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Quantum Phase Transition Between a Topological and a Trivial Semimetal from Holography by Landsteiner, Karl; Liu, Yan; Sun, Ya-Wen is a scholarly article available to read on EtoBox.

What is Quantum Phase Transition Between a Topological and a Trivial Semimetal from Holography about?

We present a holographic model of a topological Weyl semimetal. A key ingredient is a time-reversal breaking parameter and a mass deformation. Upon varying the ratio of mass to time-reversal breaking parameter the model undergoes a quantum phase transition from a topologically nontrivial semimetal to a trivial one. The topological nontrivial semimetal is characterised by the presence of an anomalous Hall effect. The results can be interpreted in terms of the holographic renormalization group (RG) flow leading to restoration of time-reversal at the end point of the RG flow in the trivial phase.

Author

Landsteiner, Karl; Liu, Yan; Sun, Ya-Wen

Published

2015

Language

EN