Year: 2022
Type: article
Abstract: We study kink-antikink scattering in the sine-Gordon model in the presence of interactions with an additional scalar field, ψ, that is in its quantum vacuum. In contrast to the classical scattering, now there is quantum radiation of ψ 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: Journal of High Energy Physics
Language: English
Topic: Nonlinear Waves and Solitons
Subfield: Statistical and Nonlinear Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: diamond
Awards: G1175115578, G1498744406, G1720107055, Junior Leader la Caixa Postdoctoral Fellowship Programme: Shaping the new generation of leaders in research, G1855990336, G2064873908, G2262748287, G2309174360, G2435982265, G2660406951, G3005324705, G300979063, G3480869486, G3518538256, G425668148, G430777504, G5080475149, G5421974903, G5805502524, G6366842693, G6656126374, G7084143925, G8130184278, G884778030, G99296377
OpenAlex ID: W3207556741