Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-04-03
Class.Quant.Grav. 20 (2003) L169
Physics
High Energy Physics
High Energy Physics - Theory
9 pages, REVTEX
Scientific paper
10.1088/0264-9381/20/11/104
We introduce the brane-bulk interaction to discuss a limitation of the cosmological Cardy-Verlinde formula which is useful for the holographic description of brane cosmology. In the presence of the brane-bulk interaction, we cannot find the entropy representation of the first Friedmann equation (the cosmological Cardy-Verlinde formula). In the absence of the interaction, the cosmological Cardy-Verlinde formula is established even for the time-dependent charged AdS background. Hence, if there exists a dynamic exchange of energy between the brane and the bulk (that is, if $\tilde T^t~_y \not=0$), we cannot achieve the cosmological holographic principle on the brane.
Kim Jin Young
Myung Yun Soo
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