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Quantum Physics Aug 3, 2021

New viable means of storing information for quantum technologies?

Quantum information could be behind the next technological revolution. By analogy with the bit in classical computing, the qubit is the basic element of quantum computing. However, demonstrating the existence of this information ...

Quantum Physics Jul 26, 2021

Combining two approaches to advance quantum computing

Quantum computers hold the potential to out-perform all conventional computing systems. Two promising physical implementations for the storage and manipulation of quantum information are the electromagnetic modes of superconducting ...

General Physics Jul 16, 2021

Emergent magnetic monopoles isolated using quantum-annealing computer

Using a D-Wave quantum-annealing computer as a testbed, scientists at Los Alamos National Laboratory have shown that it is possible to isolate so-called emergent magnetic monopoles, a class of quasiparticles, creating a new ...

Quantum Physics Jul 15, 2021

Adding logical qubits to Sycamore quantum computer reduces error rate

The Google Quantum AI team has found that adding logical qubits to the company's quantum computer reduced the logical qubit error rate exponentially. In their paper published in the journal Nature, the group describes their ...

Quantum Physics Jul 12, 2021

Chinese achieve new milestone with 56 qubit computer

A team of researchers affiliated with multiple institutions in China, working at the University of Science and Technology of China, has achieved another milestone in the development of a usable quantum computer. The group ...

Optics & Photonics Jul 8, 2021

Team develops quantum simulator with 256 qubits, largest of its kind ever created

A team of physicists from the Harvard-MIT Center for Ultracold Atoms and other universities has developed a special type of quantum computer known as a programmable quantum simulator capable of operating with 256 quantum ...

Quantum Physics Jul 5, 2021

Software evaluates qubits, characterizes noise in quantum annealers

High-performance computer users in the market for a quantum annealing machine or looking for ways to get the most out of one they already have will benefit from a new, open-source software tool for evaluating these emerging ...

Quantum Physics Jul 1, 2021

Scientists advance the understanding of potential topological quantum bits

Quantum computers promise great advances in many fields—from cryptography to the simulation of protein folding. Yet, which physical system works best to build the underlying quantum bits is still an open question. Unlike ...

Quantum Physics Jun 29, 2021

A new type of quasiparticle

Russian scientists have experimentally proved the existence of a new type of quasiparticle—previously unknown excitations of coupled pairs of photons in qubit chains. This discovery could be a step towards disorder-robust ...

Optics & Photonics Jun 17, 2021

New invention keeps qubits of light stable at room temperature

Researchers from University of Copenhagen have developed a new technique that keeps quantum bits of light stable at room temperature instead of only working at -270 degrees. Their discovery saves power and money and is a ...

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