Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2005-02-25
Phys. Rev. Lett. 95, 247001 (2005)
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 5 eps figures
Scientific paper
10.1103/PhysRevLett.95.247001
Using a renormalization group approach, we determine the phase diagram of an extended quasi-one-dimensional electron gas model that includes interchain hopping, nesting deviations and both intrachain and interchain repulsive interactions. We find a close proximity of spin-density- and charge-density-wave phases, singlet d-wave and triplet f-wave superconducting phases. There is a striking correspondence between our results and recent puzzling experimental findings in the Bechgaard salts, including the coexistence of spin-density-wave and charge-density-wave phases and the possibility of a triplet pairing in the superconducting phase.
Bourbonnais Claude
Duprat Raphael
Dupuis N.
Nickel J. C.
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