Non-supersymmetric extremal black holes in curvature squared n=2 supergravity

被引：0
|
作者：
Sahoo, Bindusar [1 ]
机构：
[1] Harish Chandra Res Inst, Allahabad, Uttar Pradesh, India
来源：
THEORETICAL HIGH ENERGY PHYSICS | 2007年 / 939卷
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D O I：
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Using the entropy function formalism we compute the entropy of supersymmetric as well as non-supersymmetric black holes in N=2 Supergravity in 4 dimensions with higher derivative correction. For supersymmetric case we see that there is an exact matching with earlier results derived using a 5 dimensional description of the same system whereas for non-supersymmetric case the results does'nt match and we provide possible explanation for the discrepancy.
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页码：212 / 215
页数：4
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