Highly-enhanced propagation of long-range kinks in heterogeneous media

A bstract We investigate a field-theoretical model that describes the interaction between kinks and antikinks and between kinks and other heterogeneous fields and impurities. We show that the long-range kink can tunnel through a barrier created by heterogeneous fields and impurities even when the en...

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Bibliographic Details
Published in:The journal of high energy physics 2024-10, Vol.2024 (10), p.42-49, Article 42
Main Authors: González, Jorge A., Bellorín, Alberto, Guerrero, Luis E., Jiménez, Salvador, Marín, Juan F.
Format: Article
Language:English
Subjects:
Classical and Quantum Gravitation
Elementary Particles
Energy
Impurities
Integrable Field Theories
Physics
Physics and Astronomy
Propagation
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Solitons Monopoles and Instantons
String Theory
Symmetry
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Summary:A bstract We investigate a field-theoretical model that describes the interaction between kinks and antikinks and between kinks and other heterogeneous fields and impurities. We show that the long-range kink can tunnel through a barrier created by heterogeneous fields and impurities even when the energy of the center of mass of the kink is less than the height of the energy barrier. We also study the conditions under which the kink can pass freely through a disordered medium. We introduce the concept of “effective translational symmetry”. We compare our results with those from recent papers published in this journal, where the Bogomol’nyi-Prasad-Sommerfield property is discussed.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP10(2024)042