Bratteli, O. / Robinson, D. W., Operator Algebras and Quantum Statistical Mechanics II. Equilibrium States. Models in Quantum Mechanics. Texts and Monographs in Physics. Berlin-Heidelberg-New York, Springer-Verlag 1981. XI, 505 S., DM 86,–. US $ 41.00. ISBN 3-540-10381-3

Author(s):  
H. Baumgärtel
1996 ◽  
Vol 10 (15) ◽  
pp. 723-730
Author(s):  
Z. HABA

We distinguish a class of quantum systems (trigonometric and hyperbolic potentials) with an additional constant of motion unrelated to any symmetry. The various quantum constants of motion result from non-uniqueness of the quantization procedure. We discuss equilibrium distributions in quantum statistical mechanics determined by the constants of motion.


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