Effect of the three-center terms on the chiral superconducting d-wave pairing of the Hubbard fermions on the triangular lattice

Описание

Тип публикации: статья из журнала

Год издания: 2017

Идентификатор DOI: 10.1016/j.jmmm.2016.12.085

Ключевые слова: Chiral order parameter, Superconductivity, Triangular lattice, Magnetic materials, Magnetism, Critical concentration, D-wave pairing, Hubbard, Hubbard operators, nocv1, Order parameter, Superconducting phase, V-model, Integral equations

Аннотация: Using the diagram technique for the Hubbard operators an integral equation that determines the order parameter of the superconducting phase ?(p) was obtained in the framework of t-J-V and t-J*-V models on triangular lattice. It is shown that there are two scenarios of formation of superconducting phase with gapless spectrum at the Показать полностьюcritical concentration of carriers x c. The effect of three-center terms on implementation of this phase was also considered. © 2016 Elsevier B.V.

Ссылки на полный текст

Издание

Журнал: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS

Выпуск журнала: Vol. 440

Номера страниц: 129-132

ISSN журнала: 03048853

Место издания: AMSTERDAM

Издатель: ELSEVIER SCIENCE BV

Авторы

  • Val'kov V.V. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia)
  • Val'kova T.A. (Siberian Fed Univ, Krasnoyarsk 660041, Russia)
  • Mitskan V.A. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia; Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia)

Вхождение в базы данных