Superconducting Coherent States for an Extended Hubbard Model
classification
❄️ cond-mat.supr-con
keywords
modelconstructedextendedhubbardstatessuperconductingtheycoherent
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An extended Hubbard model with phonons is considered. q-coherent states relative to the superconducting quantum symmetry of the model are constructed and their properties studied. It is shown that they can have energy expectation lower than eigenstates constructed via conventional processes and that they exhibit ODLRO.
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