Quantum critical transition from charge-ordered to superconducting state in the negative- U extended Hubbard model on a triangular lattice

S. Mazumdar; R. T. Clay

doi:10.1103/PhysRevB.77.180515

Quantum critical transition from charge-ordered to superconducting state in the negative- U extended Hubbard model on a triangular lattice

S. Mazumdar, R. T. Clay

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

We demonstrate a robust frustration-driven charge order to superconductivity transition in the half-filled negative- U extended Hubbard model. Superconductivity extends over a broad region of the parameter space. We argue that the model provides the correct insight to understanding unconventional superconductivity in the organic charge-transfer solids and other quarter-filled systems.

Original language	English (US)
Article number	180515
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	77
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.77.180515
State	Published - May 23 2008

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.77.180515

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abstract = "We demonstrate a robust frustration-driven charge order to superconductivity transition in the half-filled negative- U extended Hubbard model. Superconductivity extends over a broad region of the parameter space. We argue that the model provides the correct insight to understanding unconventional superconductivity in the organic charge-transfer solids and other quarter-filled systems.",

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AB - We demonstrate a robust frustration-driven charge order to superconductivity transition in the half-filled negative- U extended Hubbard model. Superconductivity extends over a broad region of the parameter space. We argue that the model provides the correct insight to understanding unconventional superconductivity in the organic charge-transfer solids and other quarter-filled systems.

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Quantum critical transition from charge-ordered to superconducting state in the negative- U extended Hubbard model on a triangular lattice

Abstract

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