Supersymmetry representation of Bose-Einstein condensation of fermion pairs

Details Supersymmetry representation of Bose-Einstein condensation of fermion pairs Supersymmetry representation of Bose-Einstein condensation of fermion pairs

2009-08-03

arxiv.org/abs/0908.0300v1

Physics

Condensed Matter

Statistical Mechanics

5 pages, 0 figures

Scientific paper

We consider supersymmetry field theory with supercomponents being the square root of the Bose condensate density, the amplitude of its fluctuations and Grassmannian fields related to the Fermi particles density. The fermion number is demonstrated to be conserved in degenerated Fermi-Bose mixtures with unbroken supersymmetry when the system is invariant with respect to inversion of the time arrow. We show the supersymmetry breaking allows one to derive field equations describing behavior of real Bose-Fermi mixtures. Solution of related field equations reveals the cooling of homogeneously distributed fermions gives first spontaneous rise to strong inhomogeneous fluctuations, while the Bose condensate appears at a lower temperature dependent of the fermion density.

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