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Triplet p-Wave Superconductivity in the Low-Density Extended Hubbard Model with Coulomb Repulsion / M. Y. Kagan [et al.] // JETP Letters. - 2011. - Vol. 93, Is. 12. - P. 725-730, DOI 10.1134/S0021364011120083. - Cited References: 42. - We acknowledge useful with A. V. Chubukov, A.S. Alexandrov, I.A. Fomin, K.I. Kugel, and V. V. Kabanov for stimulating discussions. This work was supported by the Russian Foundation for Basic Research (project nos. 11-02-00708 and 11-02-00741). M.S.M acknowledges the support of the US Department of Energy (award no. DE-FG02-08ER64623, Hofstra University Center for Condensed Matter). . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
T-J MODEL
   FERMI GAS
   SUPERFLUID TRANSITION
   PHASE-SEPARATION
   SYSTEMS
   TEMPERATURES
   BEHAVIOR
   LIQUID
   POINT
   STATE
Аннотация: We analyze superconducting instabilities in 3D and 2D extended Hubbard model with Coulomb repulsion between electrons on neighboring sites in the limit of low electron density (n(el) - 0) on simple cubic (square) lattice. We show that in a realistic strong-coupling case U V W (U and V are the onsite and the intersite Coulomb repulsions, respectively, and W the bandwidth) the main SC instability corresponds to the p-wave pairing and in the leading order is correctly described by the equations obtained earlier in the absence of the intersite Coulomb interaction V = 0.

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Держатели документа:
[Kagan, M. Yu.] Russian Acad Sci, Kapitza Inst Phys Problems, Moscow 119334, Russia
[Efremov, D. V.] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
[Marienko, M. S.] Hofstra Univ, Dept Phys & Astron, Hempstead, NY 11549 USA
[Val'kov, V. V.] Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kapitza Institute for Physical Problems, Russian Academy of Sciences, Moscow 119334, Russian Federation
Max-Planck-Institut fur Festkorperforschung, D-70569 Stuttgart, Germany
Department of Physics and Astronomy, Hofstra University, Hempstead, NY 11549, United States
Kirensky Institute of Physics, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Kagan, M. Y.; Efremov, D. V.; Marienko, M. S.; Val'kov, V. V.; Вальков, Валерий Владимирович
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