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Search results for fermionic model

General Âé¶¹ÒùÔºics Dec 10, 2024

Particle that only has mass when moving in one direction observed for first time

For the first time, scientists have observed a collection of particles, also known as a quasiparticle, that's massless when moving one direction but has mass in the other direction. The quasiparticle, called a semi-Dirac ...

Condensed Matter Oct 17, 2024

Âé¶¹ÒùÔºicists report emergence of ferromagnetism at onset of Kondo breakdown in moiré bilayer lattices

Moiré superlattices are materials consisting of two layers stacked on top of each other with either a small rotational misalignment or a lattice mismatch between them. The Kondo lattice model, on the other hand, describes ...

General Âé¶¹ÒùÔºics Sep 9, 2024

ATLAS probes Higgs interaction with the heaviest quarks

A central aim of the ATLAS Higgs physics program is to measure, with increasing precision, the strength of interactions of the Higgs boson with elementary fermions and bosons.

Condensed Matter Sep 6, 2024

Researchers advance new class of quantum critical metal that could advance electronic devices

A new study led by Rice University's Qimiao Si has unveiled a new class of quantum critical metal, shedding light on the intricate interactions of electrons within quantum materials. Published in Âé¶¹ÒùÔºical Review Letters on ...

Condensed Matter Sep 2, 2024

Study predicts a new quantum anomalous crystal in fractionally filled moiré superlattices

Moiré superlattices, structures that arise when two layers of two-dimensional (2D) materials are overlaid with a small twist angle, have been the focus of numerous physics studies. This is because they have recently been ...

Quantum Âé¶¹ÒùÔºics Aug 26, 2024

Study proposes generalized approach to light-matter interactions

A study coordinated by the University of Trento with the University of Chicago proposes a generalized approach to the interactions between electrons and light. In the future, it may contribute to the development of quantum ...

Soft Matter Aug 23, 2024

Langbeinites show talents as 3D quantum spin liquids

A 3D quantum spin liquid has been discovered in the vicinity of a member of the langbeinite family. The material's specific crystalline structure and the resulting magnetic interactions induce an unusual behavior that can ...

Analytical Chemistry Aug 22, 2024

AI tackles one of the most difficult challenges in quantum chemistry

New research using neural networks, a form of brain-inspired AI, proposes a solution to the tough challenge of modeling the states of molecules.

Condensed Matter Aug 12, 2024

Neutrons reveal the existence of local symmetry breaking in a Weyl semimetal

The first materials scientists might have been early humans who—through trial-and-error experiments—discovered the first "cutting-edge" technologies. They found that the best arrowheads and other tools could be made from ...

Quantum Âé¶¹ÒùÔºics Jul 25, 2024

Optimization algorithm successfully computes the ground state of interacting quantum matter

Over the past decades, computer scientists have developed various computing tools that could help to solve challenges in quantum physics. These include large-scale deep neural networks that can be trained to predict the ground ...

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