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cond-mat.str-el2010★ 1 cited
A mechanism for pair formation in strongly correlated systems
Tobias Verhulst, Jan Naudts
We start from a Hamiltonian describing non-interacting fermions and add bosons to the model, with a Jaynes-Cummings-like interaction between the bosons and fermions. Because of the…
cond-mat.str-el2010
Electron pair forming in an integrable model
Jan Naudts, Tobias Verhulst
We consider a lattice model in which phonons scatter with pairs of electrons. All eigenvalues and eigenvectors can be obtained analytically. For a suitable choice of parameters the…