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Halboth CJ, Metzner W. d-wave superconductivity and pomeranchuk instability in the two-dimensional hubbard model. Phys Rev Lett. 2000;85(24):5162-5doi: 10.1103/PhysRevLett.85.5162.
Halboth, C. J., & Metzner, W. (2000). d-wave superconductivity and pomeranchuk instability in the two-dimensional hubbard model. Physical review letters, 85(24), 5162-5. https://doi.org/10.1103/PhysRevLett.85.5162
Halboth, and Metzner. "d-wave superconductivity and pomeranchuk instability in the two-dimensional hubbard model." Physical review letters vol. 85,24 (2000): 5162-5. doi: https://doi.org/10.1103/PhysRevLett.85.5162
Halboth CJ, Metzner W. d-wave superconductivity and pomeranchuk instability in the two-dimensional hubbard model. Phys Rev Lett. 2000 Dec 11;85(24):5162-5. doi: 10.1103/PhysRevLett.85.5162. PMID: 11102211.
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Phys Rev Lett. 2000 Dec 11;85(24):5162-5. doi: 10.1103/PhysRevLett.85.5162.

d-wave superconductivity and pomeranchuk instability in the two-dimensional hubbard model.

Physical review letters

Halboth, Metzner

Affiliations

  1. Institut fur Theoretische Physik C, Technische Hochschule Aachen, Templergraben 55, D-52056 Aachen, Germany.

PMID: 11102211 DOI: 10.1103/PhysRevLett.85.5162

Abstract

We present a systematic stability analysis for the two-dimensional Hubbard model, which is based on a new renormalization group method for interacting Fermi systems. The flow of effective interactions and susceptibilities confirms the expected existence of a d-wave pairing instability driven by antiferromagnetic spin fluctuations. More unexpectedly, we find that strong forward scattering interactions develop which may lead to a Pomeranchuk instability breaking the tetragonal symmetry of the Fermi surface.

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