TY - JOUR
T1 - Kink-antikink scattering in a quantum vacuum
AU - Mukhopadhyay, Mainak
AU - Sfakianakis, Evangelos I.
AU - Vachaspati, Tanmay
AU - Zahariade, George
N1 - Publisher Copyright:
© 2022, The Author(s).
PY - 2022/4
Y1 - 2022/4
N2 - 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.
AB - 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.
KW - Integrable Field Theories
KW - Lattice Quantum Field Theory
KW - Solitons Monopoles and Instantons
KW - Topological Field Theories
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U2 - 10.1007/JHEP04(2022)118
DO - 10.1007/JHEP04(2022)118
M3 - Article
AN - SCOPUS:85128836246
SN - 1029-8479
VL - 2022
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
IS - 4
M1 - 118
ER -