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полный	информационный	краткий

Поисковый запрос: (<.>S=ND1.85CE0.15CUO4<.>)

Общее количество найденных документов : 1

Korshunov, M. M.
Effective hamiltonian and properties of the normal and superconducting phases of n-type cuprates / M. M. Korshunov, S. G. Ovchinnikov, A. V. Sherman // JETP Letters. - 2004. - Vol. 80, Is. 1. - P. 39-43, DOI 10.1134/1.1800212. - Cited References: 32 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
T-J MODEL
   ORDER-PARAMETER
   QUASI-PARTICLES
   COPPER OXIDES
   FERMI-SURFACE
   ELECTRON
   SYMMETRY
   RANGE
   ND1.85CE0.15CUO4
   TRANSITIONS
Аннотация: An effective low-energy Hamiltonian is derived from a microscopic multiband p-d model in the regime of strong electron correlations. The parameters of the p-d model are determined by comparison with the ARPES data for undoped Nd2CuO4. The Hamiltonian is the t-J* model in which hopping and exchange slowly decay with distance and are taken into account up to the fifth coordination sphere. The quasiparticle band structure is calculated as a function of the doping concentration with regard to short-range magnetic order, and the superconductivity theory with the spin-fluctuation pairing mechanism is constructed. Assuming that the parameters of the model do not depend on the doping level, we obtained quantitative agreement with the properties observed experimentally for the normal and superconducting phases without introducing fitting parameters. (C) 2004 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Univ Tartu, Inst Phys, EE-51014 Tartu, Estonia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Akademgorodok, 660036, Russian Federation
Institute of Physics, University of Tartu, Tartu, 51014, Estonia

Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Sherman, A. V.; Коршунов, Максим Михайлович
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