Superfluid gap formation in a fermionic optical lattice with spin imbalanced populations

Details Superfluid gap formation in a fermionic optical lattice with spin imbalanced populations Superfluid gap formation in a fermionic optical lattice with spin imbalanced populations

2010-07-19

arxiv.org/abs/1007.3307v1

Physics

Condensed Matter

Quantum Gases

4 pages, 1 figure, To appear in J. Phys.: Conf. Ser. for SCES2010

Scientific paper

We investigate the attractive Hubbard model in infinite spatial dimensions at quarter filling. By combining dynamical mean-field theory with continuous-time quantum Monte Carlo simulations in the Nambu formalism, we directly deal with the superfluid phase in the population imbalanced system. We discuss the low energy properties in the polarized superfluid state and the pseudogap behavior in the vicinity of the critical temperature.

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