Spinor Bosonic Atoms in Optical Lattices: Symmetry Breaking and Fractionalization
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CitationDemler, Eugene, and Fei Zhou. 2002. “Spinor Bosonic Atoms in Optical Lattices: Symmetry Breaking and Fractionalization.” Physical Review Letters 88 (16) (April 3). doi:10.1103/physrevlett.88.163001.
AbstractWe study superfluid and Mott insulator phases of cold spin-1 Bose atoms with antiferromagnetic in- teractions in an optical lattice, including a usual polar condensate phase, a condensate of singlet pairs, a crystal spin nematic phase, and a spin singlet crystal phase. We suggest a possibility of exotic fraction- alized phases of spinor Bose-Einstein condensates and discuss them in the language of Z2 lattice gauge theory.
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