TY - JOUR
T1 - Linearization of thick K-branes
AU - Zhong, Yuan
AU - Liu, Yu Xiao
PY - 2013/7/10
Y1 - 2013/7/10
N2 - We study the linearization of a class of thick K-branes, namely, four-dimensional domain walls generated by a scalar field with particular nonstandard kinetic terms. The master equations for linear perturbations are derived from the point of view of both dynamical equations and quadratic action. The spectra of the canonical normal modes are studied using supersymmetric quantum mechanics. Our results indicate that the scalar perturbation is nonlocalizable in general. Conditions for stable K-branes are also found.
AB - We study the linearization of a class of thick K-branes, namely, four-dimensional domain walls generated by a scalar field with particular nonstandard kinetic terms. The master equations for linear perturbations are derived from the point of view of both dynamical equations and quadratic action. The spectra of the canonical normal modes are studied using supersymmetric quantum mechanics. Our results indicate that the scalar perturbation is nonlocalizable in general. Conditions for stable K-branes are also found.
UR - https://www.scopus.com/pages/publications/84881298906
U2 - 10.1103/PhysRevD.88.024017
DO - 10.1103/PhysRevD.88.024017
M3 - 文章
AN - SCOPUS:84881298906
SN - 1550-7998
VL - 88
JO - Physical Review D - Particles, Fields, Gravitation and Cosmology
JF - Physical Review D - Particles, Fields, Gravitation and Cosmology
IS - 2
M1 - 024017
ER -