Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2000-11-26
Physics
Condensed Matter
Strongly Correlated Electrons
17 pages, 5 figures, to appear in the proceedings of the NATO ASI/EC summer school "New Theoretical Approaches to Strongly Cor
Scientific paper
At low energies the charge sector of one dimensional Mott insulators can be described in terms of a quantum Sine-Gordon model. Using exact results derived from integrability it is possible to determine dynamical properties like the frequency dependent optical conductivity. We compare the exact results to perturbation theory and renormalisation group calculations. We also discuss the application of our results to experiments on quasi-1D organic conductors.
Controzzi Davide
Essler Fabian H. L.
Tsvelik Alexei M.
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