Quasi-1DS=1/2AntiferromagnetCs2CuCl4in a Magnetic Field

Mean-field theory of a quasi-one-dimensional superconductor in a high magnetic field

At high magnetic field, the semiclassical approximation which underlies the Ginzburg-Landau (GL) theory of the mixed state of type II superconductors breaks down. In a quasi-1D superconductor (weakly coupled chains system) with an open Fermi surface, a high magnetic field stabilizes a cascade of superconducting phases which ends in a strong reentrance of the superconducting phase. The supercond...

Magnetic-field dependent Fermi surfaces in quasi-2D organic conductors

Magnetic-field dependent Fermi surfaces in quasi-2D organic conductors

Quasi-one-dimensional superconductors: from weak to strong magnetic field

We discuss the possible existence of a superconducting phase at high magnetic field in organic quasione-dimensional conductors. We consider in particular (i) the formation of a Larkin-OvchinnikovFulde-Ferrell state, (ii) the role of a temperature-induced dimensional crossover occuring when the transverse coherence length ξz(T ) becomes of the order of the lattice spacing, and (iii) the effect o...

Magnetic-field dependent Fermi surfaces in quasi-2D organic conductors