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Kink-antikink scattering in a quantum vacuum | | Mainak Mukhopadhyay
; Evangelos I. Sfakianakis
; Tanmay Vachaspati
; George Zahariade
; | | Date: |
15 Oct 2021 | | Abstract: | We study kink-antikink scattering in the sine-Gordon model in the presence of
interactions with an additional scalar field, $psi$, that is in its quantum
vacuum. In contrast to the classical scattering, now there is quantum radiation
of $psi$ quanta and the kink-antikink may form bound states that resemble
breathers of the sine-Gordon model. We quantify the rate of radiation and map
the parameters for which bound states are formed. Even these bound states
radiate and decay, and eventually there is a transition into long-lived
oscillons. | | Source: | arXiv, 2110.08277 | | Services: | Forum | Review | PDF | Favorites | |
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