Quantum phases of atomic Fermi gases with spin-orbit coupling
ORAL
Abstract
We consider a general anisotropic spin-orbit coupling and analyze the phase diagrams of both balanced and imbalanced Fermi gases for the entire BCS-BEC evolution. First we use the self-consistent mean-field theory at zero temperature, and show that the topological structure of the ground-state phase diagrams is quite robust against the effects of anisotropy. Then we go beyond the mean-field description, and investigate the effects of Gaussian fluctuations near the critical temperature. This allows us to derive the time-dependent Ginzburg-Landau theory, from which we extract the effective mass of the Cooper pairs and their critical condensation temperature in the molecular BEC limit.
*Supported by Marie Curie IRG FP7-PEOPLE-IRG-2010-268239; TUBITAK Career 3501-110T839, and TUBA-GEBIP grants.
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