Attractive interaction and superconductivity for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">K</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">C</mml:mi></mml:mrow><mml:mrow><mml:mn>60</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>
Fu‐Chun ZhangDepartment of Physics, University of Cincinnati, Cincinnati, Ohio 45221Masao OgataDepartment of Physics, University of Cincinnati, Cincinnati, Ohio 45221T. M. RiceDepartment of Physics, University of Cincinnati, Cincinnati, Ohio 45221
1991lv
ABI
Annotatsiya
The ${\mathrm{K}}^{+}$-ion optic phonons couple strongly to carriers on ${\mathrm{C}}_{60}$ molecules and can lead to an effective attraction at low energies. The fcc lattice is a frustrated lattice for a charge-density-wave state, opening the door to superconductivity. The competition between these instabilities is shown explicitly within mean-field theory.
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