Odd-parity topological superfluidity for fermions in a bond-centered square optical lattice
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DOI: 10.1103/physreva.96.053607
Abstract: We propose a physical scheme for the realization of two-dimensional topological odd-parity superfluidity in a spin-independent bond-centered square optical lattice based upon interband fermion pairing. The ${D}_{4}$ point-group symmetry of the lattice protects a quadratic… read more here.
Keywords: parity; bond centered; square optical; centered square ... See more keywords
Asymmetric conical diffraction in dislocated edge-centered square lattices.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.006300
Abstract: We investigate linear and nonlinear evolution dynamics of light beams propagating along a dislocated edge-centered square lattice. The band structure and Brillouin zones of this novel lattice are analyzed analytically and numerically. Asymmetric Dirac cones… read more here.
Keywords: dislocated edge; edge centered; centered square; conical diffraction ... See more keywords