Pulse irradiation induces interband electron-electron pair correlations in the EFKM photoexcited states through its internal SU(2) pairing structure, even on nonbipartite lattices with direct band structure.
Note that here the hoppings are assumed to be finite only between sites on different sub- lattices
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Photoinduced electron-electron pairing in the extended Falicov-Kimball model
Pulse irradiation induces interband electron-electron pair correlations in the EFKM photoexcited states through its internal SU(2) pairing structure, even on nonbipartite lattices with direct band structure.