Extended multi-scalar field theories in (1+1) dimensions

被引：0

作者：

Aguirre, A. R. ^{[1
]}

Souza, E. S. ^{[1
]}

机构：

[1] Univ Fed Itajuba, Inst Fis Quim, Av BPS 1303, BR-37500903 Itajuba, MG, Brazil

来源：

EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 12期

关键词：

KINK-ANTIKINK INTERACTIONS; COMPLETE FACTORIZATION; QUANTUM MASS; SCALAR; SOLITONS; SYSTEMS; ENERGY; STABILITY; RESONANCE; EQUATIONS;

D O I：

10.1140/epjc/s10052-020-08724-y

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We present the explicit construction of some multi-scalar field theories in (1+1) dimensions supporting BPS (Bogomol'nyi-Prasad-Sommerfield) kink solutions. The construction is based on the ideas of the so-called extension method. In particular, several new interesting two-scalar and three-scalar field theories are explicitly constructed from non-trivial couplings between well-known one-scalar field theories. The BPS solutions of the original one-field systems will be also BPS solutions of the multi-scalar system by construction, and therefore we will analyse their linear stability properties for the constructed models.

引用

页数：24

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