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Quantum matter stuck in unrest

Using ultracold atoms trapped in light crystals, scientists from the MPQ, LMU, and the Weizmann Institute observe a novel state of matter that never thermalizes.

dateJul 31, 2015 in Quantum Physics
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Controlling interactions between distant qubits

A big part of the burgeoning science of quantum computation is reliably storing and processing information in the form of quantum bits, or qubits. One of the obstacles to this goal is the difficulty of preserving the fragile ...

dateJul 23, 2015 in Quantum Physics
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Good quantum states and bad quantum states

It is impossible to obtain all information about a large quantum system consisting of hundreds or thousands of particles. A new technique allows to describe such systems in terms of 'continuous matrix product states.' With ...

dateJul 06, 2015 in Quantum Physics
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Soundproofing with quantum physics

Sebastian Huber and his colleagues show that the road from abstract theory to practical applications needn't always be very long. Their mechanical implementation of a quantum mechanical phenomenon could soon be used for soundproofing ...

dateJul 02, 2015 in Quantum Physics
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Producing spin-entangled electrons

A team from the RIKEN Center for Emergent Matter Science, along with collaborators from several Japanese institutions, have successfully produced pairs of spin-entangled electrons and demonstrated, for the first time, that ...

dateJul 01, 2015 in Quantum Physics
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Einstein saves the quantum cat

Einstein's theory of time and space will celebrate its 100th anniversary this year. Even today it captures the imagination of scientists. In an international collaboration, researchers from the universities of Vienna, Harvard ...

dateJun 16, 2015 in Quantum Physics
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The most accurate quantum thermometer

Scientists have defined the smallest, most accurate thermometer allowed by the laws of physics—one that could detect the smallest fluctuations in microscopic regions, such as the variations within a biological cell.

dateJun 05, 2015 in Quantum Physics
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Quantum computer emulated by a classical system

(Phys.org)—Quantum computers are inherently different from their classical counterparts because they involve quantum phenomena, such as superposition and entanglement, which do not exist in classical digital computers. ...

Experiment confirms quantum theory weirdness

The bizarre nature of reality as laid out by quantum theory has survived another test, with scientists performing a famous experiment and proving that reality does not exist until it is measured.

Quantum shortcut could speed up many quantum technologies

(Phys.org)—Quantum technologies come in a wide variety of forms, from computers, sensors, and cryptographic systems to simulations and imaging systems. But one thing that all current and future quantum systems have in common ...

Quantum Criticality in life's proteins (Update)

(Phys.org)—Stuart Kauffman, from the University of Calgary, and several of his colleagues have recently published a paper on the Arxiv server titled 'Quantum Criticality at the Origins of Life'. The idea of a quantum criticality, ...

Quantum scientists break aluminium 'monopoly' (Update)

A Majorana fermion, or a Majorana particle, is a fermion that is its own antiparticle. Discovering the Majorana was the first step, but utilizing it as a quantum bit (qubit) still remains a major challenge. An important step ...

How spacetime is built by quantum entanglement

A collaboration of physicists and a mathematician has made a significant step toward unifying general relativity and quantum mechanics by explaining how spacetime emerges from quantum entanglement in a more fundamental theory. ...

Physicists solve quantum tunneling mystery

An international team of scientists studying ultrafast physics have solved a mystery of quantum mechanics, and found that quantum tunneling is an instantaneous process.

Squeezed quantum cats
Quantum teleportation on a chip
Physicists discover quantum-mechanical monopoles
3,000 atoms entangled with a single photon
Quantum correlation can imply causation (Update)
New largest number factored on a quantum device is 56,153
Efimov state in the helium trimer observed
Game theory elucidates the collective behavior of bosons

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