Entropy Function for Non-extremal D1D5 and D2D6NS5-branes

Details Entropy Function for Non-extremal D1D5 and D2D6NS5-branes Entropy Function for Non-extremal D1D5 and D2D6NS5-branes

2007-05-15

arxiv.org/abs/0705.2149v2

JHEP 0710:036,2007

Physics

High Energy Physics

High Energy Physics - Theory

17 Pages, Latex file; Minor additions, version published in JHEP

Scientific paper

10.1088/1126-6708/2007/10/036

We apply the entropy function formalism to non-extremal D1D5 and D2D6NS5-branes whose throat approximation is given by the Schwarzschild black hole in AdS_3\times S^3\times T^4 and AdS_3\times S^2\times S^1\times T^4, respectively. We find the Bekenstein-Hawking entropy and the (alpha')^3R^4 corrections from the value of the entropy function at its saddle point. While the higher derivative terms have no effect on the temperature, they decrease the value of the entropy.

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