TY - JOUR
T1 - Gauss-Bonnet holographic superconductors
AU - Barclay, Luke
AU - Gregory, Ruth
AU - Kanno, Sugumi
AU - Sutcliffe, Paul
PY - 2010
Y1 - 2010
N2 - We study holographic superconductors in five dimensional Einstein-Gauss-Bonnet gravity both numerically and analytically. We find the critical temperature of the superconductor decreases as backreaction is increased, although the effect of the Gauss-Bonnet coupling is more subtle: the critical temperature first decreases then increases as the coupling tends towards the Chern-Simons value in a backreaction dependent fashion. We compute the conductivity of the system, finding the energy gap, and show that the effect of both backreaction and higher curvature is to increase the gap ratio ωg/Tc, thus there is no universal relation for these superconductors.
AB - We study holographic superconductors in five dimensional Einstein-Gauss-Bonnet gravity both numerically and analytically. We find the critical temperature of the superconductor decreases as backreaction is increased, although the effect of the Gauss-Bonnet coupling is more subtle: the critical temperature first decreases then increases as the coupling tends towards the Chern-Simons value in a backreaction dependent fashion. We compute the conductivity of the system, finding the energy gap, and show that the effect of both backreaction and higher curvature is to increase the gap ratio ωg/Tc, thus there is no universal relation for these superconductors.
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U2 - 10.1007/JHEP12(2010)029
DO - 10.1007/JHEP12(2010)029
M3 - Article
AN - SCOPUS:78650254077
SN - 1126-6708
VL - 2010
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
IS - 12
M1 - 29
ER -