Formation of d-wave superconducting order in a randomly doped lattice

Статьи, посвященные столетию со дня рождения Л. В. Шубникова

Автор(и)

  • V. M. Loktev Bogolyubov Institute for Theoretical Physics of the National Academy of Science of Ukraine 14b, Metrologichna Str., Kiev, 03143, Ukraine
  • Yu. G. Pogorelov Bogolyubov Institute for Theoretical Physics of the National Academy of Science of Ukraine 14b, Metrologichna Str., Kiev, 03143, Ukraine

Ключові слова:

PACS: 71.55.-i, 74.20.-z, 74.20.Fg, 74.62.Dh, 74.72.-h

Анотація

We consider the interplay between superconducting coupling and dopant impurity scattering of charge carriers in planar square lattice systems and examine the physical conditions (doping level, temperature, local symmetry of coupling and scattering potentials) necessary in this model system to obtain a d-wave superconducting order, like that observed in real doped cuprate HTSC materials. Using the Lifshitz model for the disorder introduced into system by dopants, we analyze also the nonuniform structure of such a d-wave parameter, including both its magnitude and phase variation. The results indicate that d-wave superconductivity becomes possible in a doped metal until it is destroyed at too high doping levels.

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Опубліковано

2001-10-10

Як цитувати

(1)
Loktev, V. M.; Pogorelov, Y. G. Formation of d-Wave Superconducting Order in a Randomly Doped Lattice: Статьи, посвященные столетию со дня рождения Л. В. Шубникова. Fiz. Nizk. Temp. 2001, 27, 1039-1052.

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