Density waves in strongly correlated quantum chains |
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| Authors: | Martin Hohenadler Holger Fehske |
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| Affiliation: | 1.Institut für Theoretische Physik und Astrophysik, Universit?t Würzburg,Würzburg,Germany;2.Institut für Theoretische Physik, Ernst-Moritz-Arndt-Universit?t Greifswald,Greifswald,Germany |
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| Abstract: | We review exact numerical results for one-dimensional quantum systems with half-filled bands. The topics covered include Peierls transitions in Holstein, Fröhlich, Su-Schrieffer-Heeger, and Heisenberg models with quantum phonons, competing fermion-boson and fermion-fermion interactions, as well as symmetry-protected topological states in fermion and anyon models. |
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