Dynamics of a probe null string in the gravitational field of a closed null string radially collapsing in the plane.

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Bibliographic Details
Title: Dynamics of a probe null string in the gravitational field of a closed null string radially collapsing in the plane.
Authors: Lelyakov, A.1 lelyakov@crimea.edu, Karpenko, A.1
Source: Theoretical & Mathematical Physics. Jan2017, Vol. 190 Issue 1, p140-153. 14p.
Subjects: Gravitational fields, String models (Physics), Null hypothesis, Equations of motion, Contractions (Topology), Acceleration (Mechanics)
Abstract: We consider the dynamics of a probe null string in the gravitational field of a closed ( 'thick') null string radially collapsing in a plane. Analysis of the obtained solutions suggests that there might exist several properties of a null-string gas interesting from the cosmological standpoint, such as acceleration of expansion or contraction, a granular structure of the gas, the emergence of stable polarized states, and a domain structure. [ABSTRACT FROM AUTHOR]
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Abstract:We consider the dynamics of a probe null string in the gravitational field of a closed ( 'thick') null string radially collapsing in a plane. Analysis of the obtained solutions suggests that there might exist several properties of a null-string gas interesting from the cosmological standpoint, such as acceleration of expansion or contraction, a granular structure of the gas, the emergence of stable polarized states, and a domain structure. [ABSTRACT FROM AUTHOR]
ISSN:00405779
DOI:10.1134/S0040577917010123