Spontaneous symmetry breaking and the Goldstone theorem in non-Hermitian field theories

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Spontaneous symmetry breaking and the Goldstone theorem in non-Hermitian field theories

We demonstrate the extension to parity-time (PT)-symmetric field theories of the Goldstone theorem, confirming that the spontaneous appearance of a field vacuum expectation value via minimization of the effective potential in a non-Hermitian model is accompanied by a massless scalar boson. Laying a...

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Bibliographic Details
Main Authors:	Alexandre, Jean, Ellis, John, Millington, Peter, Seynaeve, Dries
Format:	Article
Language:	English
Published:	American Physical Society 2018
Online Access:	https://eprints.nottingham.ac.uk/53415/

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