TY - JOUR

T1 - Collapsing open isotropic universe generated by nonminimally coupled scalar field

AU - Morishima, Takahiro

AU - Futamase, Toshifumi

N1 - Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.

PY - 1999

Y1 - 1999

N2 - We investigated the behavior of an open isotropic universe generated by a scalar field which couples with background curvature nonminimally with the coupling constant ξ. In particular we focus on the situation where the initial value for the scalar field φin is greater than the critical value φ + ̂c = mp/√8πξ(1 -6ξ). The behavior is similar to an open de Sitter universe with k = -1 with a negative cosmological constant A < 0. It is found that the universe will collapse eventually to a singularity and thus has a finite extent in time in the future. Furthermore, there are some cases which shows a rebouncing behavior before the final collapse.

AB - We investigated the behavior of an open isotropic universe generated by a scalar field which couples with background curvature nonminimally with the coupling constant ξ. In particular we focus on the situation where the initial value for the scalar field φin is greater than the critical value φ + ̂c = mp/√8πξ(1 -6ξ). The behavior is similar to an open de Sitter universe with k = -1 with a negative cosmological constant A < 0. It is found that the universe will collapse eventually to a singularity and thus has a finite extent in time in the future. Furthermore, there are some cases which shows a rebouncing behavior before the final collapse.

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U2 - 10.1016/S0370-2693(98)01581-0

DO - 10.1016/S0370-2693(98)01581-0

M3 - Article

AN - SCOPUS:9744272552

VL - 447

SP - 46

EP - 50

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

IS - 1-2

ER -