The saddle-point configuration of the symmetric ø4-model

Ken Sekimoto

Physica A: Statistical Mechanics and its Applications, 1986, vol. 137, issue 1, 96-110

Abstract: A saddle-point configuration of the symmetric ø4-model is obtained in (2+0)-dimensions under a boundary condition such that the solution øs(x,y) represents the domain walls along x- and y-axes far from the origin. We performed a linear stability analysis of the solution øs(x,y) numerically, and we found a single unstable mode of deformation and four marginally stable modes of deformation. We conclude that there exists a four-dimensional continuous parameter family of saddle-point configurations including øs(x,y).

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:137:y:1986:i:1:p:96-110

DOI: 10.1016/0378-4371(86)90065-8

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