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Quantum Physics Jan 23, 2026

Particle permutation task can be tackled by quantum but not classical computers, study finds

Quantum computers, systems that process information leveraging quantum mechanical effects, are expected to outperform classical computers on some complex tasks. Over the past few decades, many physicists and quantum engineers ...

Condensed Matter Jan 22, 2026

Magnetic 'sweet spots' enable optimal operation of hole spin qubits

Quantum computers, systems that process information leveraging quantum mechanical effects, could reliably tackle various computational problems that cannot be solved by classical computers. These systems process information ...

Optics & Photonics Jan 21, 2026

Innovative optical atomic clock could combine single-ion accuracy with multi-ion stability

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could change the definition of ...

Condensed Matter Jan 21, 2026

New insight into light-matter thermalization could advance neutral-atom quantum computing

Light and matter can remain at separate temperatures even while interacting with each other for long periods, according to new research that could help scale up an emerging quantum computing approach in which photons and ...

Nanophysics Jan 21, 2026

Two-dimensional materials expand options for next-generation terahertz quantum devices

Scientists from the National University of Singapore (NUS) have discovered that atomic-scale substitutional dopants in ultra-thin two-dimensional (2D) materials can act as stable quantum systems operating at terahertz (THz) ...

Quantum Physics Jan 21, 2026

New cryogenic vacuum chamber cuts noise for quantum ion trapping

Even very slight environmental noise, such as microscopic vibrations or magnetic field fluctuations a hundred times smaller than Earth's magnetic field, can be catastrophic for quantum computing experiments with trapped ions.

Quantum Physics Jan 19, 2026

Building the world's first open-source quantum computer

Researchers from the University of Waterloo's Faculty of Science and the Institute for Quantum Computing (IQC) are prioritizing collaboration over competition to advance quantum computer development and the field of quantum ...

Quantum Physics Jan 17, 2026

Detecting single-electron qubits: Microwaves could probe quantum states above liquid helium

One intriguing method that could be used to form the qubits needed for quantum computers involves electrons hovering above liquid helium. But it wasn't clear how data in this form could be read easily.

Condensed Matter Jan 15, 2026

Turning crystal flaws into quantum highways: A new route towards scalable solid-state qubits

Building large-scale quantum technologies requires reliable ways to connect individual quantum bits (qubits) without destroying their fragile quantum states. In a new theoretical study, published in npj Computational Materials, ...

Optics & Photonics Jan 14, 2026

Neutral-atom arrays, a rapidly emerging quantum computing platform, get a boost from researchers

For quantum computers to outperform their classical counterparts, they need more quantum bits, or qubits. State-of-the-art quantum computers have around 1,000 qubits. Columbia physicists Sebastian Will and Nanfang Yu have ...

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