Field equations and vector order parameter in braneworld applications

Details Field equations and vector order parameter in braneworld applications Field equations and vector order parameter in braneworld applications

2010-09-24

arxiv.org/abs/1009.4805v1

Grav.Cosmol.16:266-273,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Text of the plenary report by B.E.Meierovich at the International Conference "Modern problems of gravitation, cosmology, and r

Scientific paper

10.1134/S0202289310040031

Phase transitions with spontaneous symmetry breaking and vector order parameter are considered in multidimensional theory of general relativity. Covariant equations, describing the gravitational properties of topological defects, are derived. The topological defects are classified in accordance with the symmetry of the covariant derivative of the vector order parameter. The abilities of the derived equations are demonstrated in application to the brane world concept. New solutions of the Einstein equations with a transverse vector order parameter are presented. In the vicinity of phase transition the solutions are found analytically. Comparison with the commonly used scalar multiplet approach demonstrates the advantages of the vector order parameter.

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