Universal relaxational dynamics of gapped one dimensional models in the quantum sine-Gordon universality class

Abstract

A semiclassical approach to the low-temperature real time dynamics of generic one-dimensional, gapped models in the sine-Gordon model universality class is developed. Asymptotically exact universal results for correlation functions are obtained in the temperature regime T << Delta, where Delta is the energy gap.

4 pages, 1 figure

References in corpus (4)

• Spin dynamics and transport in gapped one-dimensional Heisenberg antiferromagnets at nonzero temperatures
• Low temperature relaxational dynamics of the Ising chain in a transverse field
• Haldane Gapped Spin Chains: Exact Low Temperature Expansions of Correlation Functions
• Spin transport properties of the quantum one-dimensional non-linear sigma model : an application to Haldane gap systems

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