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.
p-Wave superconductors in D-brane systems
Source PublicationNUCLEAR PHYSICS B
Language英语
KeywordString Theory
AbstractIn this work we take the intersecting D-brane models to explore some properties of p-wave superconductor at strong coupling. Our studies are focused on four-dimensional spacetime, which is not completely researched as in planar case. Optimistically, the AdS/CFT approach to superconductor, or more precisely superconducting-like phase transition, can give us some intuitions about mysterious high T-c superconductors. Concretely, we use defect D4/D6 and D4/D4 (noncritical) models to carry out comparative investigations. To make the system in the finite temperature bath, we assume that the superconducting phase is in the deconfined and chiral symmetry restoring phase for black D4-brane geometry. For the background fields, we use both analytical and numerical methods to solve the coupled nonlinear equations of motion. Near the phase transition, both methods give the mean filed behavior for the superconducting condensate. We then study gauge field perturbations of the systems to probe the AC conductivity. Similar to previous results, there comes out a gap in low frequency regime and the conductivity gets exponentially small as the condensation is enhanced. In contrast to previous investigations, we also compute the AC conductivity along the x direction, which needs to study a coupled sets of fluctuation modes. This shows us the anisotropic feature of p-wave superconductors. (C) 2012 Elsevier B.V. All rights reserved.
2012
ISSN0550-3213
Volume864Issue:3Pages:806-822
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:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14982
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 . p-Wave superconductors in D-brane systems[J]. NUCLEAR PHYSICS B,2012,864(3):806-822.
APA Bu, YY,&Bu, YY .(2012).p-Wave superconductors in D-brane systems.NUCLEAR PHYSICS B,864(3),806-822.
MLA Bu, YY,et al."p-Wave superconductors in D-brane systems".NUCLEAR PHYSICS B 864.3(2012):806-822.
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