Collisions of domain walls in a supersymmetric model View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2001-11

AUTHORS

V. A. Gani, A. E. Kudryavtsev

ABSTRACT

A collision of two parallel domain walls in a supersymmetric model is analyzed by using both the effective-Lagrangian approximation and a numerical solution to the equations of motion for the scalar components of the superfields involved. Two cases—that where a configuration belonging to the type of two parallel walls is saturated in the sense of Bogomol’nyi, Prasad, and Sommerfeld (BPS) and that where such a configuration is not BPS-saturated—are considered individually. For the first case, it is shown that, at low initial velocities, a collision of the walls is virtually an elastic reflection somewhat delayed in time. It is also demonstrated that, in this case, it is possible to introduce a collective variable that has the meaning of an internal parameter of the configuration and which can be treated as a dynamical (time-dependent) variable and to describe the dynamics of the system in terms of an effective Lagrangian. For the second case, it is found that, for collisions, there is a critical value of vcr≈0.9120 for the initial velocity vi. For vivcr, the collision process is accompanied by a change in the vacuum state between the walls. More... »

PAGES

2043-2050

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/1.1423755

DOI

http://dx.doi.org/10.1134/1.1423755

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1048947683


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