Generating Anisotropic Collapse and Expansion Solutions of Einstein's Equations
classification
🌀 gr-qc
keywords
anisotropiccollapsefunctionsolutionsexpansiongeneratingmetrictime
read the original abstract
Analytic gravitational collapse and expansion solutions with anisotropic pressure are generated. Metric functions are found by requiring zero heat flow scalar. It emerges that a single function generates the anisotropic solutions. Each generating function contains an arbitrary function of time which can be chosen to fit various astrophysical time profiles. Two examples are provided: a bounded collapse metric and an expanding cosmological solution
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