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Computational demonstrations of density wave of Cooper pairs and paired-electron liquid in the quarter-filled band-A brief review.
Mazumdar, Sumit; Torsten Clay, R.
Afiliación
  • Mazumdar S; Department of Physics, University of Arizona Tucson, Tucson, Arizona 85721, USA.
  • Torsten Clay R; Department of Physics and Astronomy and HPC2, Center for Computational Sciences, Mississippi State University, Mississippi State, Mississippi 39762, USA.
Chaos ; 34(7)2024 Jul 01.
Article en En | MEDLINE | ID: mdl-38990964
ABSTRACT
There has been strong interest recently in the so-called Cooper pair density wave, subsequent to the proposition that such a state occurs in the hole-doped cuprate superconductors. As of now, there is no convincing demonstration of such a state in the cuprate theoretical literature. We present here a brief but complete review of our theoretical and computational work on the paired-electron crystal (PEC), which has also been experimentally seen in the insulating phase proximate to superconductivity (SC) in organic charge-transfer solid (CTS) superconductors. Within our theory, SC in the CTS does indeed evolve from the PEC. A crucial requirement for the finding of the PEC is that the proper carrier density of one charge carrier per two sites is taken into consideration at the outset. Following the discussion of CTS superconductors, we briefly discuss how the theory can be extended to understand the phase diagram of the cuprate superconductors that has remained mysterious after nearly four decades of the discovery of SC in this family.

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chaos Asunto de la revista: CIENCIA Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chaos Asunto de la revista: CIENCIA Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos