, has led a team of experimental physicists in the discovery of the magnetic noise generated by a fluid of magnetic monopoles.

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17:26 QuantaMagazine.orgThe Quantum Theory That Peels Away the Mystery of Measurement

A recent test has confirmed the predictions of quantum trajectory theory.

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11:36 Technology.orgPhysicists use light waves to accelerate supercurrents, enable ultrafast quantum computing

Jigang Wang patiently explained his latest discovery in quantum control that could lead to superfast computing based on

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02.07.2019
23:52 ScienceDaily.comGeneration and sampling of quantum states of light in a silicon chip

Scientists have found a promising new way to build the next generation of quantum simulators combining light and silicon micro-chips.

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16:40 Phys.orgGeneration and sampling of quantum states of light in a silicon chip

Scientists from the University of Bristol and the Technical University of Denmark have found a promising new way to build the next generation of quantum simulators combining light and silicon micro-chips.

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07:46 ScienceDaily.comSimulating quantum systems with neural networks

A new computational method, based on neural networks, can simulate open quantum systems with unprecedented versatility.

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02:25 Futurity.orgStacked 2D materials reveal exotic quantum states

Double-layer stacks of graphene show off some new quantum physics scientists haven't observed before.

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01.07.2019
23:06 Phys.orgPhysicists use light waves to accelerate supercurrents, enable ultrafast quantum computing

Jigang Wang patiently explained his latest discovery in quantum control that could lead to superfast computing based on quantum mechanics: He mentioned light-induced superconductivity without energy gap. He brought up forbidden supercurrent quantum beats. And he mentioned terahertz-speed symmetry breaking.

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23:02 ScienceDaily.comPhysicists use light waves to accelerate supercurrents, enable ultrafast quantum computing

Scientists have discovered that terahertz light -- light at trillions of cycles per second -- can act as a control knob to accelerate supercurrents. That can help open up the quantum world of matter and energy at atomic and subatomic scales to practical applications such as ultrafast computing.

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21:52 Photonics.comQuantum Teleportation-Based State Transfer of Photon Polarization in Diamond

Researchers from the Yokohama National University have demonstrated reliable quantum state transfer of photon polarization into a carbon nuclear spin coupled to a nitrogen-vacancy (NV) center in diamond. The transfer of quantum information into an otherwise inaccessible space — in this case, carbon atoms in diamond — could be applied to the transfer of sensitive information into a quantum memory without revealing or damaging the stored quantum information. The lattice structure of diamond contains a nitrogen-vacancy (NV) center with surrounding carbons. A carbon isotope (green) is first entangled with an electron (blue) in the vacancy. They then wait for a photon (red) to be absorbed, resulting in quantum...

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17:25 Phys.orgSimulating quantum systems with neural networks

Even on the scale of everyday life, nature is governed by the laws of quantum physics. These laws explain common phenomena like light, sound, heat, or even the trajectories of balls on a pool table. But when applied to a large number of interacting particles, the laws of quantum physics actually predict a variety of phenomena that defy intuition.

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16:55 ChemistryWorld.comGet with the quantum program

Now is the time for industry to engage with the emerging world of quantum computers

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16:38 Phys.orgStudy unveils new supersymmetry anomalies in superconformal quantum field theories

Researchers at the University of Southampton and the Korea Institute for Advanced Study have recently showed that supersymmetry is anomalous in N=1 superconformal quantum field theories (SCFTs) with an anomalous R symmetry. The anomaly described in their paper, published in Physical Review Letters, was previously observed in holographic SCFTs at strong coupling, yet their work confirms that it is already present in the simplest free STFCs.

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14:04 Space.comAfter Decades of Hunting, Physicists Claim They've Made Quantum Material from Depths of Jupiter

A team of researchers have posted a paper in which they claim to have achieved a holy grail of materials science: creating metallic hydrogen in a laboratory.

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30.06.2019
23:00 Technology.orgResearch reveals exotic quantum states in double-layer graphene

Researchers from Brown and Columbia Universities have demonstrated previously unknown states of matter that arise in double-layer stacks

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16:09 ScientificAmerican.ComQuantum Computing for English Majors

The poet who discovered Shor’s algorithm answers questions about quantum computers and other mysteries -- Read more on ScientificAmerican.com

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29.06.2019
05:10 ScienceDaily.comNew material shows high potential for quantum computing

Scientists are getting closer to confirming the existence of an exotic quantum particle called Majorana fermion, crucial for fault-tolerant quantum computing -- the kind of quantum computing that addresses errors during its operation.

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02:33 ScienceDaily.comBuilding a bridge to the quantum world

Entanglement is one of the main principles of quantum mechanics. Physicists have found a way to use a mechanical oscillator to produce entangled radiation. This method might prove extremely useful when it comes to connecting quantum computers.

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01:20 Nanowerk.comNew material shows high potential for quantum computing

Researchers are getting closer to confirming the existence of an exotic quantum particle called Majorana fermion, crucial for fault-tolerant quantum computing - the kind of quantum computing that addresses errors during its operation.

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28.06.2019
23:56 Photonics.comPrototype Could Be Used to Connect Quantum Computers

Physicists from the Institute of Science and Technology Austria (IST Austria) used a mechanical oscillator to produce entangled radiation. According to the research team, this is the first time a mechanical object has been used to create entangled radiation. Beyond its significance for fundamental physics, such a device could someday be used to link sensitive quantum computers with the optical fibers that connect computer networks. Classical computers are typically connected through optical fibers, because optical radiation is robust against disturbances that could corrupt or destroy data. In order to apply this technology to quantum computers, a link that can convert the quantum computer’s microwave photons to optical...

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23:07 Phys.orgNew material shows high potential for quantum computing

A joint team of scientists at the University of California, Riverside, and the Massachusetts Institute of Technology is getting closer to confirming the existence of an exotic quantum particle called Majorana fermion, crucial for fault-tolerant quantum computing—the kind of quantum computing that addresses errors during its operation.

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20:50 LiveScience.comAfter Decades of Hunting, Physicists Claim They've Made Quantum Material from Depths of Jupiter

A team of researchers have posted a paper in which they claim to have achieved a holy grail of materials science: creating metallic hydrogen in a laboratory.

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19:27 Physics.Aps.orgViewpoint: Neural Networks Take on Open Quantum Systems

Author(s): Maria Schuld, Ilya Sinayskiy, and Francesco Petruccione Simulating a quantum system that exchanges energy with the outside world is notoriously hard, but the necessary computations might be easier with the help of neural networks.
[Physics 12, 74] Published Fri Jun 28, 2019

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16:38 Phys.orgOptimal quantum computation linked to gravity

Information and gravity may seem like completely different things, but one thing they have in common is that they can both be described in the framework of geometry. Building on this connection, a new paper suggests that the rules for optimal quantum computation are set by gravity.

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27.06.2019
13:34 AzoNano.comInnovation Award for Quantum X

At the LASER World of Photonics in Munich, we received for our brand-new maskless lithography system Quantum X the Innovation Award for the most innovative product. The award is sponsored by the...

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26.06.2019
22:21 Nanowerk.comPerfect quantum portal emerges at exotic interface

A junction between an ordinary metal and a special kind of superconductor has provided a robust platform to observe Klein tunneling.

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20:41 Optics.orgLASER 2019: quantum sensor set to predict Etna eruptions

Laser-based quantum gravimeter under development at µQUANS scheduled to be field-tested on Europe’s biggest volcano in June 2020.

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20:21 Nature.ComStationary entangled radiation from micromechanical motion

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20:01 Phys.orgBuilding a bridge to the quantum world

Entanglement is one of the main principles of quantum mechanics. Physicists from Professor Johannes Fink's research group at the Institute of Science and Technology Austria (IST Austria) have found a way to use a mechanical oscillator to produce entangled radiation. This method, which the authors published in the current edition of Nature, might prove extremely useful when it comes to connecting quantum computers.

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17:05 Phys.orgQuantum ghost imaging improved by using five-atom correlations

In conventional imaging methods, a beam of photons (or other particles) is reflected off the object to be imaged. After the beam travels to a detector, the information gathered there is used to create a photograph or other type of image. In an alternative imaging technique called "ghost imaging," the process works a little differently: an image is reconstructed from information that is detected from a beam that never actually interacts with the object.

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15:31 Phys.orgResearchers explore architectural design of quantum computers

A recent study led by Princeton University researchers, in collaboration with University of Maryland and IBM, explored the architectural design of quantum computers (QC). In a paper presented at the 2019 ACM/IEEE International Symposium on Computer Architecture, the researchers performed the largest real-system evaluation of quantum computers to date, using seven quantum computers from IBM, Rigetti and the University of Maryland.

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09:32 Nanowerk.comResearch reveals exotic quantum states in double-layer graphene

Findings shed new light on the nature of electron interactions in quantum systems and establishing a potential new platform for future quantum computers.

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09:31 Phys.orgResearch reveals exotic quantum states in double-layer graphene

Researchers from Brown and Columbia Universities have demonstrated previously unknown states of matter that arise in double-layer stacks of graphene, a two-dimensional nanomaterial. These new states, known as the fractional quantum Hall effect, arise from the complex interactions of electrons both within and across graphene layers.

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07:22 ScienceDaily.comResearch reveals exotic quantum states in double-layer graphene

Researchers have demonstrated previously unknown states of matter that arise in double-layer stacks of graphene, a two-dimensional nanomaterial. These new states, known as the fractional quantum Hall effect, arise from the complex interactions of electrons both within and across graphene layers.

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25.06.2019
19:19 Physics.Aps.orgSynopsis: Making Quantum Cryptography Safe and Practical

A theoretical study suggests that “continuous variable” quantum key distribution—an approach to quantum cryptography compatible with telecom networks—could be made absolutely secure against hacking.
[Physics] Published Tue Jun 25, 2019

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17:57 ScienceDaily.comA further step towards reliable quantum computation

A team of physicists introduces a novel technique to detect entanglement even in large-scale quantum systems with unprecedented efficiency. This brings scientists one step closer to the implementation of reliable quantum computation. The new results are of direct relevance for future generations of quantum devices.

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17:09 CosmosMagazine.comThanks to AI, we know we can teleport qubits in the real world

Deep learning shows its worth in the word of quantum computing. Gabriella Bernardi reports.

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15:39 Phys.orgPhysicists develop new method to prove quantum entanglement

One of the essential features required for the realization of a quantum computer is quantum entanglement. A team of physicists from the University of Vienna and the Austrian Academy of Sciences (ÖAW) introduces a novel technique to detect entanglement even in large-scale quantum systems with unprecedented efficiency. This brings scientists one step closer to the implementation of reliable quantum computation. The new results are of direct relevance for future generations of quantum devices and are published in the current issue of the journal Nature Physics.

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11:49 Technology.orgQuantum Artistry

To touch the untouchable. That idea is both the inspiration and the aim of a new work of

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01:33 ScienceDaily.comA new theory for trapping light particles aims to advance development of quantum computers

Researchers have developed a new protocol for ensuring the stability of data when photons are stored for extended periods of time. The theory could advance development of quantum computers.

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24.06.2019
23:29 Phys.orgNew theory for trapping light particles aims to advance development of quantum computers

Quantum computers, which use light particles (photons) instead of electrons to transmit and process data, hold the promise of a new era of research in which the time needed to realize lifesaving drugs and new technologies will be significantly shortened. Photons are promising candidates for quantum computation because they can propagate across long distances without losing information, but when they are stored in matter they become fragile and susceptible to decoherence. Now researchers with the Photonics Initiative at the Advanced Science Research Center (ASRC) at The Graduate Center, CUNY have developed a new protocol for storing and releasing a single photon in an embedded eigenstate—a quantum state that is virtually unaffected by loss and decoherence. The novel protocol, detailed in the current issue of Optica, aims to advance the development of quantum computers.

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12:06 Phys.orgHow quantum technology could revolutionise the detection and treatment of diseases

When you hear the word 'quantum," you may imagine physicists working on a new ground breaking theory. Or perhaps you've read about quantum computers and how they might change the world. But one lesser-known field is also starting to reap the benefits of the quantum realm—medicine.

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22.06.2019
18:46 ScienceDaily.comTeam supersizes 'quantum squeezing' to measure ultrasmall motion

Physicists have harnessed the phenomenon of 'quantum squeezing' to amplify and measure trillionths-of-a-meter motions of a lone trapped magnesium ion (electrically charged atom).

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21.06.2019
15:36 Phys.orgResearchers make steps toward debugging tools for quantum computers

In classical computing, debugging programs is one of the most time-consuming tasks in software development. Successful debugging relies on software development tools and also on the experience of the programmer. In quantum computing, researchers predict debugging will be an even greater challenge. In a paper soon to appear at the ACM/IEEE 46th Annual International Symposium for Computer Architecture (as part of ACM's 2019 Federated Computing Research Conferences), researchers at Princeton University present debugging tools based on statistical tests, with a goal of aiding programmers in building correct quantum programs for near-term quantum computers.

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15:07 ScientificAmerican.ComA New "Law" Suggests Quantum Supremacy Could Happen This Year

Quantum computers are improving at a doubly exponential rate -- Read more on ScientificAmerican.com

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14:12 Phys.orgResearchers demonstrate new path to reliable quantum computation

Researchers at the University of Chicago published a novel technique for improving the reliability of quantum computers by accessing higher energy levels than traditionally considered. Most prior work in quantum computation deals with "qubits," the quantum analogue of binary bits that encode either zero or one. The new work instead leverages "qutrits," quantum analogues of three-level trits capable of representing zero, one or two.

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13:48 LiveScience.comForget Moore's Law — Quantum Computers Are Improving According to a Spooky 'Doubly Exponential Rate'

They're getting really good, really, really fast.

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06:02 ScienceDaily.comPerfect quantum portal emerges at exotic interface

Researchers have captured the most direct evidence to date of Klein tunneling, a quantum quirk that allows particles to tunnel through a barrier like it's not even there. The result may enable engineers to design more uniform components for future quantum computers, quantum sensors and other devices.

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20.06.2019
21:03 Phys.orgResearch team supersizes 'quantum squeezing' to measure ultrasmall motion

Physicists at the National Institute of Standards and Technology (NIST) have harnessed the phenomenon of "quantum squeezing" to amplify and measure trillionths-of-a-meter motions of a lone trapped magnesium ion (electrically charged atom).

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20:18 Yahoo ScienceQuantum Radar: China s Secret Weapon to Blast the F-35 Out of the Sky?

Last year, China Electronics Technology Group Corporation (CETC) announced it had tested such a radar at ranges of roughly 60 miles.  While 60 miles is not particularly huge feat, the fact that such a radar would be able to provide a weapons quality track on a stealth aircraft at those distances is impressive.Could Beijing’s quantum radar technology render stealth aircraft obsolete?While theoretically, if such a radar existed, it would be able to detect and track stealth aircraft with impunity, but it is unclear if China truly mastered such technology. The Chinese defense industry has claimed a breakthrough in mastering quantum radar technology, but Western defense industry officials said that such a system is not likely to exist outside a laboratory. Even then, the quantum radars would be difficult to build and

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18:01 Photonics.comSqueezed Light Reduces Noise, Could Speed Quantum Sensing

Oak Ridge National Laboratory (ORNL) physicists studying quantum sensing, which could affect a range of potential applications from airport security scanning to gravitational wave measurements, said that certain quantum sensors can use a squeezed state of light to reduce statistical noise that occurs in ordinary light. “Quantum-enhanced microscopes are particularly exciting,” research scientist Benjamin Lawrie said. “These quantum sensors can ‘squeeze’ the uncertainty in optical measurements, reducing the uncertainty in one variable while increasing the uncertainty elsewhere.” Certain quantum sensors can use a squeezed state of light to greatly reduce statistical noise that occurs in ordinary...

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14:57 Phys.orgMachine learning unlocks mysteries of quantum physics

Understanding electrons' intricate behavior has led to discoveries that transformed society, such as the revolution in computing made possible by the invention of the transistor.

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