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Quantum Physics Apr 22, 2024

Steering toward quantum simulation at scale

Researchers simulated a key quantum state at one of the largest scales reported, with support from the Quantum Computing User Program, or QCUP, at the Department of Energy's Oak Ridge National Laboratory.

General Physics Apr 22, 2024

Superradiant atoms could push the boundaries of how precisely time can be measured

Superradiant atoms can help us measure time more precisely than ever. In a recent study, researchers from the University of Copenhagen present a new method for measuring the time interval, the second, mitigating some of the ...

Quantum Physics Apr 22, 2024

Bounding the amount of entanglement from witness operators

A team of researchers has proposed an approach to quantify entanglement using the standard entanglement witness procedure under three common experimental scenarios. Their work is published in Physical Review Letters.

Quantum Physics Apr 22, 2024

Springing simulations forward with quantum computing

Though "coupled oscillations" may not sound familiar, they are everywhere in nature. The term "coupled harmonic oscillators" describes interacting systems of masses and springs, but their utility in science and engineering ...

Plasma Physics Apr 19, 2024

Fusion-energy quest makes big advance with EU-Japan reactor

The inauguration of the world's most powerful fusion machine brings the dream of clean, safe and abundant power closer.

Optics & Photonics Apr 19, 2024

Compact quantum light processing: New findings lead to advances in optical quantum computing

An international collaboration of researchers, led by Philip Walther at University of Vienna, have achieved a significant breakthrough in quantum technology, with the successful demonstration of quantum interference among ...

Quantum Physics Apr 18, 2024

Research reveals a surprising topological reversal in quantum systems

In principle, one shouldn't compare apples to oranges. However, in topology, which is a branch of mathematics, one must do just that. Apples and oranges, it turns out, are said to be topologically the same since they both ...

Analytical Chemistry Apr 17, 2024

Cold Coulomb crystals, cosmic clues: Unraveling the mysteries of space chemistry

While it may not look like it, the interstellar space between stars is far from empty. Atoms, ions, molecules, and more reside in this ethereal environment known as the Interstellar Medium (ISM). The ISM has fascinated scientists ...

Condensed Matter Apr 17, 2024

Beyond equilibrium: Scientists investigate Floquet Fermi liquids

Researchers from Germany and Singapore have studied a non-equilibrium state of Fermi liquids called the Floquet Fermi liquid (FFL), which is formed when Fermi liquids are subjected to a periodic driving force and kept in ...

Nanophysics Apr 16, 2024

Novel method developed for phosphorescent multi-color carbon dots

A research team has devised a novel method to prepare carbonized polymer nanodots capable of emitting multi-color ultra-long room-temperature phosphorescence (RTP) from blue to green.

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