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Detect Axial Gauge Fields with a Calorimeter
by Matteo Baggioli, Maxim N. Chernodub, Karl Landsteiner, Maria A. H. Vozmediano
|As Contributors:||matteo Baggioli · Karl Landsteiner · Maria Vozmediano|
|Arxiv Link:||https://arxiv.org/abs/2004.02473v2 (pdf)|
|Date submitted:||2020-11-09 13:00|
|Submitted by:||Baggioli, matteo|
|Submitted to:||SciPost Physics Core|
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.
For Journal SciPost Physics Core: Publish
(status: Editorial decision fixed and (if required) accepted by authors)
Submission & Refereeing History
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Reports on this Submission
Anonymous Report 2 on 2020-11-23 Invited Report
The authors made satisfactory changes in the manuscript following the comments of the referees. For this reason I recommend the current version of the manuscript for publication.
Anonymous Report 1 on 2020-11-17 Invited Report
The authors have provided satisfactory answers to the questions raised in the first round of reports. I am now in favour of publishing the manuscript as is in SciPost.