Phases of Bosons or Fermions in confined optical lattices

Details Phases of Bosons or Fermions in confined optical lattices Phases of Bosons or Fermions in confined optical lattices

2006-03-13

arxiv.org/abs/cond-mat/0603334v3

Phys. Rev. A 74, 033608 (2006)

Physics

Condensed Matter

Superconductivity

Revised and extended. To appear in PRA

Scientific paper

10.1103/PhysRevA.74.033608

Phases of Bose or Fermi atoms in optical lattices confined in harmonic traps are studied within the Thomas-Fermi approximation. Critical radii and particle number for onset of Mott insulator states are calculated and phase diagrams shown in 1D, and estimated for 2 and 3D. Methods to observe these and novel phases such as d-wave superconductivity is discussed. Specifically the collective modes are calculated.

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