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Higgs/amplitude mode dynamics from holography

Donos, Aristomenis; Pantelidou, Christiana

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Authors

Christiana Pantelidou



Abstract

Second order phase transitions are universally driven by an order parameter which becomes trivial at the critical point. At the same time, collective excitations which involve the amplitude of the order parameter develop a gap which smoothly closes to zero at criticality. We develop analytical techniques to study this “Higgs” mode in holographic systems which undergo a continuous phase transition at finite temperature and chemical potential. This allows us to study the linear response of the system at energy scales of the order of the gap. We express the Green’s functions of scalar operators in terms of thermodynamic quantities and a single transport coefficient which we fix in terms of black hole horizon data.

Citation

Donos, A., & Pantelidou, C. (2022). Higgs/amplitude mode dynamics from holography. Journal of High Energy Physics, 2022(8), Article 246. https://doi.org/10.1007/jhep08%282022%29246

Journal Article Type Article
Acceptance Date Jul 31, 2022
Online Publication Date Aug 24, 2022
Publication Date 2022
Deposit Date Sep 13, 2022
Publicly Available Date Sep 13, 2022
Journal Journal of High Energy Physics
Print ISSN 1126-6708
Electronic ISSN 1029-8479
Publisher Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Peer Reviewed Peer Reviewed
Volume 2022
Issue 8
Article Number 246
DOI https://doi.org/10.1007/jhep08%282022%29246

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.





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