Physicists have observed a novel quantum effect termed "hybrid topology" in a crystalline material. This finding opens up a new range of possibilities for the development of efficient materials and technologies for next-generation ...
Condensed Matter
Apr 10, 2024
0
965
Three-dimensional topological insulators are materials that can conduct electric current without resistance—but only on their surface. However, this effect is difficult to measure. This is because these materials usually ...
Nanophysics
Sep 21, 2021
0
43
The laws of quantum physics rule the microcosm. They determine, for example, how easily electrons move through a crystal and thus whether the material is a metal, a semiconductor or an insulator. Quantum physics may lead ...
Quantum Physics
Jul 16, 2021
0
327
Scientists at the U.S. Department of Energy's Ames Laboratory have observed novel helical magnetic ordering in the topological compound EuIn2As2 which supports exotic electrical conduction tunable by a magnetic field. The ...
General Physics
Mar 22, 2021
0
5481
Electrons in a solid occupy distinct energy bands separated by gaps. Energy band gaps are an electronic "no man's land," an energy range where no electrons are allowed. Now, scientists studying a compound containing iron, ...
Superconductivity
Mar 17, 2021
0
7620
The search is on to discover new states of matter, and possibly new ways of encoding, manipulating, and transporting information. One goal is to harness materials' quantum properties for communications that go beyond what's ...
Quantum Physics
Sep 10, 2020
0
909
Heterostructures with magnetism and topology (geometry) are promising materials to realize exotic topological quantum states. However, such materials are challenging to engineer or synthesize. In a new report on Science Advances, ...
Quantum computers promise to perform operations of great importance believed to be impossible for our technology today. Current computers process information via transistors carrying one of two units of information, either ...
Quantum Physics
Jul 16, 2019
0
362
In work that provides insights for several areas of wave physics, including Maxwell electromagnetism, topological quantum states, and plasmonics/metamaterials, scientists have shown that the well-known surface electromagnetic ...
General Physics
Feb 4, 2019
0
1136
Topological insulators are exotic states of matter that physicists have been intensely studying for the past decade. Their most intriguing feature is that they can be rigorously distinguished from all other materials using ...
General Physics
Jan 9, 2019
0
463
