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Quantum Physics Sep 2, 2022

New method to systematically find optimal quantum operation sequences for quantum computers

Japan's National Institute of Information and Communications Technology, Keio University, Tokyo University of Science and The University of Tokyo succeeded for the first time in developing a method for systematically finding ...

Quantum Physics Sep 1, 2022

Why 'erasure' could be key to practical quantum computing

Researchers have discovered a new method for correcting errors in the calculations of quantum computers, potentially clearing a major obstacle to a powerful new realm of computing.

Quantum Physics Aug 31, 2022

Cross-institutional collaboration leads to new control over quantum dot qubits

Qubits are the building blocks of quantum computers, which have the potential to revolutionize many fields of research by solving problems that classical computers can't.

Quantum Physics Aug 26, 2022

Master equation to boost quantum technologies

As the size of modern technology shrinks down to the nanoscale, weird quantum effects—such as quantum tunneling, superposition, and entanglement—become prominent. This opens the door to a new era of quantum technologies, ...

Quantum Physics Aug 24, 2022

New stable quantum batteries can reliably store energy into electromagnetic fields

Quantum computers offer the potential to solve computational problems that are beyond the reach of classical computers. As an example, the Canadian company Xanadu recently claimed that its quantum computer has been able ...

Quantum Physics Aug 24, 2022

Researchers demonstrate error correction in a silicon qubit system

Researchers from RIKEN in Japan have achieved a major step toward large-scale quantum computing by demonstrating error correction in a three-qubit silicon-based quantum computing system. This work, published in Nature, could ...

Superconductivity Aug 18, 2022

High-quality superconducting qubits fabricated with CMOS-compatible technologies

Quantum computers promise to dramatically affect selected application fields, including materials synthesis, pharmaceutical drug development, and cybersecurity—to name a few.

Quantum Physics Aug 17, 2022

Researchers realize two coherently convertible qubit types using a single ion species

Trapped ion computers are quantum computers in which the qubits (quantum units of information) are ions trapped by electric fields and manipulated with lasers. To avoid crosstalk between nearby qubits, physicists and engineers ...

Quantum Physics Aug 15, 2022

2D array of electron and nuclear spin qubits opens new frontier in quantum science

By using photons and electron spin qubits to control nuclear spins in a two-dimensional material, researchers at Purdue University have opened a new frontier in quantum science and technology, enabling applications like atomic-scale ...

Optics & Photonics Aug 8, 2022

Researchers develop the world's fastest two-qubit gate between two single atoms

A research group led by graduate student Yeelai Chew, Assistant Professor Sylvain de Léséleuc and Professor Kenji Ohmori at the Institute for Molecular Science, National Institutes of Natural Sciences, is using atoms cooled ...

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