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Scalar field cosmology: its non-linear Schr\"{o}dinger-type formulation

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arxiv 0904.2746 v1 pith:UONBPWB4 submitted 2009-04-17 gr-qc astro-ph.COquant-ph

Burin Gumjudpai (TPTP , Naresuan U.) This is my paper · ORCID
classification gr-qcastro-ph.COquant-ph
keywords formulationcosmologyfieldnon-linearscalarschrdinger-typebarotropic
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Scalar field cosmology is a model for dark energy and inflation. It has been recently found that the standard Friedmann formulation of the scalar field cosmology can be expressed in a non-linear Schr\"{o}dinger-type equation. The new mathematical formulation is hence called non-linear Schr\"{o}dinger (NLS) formulation which is suitable for a FRLW cosmological system with non-negligible barotropic fluid density. Its major features are reviewed here.

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  1. Non-linear Schr\"{o}dinger-type formulation of scalar field cosmology: two barotropic fluids and exact solutions

    gr-qc 2019-08 conditional novelty 3.0 of 10

    The time-independent NLS formulation of two-fluid scalar-field cosmology yields exact solutions, but most are unphysical or duplicate known results, motivating a time-dependent extension.

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