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Search results for fermionic model

Condensed Matter Jan 8, 2025

Mathematical methods point to possibility of particles long thought impossible

From the early days of quantum mechanics, scientists have thought that all particles can be categorized into one of two groups—bosons or fermions—based on their behavior.

Condensed Matter Jan 8, 2025

Âé¶¹ÒùÔºicists achieve simulation of non-Hermitian skin effect in 2D with ultracold fermions

A research team led by The Hong Kong University of Science and Technology (HKUST) has achieved a groundbreaking quantum simulation of the non-Hermitian skin effect in two dimensions using ultracold fermions, marking a significant ...

Quantum Âé¶¹ÒùÔºics Dec 30, 2024

Researchers achieve calculation of Jones polynomial based on the Majorana zero modes

A research team has experimentally calculated the Jones polynomial based on the quantum simulation of braided Majorana zero modes. The research team determined the Jones polynomials of different links through simulating the ...

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 ...

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