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Universal conductance of nanowires near the superconductor-metal quantum transition
Subir Sachdev, Philipp Werner, Matthias Troyer
We consider wires near a zero temperature transition between superconducting and metallic states. The critical theory obeys hyperscaling, which leads to a universal frequency, temp…
Conductivity of thermally fluctuating superconductors in two dimensions
Subir Sachdev
We review recent work on a continuum, classical theory of thermal fluctuations in two dimensional superconductors. A functional integral over a Ginzburg-Landau free energy describe…
Tuning order in cuprate superconductors
Subir Sachdev, Shou-Cheng Zhang
This article presents our perspective on STM measurements by Hoffman et al. (cond-mat/0201348) of the vortex lattice in BSCCO. We discuss implications of these measurements for var…
Thermally fluctuating superconductors in two dimensions
Subir Sachdev, Oleg A. Starykh
We describe the different regimes of finite temperature dynamics in the vicinity of a zero temperature superconductor to insulator quantum phase transition in two dimensions. New r…