Superconductivity in the two-band Hubbard model
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Koga, Akihisa
Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
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Werner, Philipp
Department of Physics, University of Fribourg, Switzerland
Published in:
- Physical Review B. - 2015, vol. 91, no. 8, p. 085108
English
We study the two-band Hubbard model in infinite dimensions by solving the dynamical mean-field equations with a strong coupling continuous-time quantum Monte Carlo method and show that an s-wave superconducting state can be stabilized in the repulsively interacting case. We discuss how this superconducting state competes with the metallic and paired Mott states. The effects of the Hund coupling and crystalline electric field are also addressed.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Physique
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Language
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Classification
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Physics
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/304385
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