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Superconductivity Mar 11, 2024

Quantum-mechanical 'molecules' spotted in superconducting devices

Electronic states that resemble molecules and are promising for use in future quantum computers have been created in superconducting circuits by physicists at RIKEN.

Superconductivity Mar 4, 2024

Tests show high-temperature superconducting magnets are ready for fusion

In the predawn hours of Sept. 5, 2021, engineers achieved a major milestone in the labs of MIT's Plasma Science and Fusion Center (PSFC), when a new type of magnet, made from high-temperature superconducting material, achieved ...

General Physics Feb 29, 2024

Conduction-cooled accelerating cavity proves feasible for commercial applications

From televisions to X-ray machines, many modern technologies are enabled by electrons that have been juiced up by a particle accelerator. Now, the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility ...

Condensed Matter Feb 26, 2024

Resurrecting niobium for quantum science

For years, niobium was considered an underperformer when it came to superconducting qubits. Now, scientists supported by Q-NEXT have found a way to engineer a high-performing niobium-based qubit and take advantage of niobium's ...

Optics & Photonics Feb 26, 2024

Measuring the properties of light: Scientists realize new method for determining quantum states

Scientists at Paderborn University have used a new method to determine the characteristics of optical quantum states. For the first time, they are using certain photon detectors—devices that can detect individual light ...

Quantum Physics Feb 23, 2024

Scientists closer to finding quantum gravity theory after measuring gravity on microscopic level

Scientists are a step closer to unraveling the mysterious forces of the universe after working out how to measure gravity on a microscopic level.

Quantum Physics Feb 15, 2024

New thermometry method reveals that compressing a gas may lead to cooling

An international research team from Innsbruck and Geneva has developed a new thermometry method to measure temperatures for low-dimensional quantum gases. With this method it was found that compressing a gas may lead to cooling. ...

Superconductivity Feb 14, 2024

Fundamental equation for superconducting quantum bits revised

Physicists from Forschungszentrum Jülich and the Karlsruhe Institute of Technology have uncovered that Josephson tunnel junctions—the fundamental building blocks of superconducting quantum computers—are more complex ...

Superconductivity Feb 12, 2024

Flowermon: A superconducting qubit based on twisted cuprate van der Waals heterostructures

Quantum technology could outperform conventional computers on some advanced optimization and computational tasks. In recent years, physicists have been working to identify new strategies to create quantum systems and promising ...

Optics & Photonics Feb 10, 2024

Researchers demonstrate multi-photon state transfer between remote superconducting nodes

Over the past few decades, quantum physicists and engineers have been trying to develop new, reliable quantum communication systems. These systems could ultimately serve as a testbed to evaluate and advance communication ...

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