One-Dimensional Electron-Phonon Systems: Mott- Versus Peierls-Insulators

Holger Fehske, Gerhard Wellein, Arno P. Kampf, Michael Sekania, Georg Hager, Alexander Weiße, Helmut Büttner and Alan R. Bishop
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Holger Fehske: Universität Greifswald, Institut für Physik
Gerhard Wellein: Universität Erlangen, Regionales Rechenzentrum Erlangen
Arno P. Kampf: Universität Augsburg, Institut für Physik
Michael Sekania: Universität Augsburg, Institut für Physik
Georg Hager: Universität Erlangen, Regionales Rechenzentrum Erlangen
Alexander Weiße: Universität Bayreuth, Physikalisches Institut
Helmut Büttner: Universität Bayreuth, Physikalisches Institut
Alan R. Bishop: Los Alamos National Laboratory, Theoretical Division and Center for Nonlinear Studies

A chapter in High Performance Computing in Science and Engineering, Munich 2002, 2003, pp 339-349 from Springer

Abstract: Abstract We analyze ground state and spectral properties of the one-dimensional half-filled Holstein Hubbard model with respect to the Peierls-insulator to Mott-insulator transition, exploiting Lanczos diagonalization, density matrix renormal-ization, kernel polynomial expansion, and maximum entropy methods on the Hitachi SR8000-F1 supercomputer.

Keywords: Hubbard Model; Optical Conductivity; Adiabatic Limit; Density Matrix Renormalization Group; Band Insulator (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-55526-8_27

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DOI: 10.1007/978-3-642-55526-8_27

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