期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP04(2012)135
关键词
Gauge-gravity correspondence; Holography and condensed matter physics (AdS/CMT) Spontaneous Symmetry Breaking
资金
- EU ITN Unification in the LHC Era (UNILHC) [PITN-GA-2009-237920]
- MIUR [2006022501]
- Spanish Consolider-Ingenio 2010 Programme CPAN [CSD2007-00042]
- CICYT [FPA 2008-01430]
- MICINN-RYC
- Universitat Auonoma de Barcelona [PR-404-01-2/08]
- FPU [AP2007-00420]
We study the magnetic response of holographic superconductors exhibiting an insulating 'normal' phase. These materials can be realized as a CFT compactified on a circle, which is dual to the AdS Soliton geometry. We study the response under i) magnetic fields and ii) a Wilson line on the circle. Magnetic fields lead to formation of vortices and allows one to infer that the superconductor is of type II. The response to a Wilson line is in the form of Aharonov-Bohm-like effects. These are suppressed in the holographic conductor/superconductor transition but, instead, they are unsuppressed for the insulator case. Holography, thus, predicts that generically insulators display stronger Aharonov-Bohm effects than conductors. In the fluid-mechanical limit the AdS Soliton is interpreted as a supersolid. Our results imply that supersolids display unsuppressed Aharonov-Bohm (or 'Sagnac') effects - stronger than in superfluids.
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