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GRAVITATIONAL COLLAPSE IN THE CONTEXT OF BRANE WORLD SCENARIO WITH DECAYING VACUUM ENERGY

TANWI BANDYOPADHYAY

Department of Mathematics, Jadavpur University, Kolkata-32, India

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ANUSUA BAVEJA

Department of Mathematics, Jadavpur University, Kolkata-32, India

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, and

SUBENOY CHAKRABORTY

Department of Mathematics, Jadavpur University, Kolkata-32, India

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https://doi.org/10.1142/S0217732308024420Cited by:5 (Source: Crossref)

Abstract

An FRW brane model embedded in a conformally flat bulk is considered to study gravitational collapse for matter cloud in non-interacting combination of dark matter and dark energy. The form of dark energy is chosen as the decaying vacuum energy. Both expanding and contracting model of the universe are found for different time intervals with a time interval in between, which is a forbidden region.

Keywords:

PACS: 04.70.Bw

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