title: Building a holographic superconductor.
abstract: We show that a simple gravitational theory can provide a holographically dual description of a superconductor. There is a critical temperature, below which a charged condensate forms via a second order phase transition and the (dc) conductivity becomes infinite. The frequency dependent conductivity develops a gap determined by the condensate. We find evidence that the condensate consists of pairs of quasiparticles.
authors.affiliation: KITP, University of California Santa Barbara, Santa Barbara, California 93106, USA.
authors.forename: Sean A
authors.initials: SA
authors.lastname: Hartnoll
authors.forename: Christopher P
authors.initials: CP
authors.lastname: Herzog
authors.forename: Gary T
authors.initials: GT
authors.lastname: Horowitz