Validity of generalised second law in holographic DGP brane

Details Validity of generalised second law in holographic DGP brane Validity of generalised second law in holographic DGP brane

Aug 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010gregr..42.1863d&link_type=abstract

General Relativity and Gravitation, Volume 42, Issue 8, pp.1863-1873

Physics

5

Dgp Brane World, Holographic Dark Energy (Hde), Generalised Second Law Of Thermodynamics (Gslt)

Scientific paper

In this paper we study the validity of the generalised second law of thermodynamics (GSLT) of the universe bounded by the event horizon on the Dvali-Gabadadze-Porrati (DGP) brane world. The radius of the event horizon is calculated by establishing a correspondence between holographic dark energy and the effective energy density in the DGP brane world. It is shown that in the absence of cold dark matter (CDM), GSLT is always respected. In the presence of CDM, we take three different DGP models and find conditions under which GSLT holds.

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