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Phys. Rev. Lett. 87, 276405 (2001) [4 pages]

Deconfinement Transition and Luttinger to Fermi Liquid Crossover in Quasi-One-Dimensional Systems

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S. Biermann1,2, A. Georges2,1, A. Lichtenstein3, and T. Giamarchi1,2
1Laboratoire de Physique des Solides, CNRS-UMR 8502, UPS Bâtiment 510, 91405 Orsay, France
2LPTENS CNRS UMR 8549, 24, rue Lhomond, 75231 Paris Cedex 05, France
3University of Nijmegen, NL-6525 ED Nijmegen, The Netherlands

Received 31 July 2001; published 13 December 2001

We investigate a system of one-dimensional Hubbard chains of interacting fermions coupled by interchain hopping. Using a generalization of the dynamical mean-field theory we study the deconfinement transition from a Mott insulator to a metal and the crossover between Luttinger and Fermi liquid phases. One-particle properties, local spin response, and interchain optical conductivity are calculated. Possible applications to organic conductors are discussed.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.87.276405
DOI:
10.1103/PhysRevLett.87.276405
PACS:
71.10.Pm, 71.10.Hf, 71.27.+a, 71.30.+h