Search results for dirac

Planetary Sciences Aug 21, 2025

A fresh twist to the mystery of Jupiter's core: Simulations challenge giant-impact origin

A new Durham University study has found that a giant impact may not be responsible for the formation of Jupiter's remarkable "dilute" core, challenging a theory about the planet's history.

Condensed Matter Aug 21, 2025

Hidden symmetries unlock new ways to control light in quantum materials

A team of researchers has discovered how a little-known type of symmetry in quantum materials, called nonsymmorphic symmetry, governs the way these materials interact with intense laser light.

Quantum Physics Jul 9, 2025

Calculating the electron's magnetic moment: State-dependent values emerge from Dirac equation

Quantum mechanics has a reputation that precedes it. Virtually everyone who has bumped up against the quantum realm, whether in a physics class, in the lab, or in popular science writing, is left thinking something like, ...

Condensed Matter Jul 2, 2025

Strong magnetic fields flip angular momentum dynamics in magnetovortical matter

Angular momentum is a fundamental quantity in physics that describes the rotational motion of objects. In quantum physics, it encompasses both the intrinsic spin of particles and their orbital motion around a point. These ...

Optics & Photonics Jun 24, 2025

More pathways than previously thought can lead to optical topological insulators

The candidate pool for engineered materials that can help enable tomorrow's cutting-edge optical technologies—such as lasers, detectors and imaging devices—is much deeper than previously believed.

Nanophysics Jun 24, 2025

Metal-organic frameworks with metallic conductivity pave new paths for electronics and energy storage

Metal-organic frameworks (MOFs) are characterized by high porosity and structural versatility. They have enormous potential, for example, for applications in electronics. However, their low electrical conductivity has so ...

Condensed Matter Jun 18, 2025

Scientists harness vacuum fluctuations to engineer quantum materials

Vacuum is often thought of as empty, but in fact it is teeming with fleeting energy fluctuations—virtual photons popping in and out of existence that can interact with matter, giving rise to new, potentially useful properties.

Astronomy Jun 4, 2025

Rubin Observatory to detect millions of new solar system objects in vivid detail, simulations suggest

A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's University Belfast, have revealed new research showing that millions of new solar system objects will be ...

General Physics May 29, 2025

Listening to electrons 'talk': Lithium-like tin's g-factor measured with 0.5 parts per billion experimental accuracy

Researchers from the Max-Planck-Institut fuer Kernphysik present new experimental and theoretical results for the bound electron g-factor in lithium-like tin, which has a much higher nuclear charge than any previous measurement. ...

Quantum Physics Apr 27, 2025

The first experimental observation of Dirac exceptional points

Exceptional points (EPs) are unique types of energy-level degeneracies that occur in non-Hermitian systems. Since their existence was first proposed more than a century ago, physicists have only been able to experimentally ...

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