Search results for dirac

Nanophysics May 11, 2023

With new experimental method, researchers probe spin structure in 2D materials for first time

For two decades, physicists have tried to directly manipulate the spin of electrons in 2D materials like graphene. Doing so could spark key advances in the burgeoning world of 2D electronics, a field where super-fast, small ...

Condensed Matter Apr 12, 2023

Giant magnetoresistance of Dirac plasma in high-mobility graphene

In a paper published in Nature this week (April 13, 2023), researchers from The University of Manchester report record-high magnetoresistance that appears in graphene under ambient conditions.

General Physics Apr 10, 2023

Stripes within crystals hint at behavior of electrons in quantum systems

Hidden stripes in a crystal could help scientists understand the mysterious behavior of electrons in certain quantum systems, including high-temperature superconductors, an unexpected discovery by RIKEN physicists suggests.

General Physics Apr 6, 2023

Random matrix theory approaches the mystery of the neutrino mass

When any matter is divided into smaller and smaller pieces, eventually all you are left with—when it cannot be divided any further—is a particle. Currently, there are 12 different known elementary particles, which in ...

Astronomy Mar 28, 2023

Light-bending gravity reveals one of the biggest black holes ever found

A team of astronomers has discovered one of the biggest black holes ever found, taking advantage of a phenomenon called gravitational lensing.

Condensed Matter Mar 14, 2023

Realization of photonic p-orbital higher-order topological insulators

In condensed matter systems, an essential characteristic of electrons besides charge and spin is the orbital degree of freedom (ODoF). It plays a crucial role in understanding unconventional properties in solid-state materials ...

Condensed Matter Mar 3, 2023

Destroying the superconductivity in a kagome metal

A new RMIT-led international collaboration published in February has uncovered, for the first time, a distinct disorder-driven bosonic superconductor-insulator transition.

Optics & Photonics Feb 27, 2023

Researchers realize non-Hermitian exceptional points in degenerate optical cavity

Recently, a research team led by Prof. Guo Guangcan from the University of Science and Technology of China (USTC) constructed a non-Hermiticity (NH) synthetic orbital angular momentum (OAM) dimension in a degenerate optical ...

Superconductivity Feb 15, 2023

Discovering the magic in superconductivity's 'magic angle'

Researchers have produced new evidence of how graphene, when twisted to a precise angle, can become a superconductor, moving electricity with no loss of energy.

General Physics Feb 13, 2023

Mid-twentieth-century physics in the home of Galileo

Florence was a flourishing center for fundamental physics research throughout most of the twentieth century. Roberto Casalbuoni, Daniele Dominici and Massimo Mazzoni—all physicists currently working there—have reviewed ...

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