2017
DOI: 10.1007/jhep04(2017)087
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Fermionic spectral functions in backreacting p-wave superconductors at finite temperature

Abstract: Abstract:We investigate the spectral function of fermions in a p-wave superconducting state, at finite both temperature and gravitational coupling, using the AdS/CF T correspondence and extending previous research. We found that, for any coupling below a critical value, the system behaves as its zero temperature limit. By increasing the coupling, the "peak-dip-hump" structure that characterizes the spectral function at fixed momenta disappears. In the region where the normal/superconductor phase transition is … Show more

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Cited by 5 publications
(4 citation statements)
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“…Considering four-dimensional planar EYM black holes with gauge group su(2), the probe limit was further explored in papers including [73,[75][76][77][78], while the back-reaction of the gauge field on the black hole geometry is included in, for example, [72,74,79,80]. Aspects of holographic superconductors that have been studied in this model include fermion correlators [80], analytic approximations for the critical temperature [75], conductivity [73,74,79], thermodynamic phase diagrams [72,74,80], superconducting coherence length [77], hydrodynamic modes [76] and fermionic spectral functions [81]. Higher-dimensional EYM black holes with superconducting horizons have also been studied, see, for example, [74,[82][83][84][85][86][87].…”
Section: Introductionmentioning
confidence: 99%
“…Considering four-dimensional planar EYM black holes with gauge group su(2), the probe limit was further explored in papers including [73,[75][76][77][78], while the back-reaction of the gauge field on the black hole geometry is included in, for example, [72,74,79,80]. Aspects of holographic superconductors that have been studied in this model include fermion correlators [80], analytic approximations for the critical temperature [75], conductivity [73,74,79], thermodynamic phase diagrams [72,74,80], superconducting coherence length [77], hydrodynamic modes [76] and fermionic spectral functions [81]. Higher-dimensional EYM black holes with superconducting horizons have also been studied, see, for example, [74,[82][83][84][85][86][87].…”
Section: Introductionmentioning
confidence: 99%
“…The corresponding spin connection can be then found through the torsionless condition, for details and conventions see [31].…”
mentioning
confidence: 99%
“…24 Las constantes de acoplamiento adimensionales introducidas en [111] y la densidad de carga usual del agujero negro es definida por: At(r) = µ A − ρ A r (lo mismo con Bt(r)), están relacionadas a las introducidas aquí por:…”
Section: Metales No Balanceadosunclassified
“…Descomponiendo la deformación de la superficie de Fermi en una base de armónicos esféricos, e insertando dicha descomposición en la fórmula de Landau para la energía de una excitación, Pomeranchuk fue capaz de escribir un conjunto de condiciones bajo las cuales un líquido de Fermi es estable. Su método puede ser generalizado a sistemas con redes o a superficies de Fermi anisotrópicas [111]; dicha posibilidad depende de la debilidad del acoplamiento entre las cuasi-partículas, o en otras palabras de la validez de la fórmula de Landau. Esto implica que desde la perspectiva de la fase de metal extraño, ya que la dinámica es fuertemente acoplada, la detección de inestabilidades fermiónicas se hace más difícil.…”
Section: Introductionunclassified