Kink in the dilaton–axion theory with a potential possessing dilaton shift symmetry

O.V. Kechkin

Chaos, Solitons & Fractals, 2023, vol. 177, issue C

Abstract: The sigma model with dilaton and axion is generalized by including in it a potential that is invariant under the global transformation of the dilaton shift. In the (1 + 1)-dimensional case, a soliton is constructed, which turned out to be an axion-type kink (anti-kink) with a nontrivial distribution of the dilaton field. The solution is obtained for an arbitrary value of the dilaton–axion coupling constant, and its mass is found.

Keywords: Sigma model with potential; Dynamic symmetry; Soliton (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:177:y:2023:i:c:s0960077923011414

DOI: 10.1016/j.chaos.2023.114239

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