Atomically thin layers of the semimetal tungsten ditelluride conduct electricity losslessly along narrow, one-dimensional channels at the crystal edges. The material is therefore a second-order topological insulator. By obtaining ...
Nanophysics
May 26, 2020
0
27
A discovery that long eluded physicists has been detected in a laboratory at Princeton. A team of physicists detected superconducting currents—the flow of electrons without wasting energy—along the exterior edge of a ...
Superconductivity
Apr 30, 2020
0
2161
Researchers at the University of Copenhagen, in collaboration with Microsoft Quantum researchers, have used a pencil-shaped semiconductor measuring only a few hundred nanometers in diameter to uncover a new route to topological ...
Superconductivity
Apr 22, 2020
0
312
Topological superconductors, with bulk superconducting gap and Majorana fermion states on the surface or edge, are one of the most sought after quantum materials. Topological superconductivity is of fundamental importance ...
Superconductivity
Feb 25, 2020
0
5
A team of physicists has uncovered a new state of matter—a breakthrough that offers promise for increasing storage capabilities in electronic devices and enhancing quantum computing.
General Physics
Aug 15, 2019
5
4088
Majorana particles are very peculiar members of the family of elementary particles. First predicted in 1937 by the Italian physicist Ettore Majorana, these particles belong to the group of so-called fermions, a group that ...
Superconductivity
May 10, 2019
0
1126
Designing quantum materials with exotic and unprecedented electrical properties has the field of physics teeming with buzz. Researchers at Aalto University in Finland have now introduced a significant turn in this discussion ...
Quantum Physics
Jun 4, 2018
0
22
With their insensitivity to decoherence, Majorana particles could become stable building blocks of quantum computers. The problem is that they only occur under very special circumstances. Now, researchers at Chalmers University ...
Quantum Physics
Feb 19, 2018
7
1217
When it comes to entirely new, faster, more powerful computers, Majorana fermions may be the answer. These hypothetical particles can do a better job than conventional quantum bits (qubits) of light or matter. Why? Because ...
Quantum Physics
Oct 26, 2017
0
10
The search for Majorana fermions, particles that are their own anti-particles, in topological superconductors is of paramount importance in condensed matter physics today. Recently, a research team led by Professor Qi-Kun ...
Superconductivity
Jul 3, 2017
0
8
