1996/02/15 by Johannes Voit, Voit, Johannes · 1 citation
Materials Science · Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Condensed Matter (cond-mat) #FOS: Physical sciences #Organic and Molecular Conductors Research #Physics of Superconductivity and Magnetism #cond-mat
paper · pdf · doi:10.48550/arxiv.cond-mat/9602087
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arxiv created 1996/02/15 · openalex publication_date 1996/02/15 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We calculate the spectral function of the Luther-Emery model which describes one-dimensional fermions with gapless charge and gapped spin degrees of freedom. We find a true singularity with interaction dependent exponents on the gapped spin dispersion and a finite maximum depending on the magnitude of the spin gap, on a shifted charge dispersion. We apply these results to photoemission experiments on charge density wave systems and discuss the spectral properties of a one-dimensional Mott insulator.