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Quantum Computers News
December 8, 2019

Top Headlines
 

Researchers have devised a novel circuit design that enables precise control of computing with magnetic waves -- with no electricity needed. The advance takes a step toward ... read more
Billions of tiny interactions occur between thousands of particles in every piece of matter in the blink of an eye. Simulating these interactions in their full dynamics was ... read more
Researchers have made good on their claim to quantum supremacy. Using 53 entangled quantum bits ('qubits'), their Sycamore computer has taken on -- and solved -- a problem ... read more

'Poor Man's Qubit' Can Solve Quantum Problems Without Going Quantum

Researchers have built and demonstrated the first hardware for a probabilistic computer, a possible way to bridge the gap between classical and quantum ... read more
Latest Headlines
updated 4:51am EST

Earlier Headlines
 

Physicists Irreversibly Split Photons by Freezing Them in Bose-Einstein Condensate

Light can be directed in different directions, usually also back the same way. Physicists have however succeeded in creating a new one-way street for light. They cool photons down to a Bose-Einstein ... read more

A Distinct Spin on Atomic Transport

Physicists demonstrate simultaneous control over transport and spin properties of cold atoms, and thus establish a framework for exploring concepts in spintronics and solid-state ... read more

In Classical and Quantum Secure Communication Practical Randomness Is Incomplete

Random bit sequences are key ingredients of various tasks in modern life and especially in secure communication. In a new study researchers have determined that generating true random bit sequences, ... read more

Evading Heisenberg Isn't Easy

Researchers unravel novel dynamics in the interaction between light and mechanical motion with significant implications for quantum measurements designed to evade the influence of the detector in the ... read more

Quantum Chip 1,000 Times Smaller Than Current Setups

Researchers have developed a quantum communication chip that is 1,000 times smaller than current quantum setups, but offers the same superior security quantum technology is known ... read more

Structured Light Promises Path to Faster, More Secure Communications

Quantum mechanics has come a long way during the past 100 years but still has a long way to go. Researchers now review the progress being made in using structured light in quantum protocols to create ... read more

Giving Valleytronics a Boost

Physicists have revealed a new quantum process in valleytronics that can speed up the development of this fairly new ... read more

Small Magnets: Wide-Ranging Impact on Information Technology

Physicists have identified a microscopic process of electron spin dynamics in nanoparticles that could impact the design of applications in medicine, quantum computation, and ... read more

Extracting Hidden Quantum Information from a Light Source

Researchers report on a technique to extract the quantum information hidden in an image that carries both classical and quantum information. This technique opens a new pathway for quantum enhance ... read more

A Tiny Cavity Leads to a Strong Interaction Between Light and Matter

Researchers have succeeded in creating an efficient quantum-mechanical light-matter interface using a microscopic cavity. Within this cavity, a single photon is emitted and absorbed up to 10 times by ... read more

Blanket of Light May Give Better Quantum Computers

Researchers describe how -- by simple means -- they have created a 'carpet' of thousands of quantum-mechanically entangled light pulses. The discovery has the potential to pave the way for ... read more

Weaving Quantum Processors out of Laser Light

Researchers open a new avenue to quantum computing with a breakthrough experiment: a large-scale quantum processor made entirely of ... read more

Diversity May Be Key to Reducing Errors in Quantum Computing

In quantum computing, as in team building, a little diversity can help get the job done better, computer scientists have ... read more

Quantum Paradox Experiment May Lead to More Accurate Clocks and Sensors

More accurate clocks and sensors may result from a recently proposed experiment, linking an Einstein-devised paradox to quantum mechanics. A physicist said the international collaboration aimed to ... read more

Controlling Superconducting Regions Within an Exotic Metal

Researchers have created a metallic microdevice in which they can define and tune patterns of superconductivity. Their discovery holds great promise for quantum technologies of the ... read more

New Material Could Someday Power Quantum Computer

Quantum computers with the ability to perform complex calculations, encrypt data more securely and more quickly predict the spread of viruses, may be within closer reach thanks to a new ... read more

Physicists Couple Key Components of Quantum Technologies

Researchers are engaged in intensive work on the components of quantum technologies - these include circuits processing information using single photons instead of electricity, as well as light ... read more

Scientists Observe a Single Quantum Vibration Under Ordinary Conditions

Scientists have for the first time created and observed a single phonon in a common material at room ... read more

Cooling Nanotube Resonators With Electrons

Researchers report on a technique that uses electron transport to cool a nanomechanical resonator near the quantum ... read more

Next-Generation Single-Photon Source for Quantum Information Science

Researchers have built what they believe is 'the world's most efficient single-photon source.' And they are still improving it. With planned upgrades, the apparatus could generate ... read more

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