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Coulomb enhancement of superconducting pair-pair correlations in a34-filled model forκ−(BEDT-TTF)2X
2016
Physical review B
We present the results of precise correlated-electron calculations on the monomer lattices of the organic charge-transfer solids κ-(BEDT-TTF)_2X for 32 and 64 molecular sites. Our calculations are for band parameters corresponding to X = Cu[N(CN)_2]Cl and Cu_2(CN)_3, which are semiconducting antiferromagnetic and quantum spin liquid, respectively, at ambient pressure. We have performed our calculations for variable electron densities ρ per BEDT-TTF molecule, with ρ ranging from 1 to 2. We find
doi:10.1103/physrevb.93.205111
fatcat:bmllbemvqrfkbdljvbxefp4voi