Bosonization of dimerized Hubbard chains

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The role of Klein factors is investigated for the bosonized Hamiltonian of the dimerized Hubbard model. Contrary to previous approaches we take into account their number changing property, i.e. we do not replace them by Majorana fermions. We show how to treat Klein factors in the framework of the self-consistent harmonic approximation, both for finite systems and in the thermodynamic limit.
7 pages; Proceedings ICTP 2004, Ustron, Poland

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Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/98734

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0411315
 http://arxiv.org/abs/cond-mat/0411315
 physica status solidi (b) 242, 245 (2005)
 doi:10.1002/pssb.200460041

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