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arXiv 0901.4539hep-th
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对称空间上的黑洞、一阶流方程和测地线

Black holes, first-order flow equations and geodesics on symmetric spaces

Jan Perz, Paul Smyth, Thomas Van Riet, Bert Vercnocke

摘要:

对于极端和非极端球对称黑洞,在无质量标量和矢量与引力耦合的理论中,我们导出了与运动方程等价的一阶梯度流方程的一般形式。对于在类时方向上降维后具有对称模空间的理论,我们讨论了这种梯度流存在的条件。本说明回顾了arXiv:0810.1528 [hep-th]的结果。

英文摘要:

For both extremal and non-extremal spherically symmetric black holes in theories with massless scalars and vectors coupled to gravity, we derive a general form of first-order gradient flow equations, equivalent to the equations of motion. For theories that have a symmetric moduli space after a dimensional reduction over the timelike direction, we discuss the condition for such a gradient flow to exist. This note reviews the results of arXiv:0810.1528 [hep-th].

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