Effect of electron-phonon interaction on optical properties in one-dimensional mott insulators

Takami Tohyama, Hiroaki Matsueda

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Interplay of strong electron correlation and electron-phonon interaction is one of important issues in the physics of low dimensional correlated electron systems. In order to understand the interplay, we examine the optical properties of the one-dimensional (ID) Hubbard-Holstein model at half-filling, by employing the dynamical density matrix renormalization group (DMRG) technique. We discuss the effect of the electron-phonon interaction on the single-particle spectral function and the optical absorption spectrum. The dynamical DMRG data are compared with experimental data of ID copper oxide Mott insulators.

Original languageEnglish
Pages (from-to)165-181
Number of pages17
JournalProgress of Theoretical Physics Supplement
Issue number176
DOIs
Publication statusPublished - 2008

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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