Issue |
EPL
Volume 96, Number 6, December 2011
|
|
---|---|---|
Article Number | 60006 | |
Number of page(s) | 6 | |
Section | General | |
DOI | https://doi.org/10.1209/0295-5075/96/60006 | |
Published online | 06 December 2011 |
Gauss-Bonnet holographic superconductors with magnetic field
1
Department of Science, Campus of Bijar, University of Kurdistan - Bijar, Iran
2
Department of Physics, Faculty of Sciences, Tarbiat Moallem University - Tehran, Iran
a
Rezakord@ipm.ir
b
d.momeni@yahoo.com
Received:
25
June
2011
Accepted:
27
October
2011
We study the Gauss-Bonnet (GB) holographic superconductors in the presence of an external magnetic field. We describe the phenomena away from the probe limit. We derive the critical magnetic field of the GB holographic superconductors with backreaction. Our analytical approach matches the numerical calculations. We calculate the backreaction corrections up to first order of κ2 O(κ2=8πG) at the critical temperature TC and the critical magnetic field BC for a GB superconductor. We show that the GB coupling α makes the condensation weaker but the backreaction corrections O(κ2) make the critical magnetic field stronger.
PACS: 04.70.Bw – Classical black holes / 11.25.Tq – Gauge/string duality / 74.20.-z – Theories and models of superconducting state
© EPLA, 2011
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