ITP OpenIR  > SCI期刊论文
Bu, YY; Bu, YY (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Holographic superconductors with z=2 Lifshitz scaling
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractWe use gauge/gravity duality to explore strongly coupled superconductors with dynamical exponent z = 2. In the probe limit we numerically establish background solutions for the matter fields and plot the condensate versus the dimensionless temperature. We then investigate electromagnetic perturbations in order to compute the ac conductivity and also calculate the spectral function. Our results for the condensate and conductivity are qualitatively similar to those of the anti-de Sitter (AdS) superconductor. However, we find that (for both the s-wave and p-wave) the condensate does not approach a constant at very low temperature and the conductivity goes to 1 from below but never exceeds it in the high frequency limit, in contrast to the AdS black hole. We do not see a peak at nonzero frequency in the imaginary part of the ac conductivity along the x direction for the p-wave case. These features are due to the nontrivial dynamical exponent. To be specific, the black hole geometry considered in this work is anisotropic between space and time, very different from the Schwarzschild-AdS black hole, which results in different asymptotic behaviors of temporal and spatial components of gauge fields than those in the Schwarzschild-AdS black hole.
2012
ISSN1550-7998
Volume86Issue:4Pages:46007
Subject AreaPhysics
Indexed BySCI
Funding OrganizationMPS-CAS Doctoral Training Program ; MPS-CAS Doctoral Training Program ; MPS-CAS Doctoral Training Program ; MPS-CAS Doctoral Training Program
Citation statistics
Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15044
CollectionSCI期刊论文
Corresponding AuthorBu, YY (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Bu, YY,Bu, YY . Holographic superconductors with z=2 Lifshitz scaling[J]. PHYSICAL REVIEW D,2012,86(4):46007.
APA Bu, YY,&Bu, YY .(2012).Holographic superconductors with z=2 Lifshitz scaling.PHYSICAL REVIEW D,86(4),46007.
MLA Bu, YY,et al."Holographic superconductors with z=2 Lifshitz scaling".PHYSICAL REVIEW D 86.4(2012):46007.
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