Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-12-19
JHEP 0404:061,2004
Physics
High Energy Physics
High Energy Physics - Theory
16 pages, no figure, references added, terminology corrected
Scientific paper
10.1088/1126-6708/2004/04/061
We consider dimensional reduction of the lightlike holography of the covariant entropy bound from D+1 dimensional geometry of M X S to the D dimensional geometry M. With a warping factor, the local Bekenstein bound in D+1 dimensions leads to a more refined form of the bound from the D dimensional view point. With this new local Bekenstein bound, it is quite possible to saturate the lightlike holography even with nonvanishing expansion rate. With a Kaluza-Klein gauge field, the dimensional reduction implies a stronger bound where the energy momentum tensor contribution is replaced by the energy momentum tensor with the electromagnetic contribution subtracted.
Bak Dongsu
Yee Ho-Ung
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