K-field kinks in two-dimensional dilaton gravity

被引：15
作者：
Zhong, Yuan [1 ]
Li, Fei-Yu [1 ]
Liu, Xu-Dong [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Phys, 28 West Xianning Rd, Xian 710049, Peoples R China
来源：
PHYSICS LETTERS B | 2021年 / 822卷
基金：
中国博士后科学基金;
关键词：
2D dilaton gravity; Kinks; K-field; MOTION; EVAPORATION; MODELS;
D O I：
10.1016/j.physletb.2021.136716
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this work, kinks with non-canonical kinetic energy terms are studied in a type of two-dimensional dilaton gravity model. The linear stability issue is generally discussed for arbitrary static solutions, and the stability criteria are obtained. As an explicit example, a model with cuscuton term is studied. After rewriting the equations of motion into simpler first-order formalism and choosing a polynomial superpotential, an exact self-gravitating kink solution is obtained. The impacts of the cuscuton term are discussed. (C) 2021 The Author(s). Published by Elsevier B.V.
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页数：7
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