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Quantum Computers News
October 7, 2020

Top Headlines
 

New Detector Breakthrough Pushes Boundaries of Quantum Computing

A new article shows potential for graphene bolometers to become a game-changer for quantum ...

Spin Clean-Up Method Brings Practical Quantum Computers Closer to Reality

Researchers create a quantum algorithm that removes spin contaminants while making chemical calculations on quantum computers. This allows for predictions of electronic and molecular behavior with ...

New Possibilities for Working With Quantum Information

The spin of particles can be manipulated by a magnetic field. This principle is the basic idea behind magnetic resonance imaging as used in hospitals. A surprising effect has now been discovered in ...

A Question of Reality

Physicists have published a review that explores Bell's inequalities and his concepts of reality and explains their relevance to quantum information and its ...
Latest Headlines
updated 2:34pm EDT

Earlier Headlines
 

Evidence of Power: Phasing Quantum Annealers Into Experiments from Nonequilibrium Physics

Scientists have used commercially available quantum annealers, a type of quantum computer, to experimentally probe the validity of an important mechanism from nonequilibrium physics in open quantum ...

Quirky Response to Magnetism Presents Quantum Physics Mystery

Scientists describe the quirky behavior of one such magnetic topological insulator. The new article includes experimental evidence that intrinsic magnetism in the bulk of manganese bismuth telluride ...

New Method Prevents Quantum Computers from Crashing

Quantum information is fragile, which is why quantum computers must be able to correct errors. But what if whole qubits are lost? Researchers are now presenting a method that allows quantum computers ...

Quantum Light Squeezes the Noise out of Microscopy Signals

Researchers used quantum optics to advance state-of-the-art microscopy and illuminate a path to detecting material properties with greater sensitivity than is possible with traditional ...

Extracting Order from a Quantum Measurement Finally Shown Experimentally

In physics, it is essential to be able to show a theoretical assumption in actual, physical experiments. For more than a hundred years, physicists have been aware of the link between the concepts of ...

New Technology Lets Quantum Bits Hold Information for 10,000 Times Longer Than Previous Record

Quantum bits, or qubits, can hold quantum information much longer now thanks to efforts by an international research team. The researchers have increased the retention time, or coherence time, to 10 ...

Nanoearthquakes Control Spin Centers in SiC

Researchers have demonstrated the use of elastic vibrations to manipulate the spin states of optically active color centers in SiC at room temperature. They show a non-trivial dependence of the ...

Quantum Leap for Speed Limit Bounds

Nature's speed limits aren't posted on road signs, but physicists have discovered a new way to deduce them that is better -- infinitely better, in some cases -- than prior ...

Revolutionary Quantum Breakthrough Paves Way for Safer Online Communication

The world is one step closer to having a totally secure internet and an answer to the growing threat of cyber-attacks, thanks to a team of international scientists who have created a unique prototype ...

A Molecular Approach to Quantum Computing

Molecules in quantum superposition could help in the development of quantum ...

New Evidence for Quantum Fluctuations Near a Quantum Critical Point in a Superconductor

A study has found evidence for quantum fluctuations near a quantum critical point in a superconductor. Theory suggests that these quantum critical points may be analogous to black holes as places ...

New Theory Hints at More Efficient Way to Develop Quantum Algorithms

A new theory could bring a way to make quantum algorithm development less of an accidental process, say ...

Scientists Take New Spin on Quantum Research

Researchers discovered a way to further enhance quantum systems to provide soldiers with more reliable and secure capabilities on the ...

Infinitesimally low levels of radiation, such as from incoming cosmic rays, may soon stymie progress in quantum ...

Predicting Computational Power of Early Quantum Computers

Quantum physicists have developed an algorithm which helps early quantum computers to perform calculations most ...

Mathematical Tool Helps Calculate Properties of Quantum Materials More Quickly

Many quantum materials have been nearly impossible to simulate mathematically because the computing time required is too long. Now engineers have demonstrated a way to considerably reduce the ...

Computer Scientists Set Benchmarks to Optimize Quantum Computer Performance

Computer scientists have shown that existing compilers, which tell quantum computers how to use their circuits to execute quantum programs, inhibit the computers' ability to achieve optimal ...

Simple Mod Makes Quantum States Last 10,000 Times Longer

A team of scientists has announced the discovery of a simple modification that allows quantum systems to stay operational -- or 'coherent' -- 10,000 times longer than ...

Physicists have developed an error-correcting cat -- a new device that combines the Schrödinger's cat concept of superposition (a physical system existing in two states at once) with the ...

Quantum Materials Quest Could Benefit from Graphene That Buckles

Graphene buckles when cooled while attached to a flat surface, resulting in pucker patterns that could benefit the search for novel quantum materials and superconductors, according to new ...

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