The counting of Nambu–Goldstone bosons in a non-Hermitian field theory

Ivan Arraut

doi:10.1140/epjc/s10052-020-08434-5

The counting of Nambu–Goldstone bosons in a non-Hermitian field theory

Ivan Arraut

Hong Kong Metropolitan University

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We demonstrate that the number of Nambu–Goldstone bosons is always equal to the number of conserved currents inside the scenario of non-Hermitian field theories with spontaneous symmetry breaking. This eliminates the redundancies which normally appears in Hermitian field theories, specifically when the Lagrangian under analysis violates explicitly the Lorentz symmetry.

Original language	English
Article number	873
Journal	European Physical Journal C
Volume	80
Issue number	9
DOIs	https://doi.org/10.1140/epjc/s10052-020-08434-5
Publication status	Published - 1 Sept 2020

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AB - We demonstrate that the number of Nambu–Goldstone bosons is always equal to the number of conserved currents inside the scenario of non-Hermitian field theories with spontaneous symmetry breaking. This eliminates the redundancies which normally appears in Hermitian field theories, specifically when the Lagrangian under analysis violates explicitly the Lorentz symmetry.

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The counting of Nambu–Goldstone bosons in a non-Hermitian field theory

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