Phys. Rev. B 73, 085105 (2006) [6 pages]
Quantum phase transition in the one-dimensional extended Peierls-Hubbard model
Abstract
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Citing Articles
H. Benthien, 1 F. H. L. Essler, 2 and A. Grage11Fachbereich Physik, Philipps-Universität Marburg, D-35032 Marburg, Germany
2The Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Oxford OX1 3NP, United Kingdom
Received 26 September 2005; published 10 February 2006
We consider the one-dimensional extended Hubbard model in the presence of an explicit dimerization . For a sufficiently strong nearest neighbor repulsion we establish the existence of a quantum phase transition between a mixed bond-order wave and charge-density wave phase from a pure bond-order wave phase. This phase transition is in the universality class of the two-dimensional Ising model.
©2006 The American Physical Society
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