A variational Monte Carlo study of the four-band extended Hubbard model finds BCS-BEC crossover at hole doping δ=0.06, while Mott and stripe phases mask it at other dopings.
Indeed, Pα (r) shows good convergence for r /greaterorsimilar4, and we take an av- erage up to r ≈ 10 to define it as Pα
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Possibility of BCS-BEC crossover in $\kappa$-type organic superconductors
A variational Monte Carlo study of the four-band extended Hubbard model finds BCS-BEC crossover at hole doping δ=0.06, while Mott and stripe phases mask it at other dopings.