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Spin relaxation in terms of thermo field dynamics

โœ Scribed by T. Tominaga; M. Ban; T. Arimitsu; J. Pradko; H. Umezawa


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
899 KB
Volume
149
Category
Article
ISSN
0378-4371

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โœฆ Synopsis


An axiomatic formulation of the therm0 field dynamics (TFD) for spin systems is performed. and is applied to the relaxation process of single spin-1. The spin relaxation accompanied with a change of symmetry of the system is also investigated.

The time evolution of an order parameter is obtained within the semi-free approximation.


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