Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-11-09
Phys.Lett. B535 (2002) 5-10
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, 1 figure; V2 12 pages, figure removed, the contribution of matter to the cosmological constant is added, will appear
Scientific paper
10.1016/S0370-2693(02)01729-X
The finite temperature effect is examined in Randall-Sundrum brane-world scenario with inclusion of the matter fields on the brane. At zero temperature it is found that the theory on the brane is conformally invariant, which guarantees $AdS$/CFT. At 4d effective action we derived a temperature-dependent nonvanishing cosmological constant at the flat spacetime limit of brane worldvolume. At the cosmological temperature $3 {\bf K}$ the cosmological constant is roughly $(0.0004 eV)^4$ which is within the upper bound of the recent experimental value $(0.01 eV)^4$
Kim Hungsoo
Park Dae Kil
Tamaryan Sayatnova
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