Search results for fermionic model

General Physics Dec 19, 2017

'Weyl-Kondo semimetal': Physicists discover new type of quantum material

U.S. and European physicists searching for an explanation for high-temperature superconductivity were surprised when their theoretical model pointed to the existence of a never-before-seen material in a different realm of ...

General Physics Nov 28, 2017

New research could revolutionise the future of electronic devices

Research led by the Universities of St Andrews and Tokyo reveals a new understanding on how to create topological electronic states in solids which could fuel the development of improved materials for fast and energy-efficient ...

Quantum Physics Nov 6, 2017

Physicists develop a device that could provide conclusive evidence for the existence (or not) of non-Abelian anyons

What kinds of 'particles' are allowed by nature? The answer lies in the theory of quantum mechanics, which describes the microscopic world.

Superconductivity Oct 31, 2017

On the hunt for new and peculiar superconductors

Annica Black-Schaffer wants to understand unconventional superconductors. The fact that she recently received the prestigious ERC Starting Grant and is a former recipient of grants from the Knut and Alice Wallenberg Foundation ...

Quantum Physics Sep 14, 2017

How to measure a molecule's energy using a quantum computer

Simulating molecules on quantum computers just got much easier with IBM's superconducting quantum hardware. In a recent research article published in Nature, Hardware-efficient Variational Quantum Eigensolver for Small Molecules ...

Quantum Physics Jun 8, 2017

Neutrons zero in on the elusive magnetic Majorana fermion

Neutron scattering has revealed in unprecedented detail new insights into the exotic magnetic behavior of a material that, with a fuller understanding, could pave the way for quantum calculations far beyond the limits of ...

General Physics May 30, 2017

Physicists explore elusive high-energy particles in a crystal

Mid-infrared wavelengths of light are invisible to the eye but can be useful for a number of technologies, including night vision, thermal sensing, and environmental monitoring. Now, a new phenomenon in an unconventional ...

Quantum Physics May 25, 2017

Harvard team creates a cold-atom Fermi–Hubbard antiferromagnet

(Phys.org)—A team at Harvard University has found a way to create a cold-atom Fermi–Hubbard antiferromagnet, which offers new insight into how electrons behave in solids. In their paper published in the journal Nature, the ...

General Physics May 23, 2017

Weyl fermions exhibit paradoxical behavior

Theoretical physicists have found Weyl fermions to exhibit paradoxical behavior in contradiction to a 30-year-old fundamental theory of electromagnetism. The discovery has possible applications in spintronics. The study ...

General Physics May 17, 2017

Hunting for the superpartner of the top quark

Supersymmetry (SUSY) is one of the most attractive theories extending the Standard Model of particle physics. SUSY would provide a solution to several of the Standard Model's unanswered questions, by more than doubling the ...

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