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Search results for zero-energy quasiparticles

Optics & Photonics Oct 14, 2022

Annihilation of exceptional points from various degeneration points observed for the first time

A team of researchers from the University of Warsaw in Poland, the Institute Pascal CNRS in France, the Military University of Technology in Poland and the British University of Southampton has shown that it is possible to ...

Condensed Matter Sep 12, 2022

Researchers devise a theoretical description of light-induced topological states

Topological materials that possess certain atomic-level symmetries, including topological insulators and topological semi-metals, have elicited fascination among many condensed matter scientists because of their complex electronic ...

General 萌妹社区ics Sep 7, 2022

Evidence of excitonic insulators in moir茅 superlattices

Excitons are quasiparticles that are formed in insulators or semiconductors when an electron is promoted to a higher energy band, leaving a positively charged hole behind.

Nanomaterials Jun 28, 2022

Valleytronics researchers fabricate novel 2D material enjoying long-life excitons

The emerging field of valleytronics, which exploits the momentum preference of excited electrons, or excitons, in a variety of optoelectronic devices, is closely tied to the fabrication of novel 2D materials just atoms thick. ...

Superconductivity Jun 22, 2022

Majorana fermions hold potential for information technology with zero resistance

A new, multi-node FLEET review, published in Matter, investigates the search for Majorana fermions in iron-based superconductors.

Condensed Matter Mar 28, 2022

External magnetic field causes shift in electronic Dirac band structure in a kagome magnet

Working with a quantum material known as a kagome magnet, a team of Boston College physicists and colleagues have directly measured how individual electronic quantum states in the novel material respond to external magnetic ...

Quantum 萌妹社区ics Feb 7, 2022

Kinks, skinks and supersymmetry

Supersymmetry is symmetry of nature that is often hypothesized to exist among elementary particles. In a new paper that appeared in 萌妹社区ical Review Letters this week, physicists from the University of Amsterdam and QuSoft ...

Superconductivity Dec 20, 2021

Moments of silence point the way toward better superconductors

High-precision measurements have provided important clues about processes that impair the efficiency of superconductors. Future work building on this research could offer improvements in a range of superconductor devices, ...

Quantum 萌妹社区ics Nov 8, 2021

Key witness helps scientists detect 'spooky' quantum entanglement in solid materials

Quantum entanglement occurs when two particles appear to communicate without a physical connection, a phenomenon Albert Einstein famously called "spooky action at a distance." Nearly 90 years later, a team led by the U.S. ...

Condensed Matter Nov 8, 2021

Discovery of segmented Fermi surface induced by Cooper pair momentum on a hybrid material platform

In a new report now published in Science, primary authors Zhen Zhu, Michal Papaj, and an international research team in physics, materials science, and condensed matter at the Jiao Tong University, China, Massachusetts Institute ...

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