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Optical conductivity of one-dimensional Mott insulators

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UNSPECIFIED (2001) Optical conductivity of one-dimensional Mott insulators. PHYSICAL REVIEW LETTERS, 86 (4). pp. 680-683.

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Abstract

We calculate the optical conductivity of one-dimensional Mott insulators at low energies using a field theory description. The square root singularity at the optical gap, characteristic of band insulators, is generally absent and appears only at the Luther-Emery point. We also show that only few particle processes contribute significantly to the optical conductivity over a wide range of frequencies and that the bare perturbative regime is recovered only at very large energies. We discuss possible applications of our results to quasi-one-dimensional organic conductors. DOI: 10.1103/PhysRevLett.86.680.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Journal or Publication Title: PHYSICAL REVIEW LETTERS
Publisher: AMERICAN PHYSICAL SOC
ISSN: 0031-9007
Official Date: 22 January 2001
Dates:
DateEvent
22 January 2001UNSPECIFIED
Volume: 86
Number: 4
Number of Pages: 4
Page Range: pp. 680-683
Publication Status: Published

Data sourced from Thomson Reuters' Web of Knowledge

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