Search results for dirac

General Physics Oct 16, 2025

Triplets born from proton collisions found to be correlated with each other

For the first time, by studying quantum correlations between triplets of secondary particles created during high-energy collisions in the LHC accelerator, it has been possible to observe their coherent production. This achievement ...

Optics & Photonics Sep 24, 2025

100 years before quantum mechanics, one scientist glimpsed a link between light and matter

The Irish mathematician and physicist William Rowan Hamilton, who was born 220 years ago last month, is famous for carving some mathematical graffiti into Dublin's Broome Bridge in 1843.

Optics & Photonics Sep 24, 2025

Spin may resolve century-old puzzle of light's momentum in matter

When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, hides one of the oldest puzzles in physics: what really happens to the momentum of light when it enters ...

Nanophysics Sep 16, 2025

Proximity screening pushes graphene electronic quality to record levels

In a new Nature study, researchers at the University of Manchester have achieved unprecedented electronic quality in graphene by developing a proximity screening technique that places conducting gates just one nanometer away ...

Astronomy Sep 10, 2025

Simulations solve centuries-old cosmic mystery—and discover new class of ancient star systems

For centuries, astronomers have puzzled over the origins of one of the universe's oldest and densest stellar systems, known as globular clusters. Now, a University of Surrey-led study published in Nature has finally solved ...

Optics & Photonics Sep 8, 2025

A new way to control terahertz light for faster electronics

In a breakthrough for next-generation technologies, scientists have learned how to precisely control the behavior of tiny waves of light and electrons, paving the way for faster communications and quantum devices.

Nanophysics Sep 1, 2025

Graphene reveals electrons that behave like frictionless fluid and break textbook rules

For several decades, a central puzzle in quantum physics has remained unsolved: Could electrons behave like a perfect, frictionless fluid with electrical properties described by a universal quantum number?

Astrobiology Sep 1, 2025

What technosignatures would interstellar objects have?

The recent discovery of the third known interstellar object (ISO), 3I/ATLAS, has brought about another round of debate on whether these objects could potentially be technological in origin. Everything from random YouTube ...

Condensed Matter Aug 28, 2025

Physicists observe an elusive form of the Hall effect for the first time

A giant anomalous Hall effect (AHE) has been observed in a nonmagnetic material for the first time, as reported by researchers from Japan. This surprising result was achieved using high-quality Cd3As2 thin films, a Dirac ...

Condensed Matter Aug 27, 2025

Physicists create thin films that unite topological insulators and ferroelectric behavior

RIKEN physicists have created the first thin films featuring a special combination of electrical and topological properties. This demonstration could help to realize new forms of electronics that are highly energy efficient.

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