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Axial anomaly in multi-Weyl and triple-point semimetals

Abstract We derive the expression of the abelian axial anomaly in the so-called multi-Weyl and triple-point crossing semimetals. No simplifying restrictions are assumed on the symmetry of the spectrum. Three different computation methods are considered: the perturbative quantum field theory procedure which is based on the evaluation of the one-loop Feynman diagrams, the Nielsen...

Quasi-Particles, Thermodynamic Consistency, and the Gap Equation

, Italy Correspondence should be addressed to Enore Guadagnini; ti.ipinu@iningadaug.erone Received 18 April 2017; Revised 29 May 2017; Accepted 6 June 2017; Published 10 July 2017 Academic Editor: Xavier ...  Leoncini Copyright © 2017 Enore Guadagnini. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any