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Superconductivity Mar 11, 2025

Topological insulator nanowires reveal superconducting effect, bringing topological quantum computing closer to reality

鶹Ժicists at the University of Cologne have taken an important step forward in the pursuit of topological quantum computing by demonstrating the first-ever observation of Crossed Andreev Reflection (CAR) in topological insulator ...

Nanophysics Mar 4, 2025

Single-qubit sensing puts new spin on quantum materials discovery

Working at nanoscale dimensions, a team of scientists led by the Department of Energy's Oak Ridge National Laboratory revealed a new way to measure high-speed fluctuations in magnetic materials. Knowledge obtained by these ...

Quantum 鶹Ժics Mar 3, 2025

Superconducting quantum processor prototype operates 10¹⁵ times faster than fastest supercomputer

Zuchongzhi-3, a superconducting quantum computing prototype with 105 qubits and 182 couplers, has made significant advancements in random quantum circuit sampling. This prototype was successfully developed by a research team ...

Optics & Photonics Mar 3, 2025

A quantum computing startup says it is already making millions of light-powered chips

American quantum computing startup PsiQuantum announced yesterday that it has cracked a significant puzzle on the road to making the technology useful: manufacturing quantum chips in useful quantities.

Quantum 鶹Ժics Feb 28, 2025

Inspired by Maxwell's demon, heat flow acts as a witness to quantum properties

In a new study published in 鶹Ժical Review Letters, scientists have discovered a novel approach to detecting the quantum properties of a system by simply using heat as a witness, requiring no direct measurement of the quantum ...

Quantum 鶹Ժics Feb 28, 2025

A new approach to reduce decoherence in superconducting qudit-based quantum processors

Quantum computers, which operate leveraging quantum mechanics effects, could soon outperform traditional computers in some advanced optimization and simulation tasks. Most quantum computing systems developed so far store ...

Quantum 鶹Ժics Feb 26, 2025

How Schrödinger's cat could help improve quantum computers

Quantum computers could be made with fewer overall components, thanks to technology inspired by Schrödinger's cat. A team of researchers from Amazon Web Services has used "bosonic cat qubits," to improve the ability of quantum ...

Quantum 鶹Ժics Feb 26, 2025

Engineers achieve multiplexing entanglement in quantum network

Laying the groundwork for quantum communication systems of the future, engineers at Caltech have demonstrated the successful operation of a quantum network of two nodes, each containing multiple quantum bits, or qubits—the ...

Nanophysics Feb 25, 2025

Mesoporous silicon: Etching technique reveals unique electronic transport properties

Silicon is the best-known semiconductor material. However, controlled nanostructuring drastically alters the material's properties. Using a specially developed etching apparatus, a team at HZB has now produced mesoporous ...

Quantum 鶹Ժics Feb 20, 2025

Topological quantum processor uses Majorana zero modes for fault-tolerant computing

In a leap forward for quantum computing, a Microsoft team led by UC Santa Barbara physicists on Wednesday unveiled an eight-qubit topological quantum processor, the first of its kind. The chip, built as a proof-of-concept ...

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