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题名: Quasinormal modes prefer supersymmetry?
作者: Ling, Y ;  Zhang, HB
刊名: PHYSICAL REVIEW D
出版日期: 2003
卷号: 68, 期号:10, 页码:-
关键词: LOOP QUANTUM-GRAVITY ;  BLACK-HOLE ENTROPY ;  CANONICAL SUPERGRAVITY ;  FORMULATION ;  AREA
学科分类: Physics
通讯作者: Ling, Y , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
部门归属: CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Chinese Acad Sci, Inst Appl Math, Beijing 100080, Peoples R China
英文摘要: One ambiguity in loop quantum gravity is the appearance of a free parameter which is called the Immirzi parameter. Recently Dreyer has argued that this parameter may be fixed by considering the quasinormal mode spectrum of black holes, while at the price of changing the gauge group to SO(3) rather than the original one SU(2). Physically such a replacement is not quite natural or desirable. In this paper we study the relationship between the black hole entropy and the quasinormal mode spectrum in the loop quantization of N=1 supergravity. We find that a single value of the Immirzi parameter agrees with the semiclassical expectations as well. But in this case the lowest supersymmetric representation dominates, fitting well with the result based on statistical consideration. This suggests that, so long as fermions are included in the theory, supersymmetry may be favored for the consistency of the low energy limit of loop quantum gravity.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000187004600001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14198
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Ling, Y,Zhang, HB. Quasinormal modes prefer supersymmetry?[J]. PHYSICAL REVIEW D,2003,68(10):-.
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