期刊
PHYSICS LETTERS B
卷 693, 期 3, 页码 343-350出版社
ELSEVIER
DOI: 10.1016/j.physletb.2010.08.047
关键词
Dynamical perturbation; Holographic superconductor; Critical phenomena; Gauss-Bonnet Ads
资金
- National Natural Science Foundation of China [10947203, 11075036, 11035008]
We investigate the perturbations of charged scalar field in 5-dimensional Gauss-Bonnet AdS black hole backgrounds. From the perturbation behaviors we obtain the objective picture on how the high curvature influences the spacetime perturbation and the condensation of the scalar hair. The high curvature effects can also be read from the linear response function such as the susceptibility and the correlation length, when the system approaches the critical point. We find that the Gauss-Bonnet term does not affect the critical exponents of the system and they still take the mean-field values. (c) 2010 Elsevier B.V. All rights reserved.
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