Detect axial gauge fields with a calorimeter
Matteo Baggioli, Maxim N. Chernodub, Karl Landsteiner, Maria A. H. Vozmediano
SciPost Phys. Core 3, 013 (2020) · published 2 December 2020
- doi: 10.21468/SciPostPhysCore.3.2.013
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Abstract
Torsional strain in Weyl semimetals excites a unidirectional chiral density wave propagating in the direction of the torsional vector. This gapless excitation, named the chiral sound wave, is generated by a particular realization of the axial anomaly via the triple-axial (AAA) anomalous diagram. We show that the presence of the torsion-generated chiral sound leads to a linear behavior of the specific heat of a Weyl semimetal and to an enhancement of the thermal conductivty at experimentally accessible temperatures. We also demonstrate that such an elastic twist lowers the temperature of the sample, thus generating a new, anomalous type of elasto-calorific effect. Measurements of these thermodynamical effects will provide experimental verification of the exotic triple-axial anomaly as well as the reality of the elastic pseudomagnetic fields in Weyl semimetals.
Cited by 4
Authors / Affiliations: mappings to Contributors and Organizations
See all Organizations.- 1 Universidad Autónoma de Madrid / Autonomous University of Madrid [UAM]
- 2 University of Tours / François Rabelais University
- 3 Дальневосточный федеральный университет / Far Eastern Federal University
- 4 Instituto de Ciencia de Materiales de Madrid [ICMM]
- Centre National de la Recherche Scientifique / French National Centre for Scientific Research [CNRS]
- Comunidad de Madrid
- Ministerio de Educación y Cultura - Spain (MEC) (through Organization: Ministerio de Educación y Cultura - España / Ministry of Education and Culture - Spain [MEC Spain])
- Ministry of Education and Science of the Russian Federation (through Organization: Министерство образования и науки Российской Федерации / The Ministry of Education and Science of the Russian Federation)
- Secretaría de Estado de Investigacion, Desarrollo e Innovacion (through Organization: Ministerio de Economía, Industria y Competitividad / Ministry of Economy, Industry and Competitiveness [MINECO])