Late-time oscillatory behaviour for self-gravitating scalar fields

Rendall, Alan D.

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Late-time oscillatory behaviour for self-gravitating scalar fields

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Rendall, Alan D.
Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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cqg7_3_010.pdf
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Rendall, A. D. (2007). Late-time oscillatory behaviour for self-gravitating scalar fields. Classical and Quantum Gravity, 24, 667-677. Retrieved from http://www.iop.org/EJ/abstract/0264-9381/24/3/010.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-48D0-8

Abstract

This paper investigates the late-time behaviour of certain cosmological models where oscillations play an essential role. Rigorous results are proved on the asymptotics of homogeneous and isotropic spacetimes with a linear massive scalar field as source. Various generalizations are obtained for nonlinear massive scalar fields, k-essence models and f(R) gravity. The effect of adding ordinary matter is discussed as is the case of nonlinear scalar fields whose potential has a degenerate zero.