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Onsager-Zerlegung und Entropieproduktion für einen Defektspin in der linearen Spinkette mitX-Y-Kopplung

Onsager separation and entropy production for an impurity spin in the linear spin chain withX-Y-coupling

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Zeitschrift für Physik A Hadrons and nuclei

Abstract

The autocorrelation function of an impurity spin in an infinite chain of spins withX-Y-coupling in thermal equilibrium is shown to be an example of “Onsager separation”. This separability ensures that the statistical entropy production associated with the impurity spin relaxation contains a phenomenological part which proves to be always positive.

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  1. Institut für Theoretische Physik der Rheinisch-Westfälischen Technischen Hochschule Aachen, Deutschland

    H. K. Janssen

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  1. H. K. Janssen
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Janssen, H.K. Onsager-Zerlegung und Entropieproduktion für einen Defektspin in der linearen Spinkette mitX-Y-Kopplung. Z. Physik 248, 167–176 (1971). https://doi.org/10.1007/BF01395354

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  • DOI: https://doi.org/10.1007/BF01395354

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