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Phase transition and thermodynamical geometry for Schwarzschild AdS black hole in $AdS_5 imes{S^5}$ spacetime

机译:schwarzschild ads的相变和热力学几何   $ ads_5 \ times {s ^ 5} $ spacetime中的黑洞

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摘要

We study thermodynamics and thermodynamic geometry of a five-dimensionalSchwarzschild AdS black hole in $AdS_5\times{S^5}$ spacetime by treating thecosmological constant as the number of colors in the boundary gauge theory andits conjugate quantity as the associated chemical potential. It is found thatthe chemical potential is always negative in the stable branch of black holethermodynamics and it has a chance to be positive, but appears in the unstablebranch. We calculate scalar curvatures of the thermodynamical Weinhold metric,Ruppeiner metric and Quevedo metric, respectively and we find that thedivergence of scalar curvature is related to the divergence of specific heatwith fixed chemical potential in the Weinhold metric and Ruppeiner metric,while in the Quevedo metric the divergence of scalar curvature is related tothe divergence of specific heat with fixed number of colors and the vanishingof the specific heat with fixed chemical potential.
机译:我们通过将宇宙学常数视为边界规理论中的颜色数量并将其共轭量视为相关的化学势,研究了$ AdS_5 \ times {S ^ 5} $时空中五维Schwarzschild AdS黑洞的热力学和热力学几何形状。发现黑洞热力学的稳定分支中的化学势总是负的,并且有可能为正,但出现在不稳定的分支中。我们分别计算了热力学Weinhold度量,Ruppeiner度量和Quevedo度量的标量曲率,发现在Weinhold度量和Ruppeiner度量中标量曲率的发散与具有固定化学势的比热的发散有关,而在Quevedo度量中标量曲率的发散与具有固定数量的颜色的比热的发散和具有固定化学势的比热的消失有关。

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