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The finite group velocity of quantum spin systems

✍ Scribed by Elliott H. Lieb; Derek W. Robinson

Publisher
Springer
Year
1972
Tongue
English
Weight
360 KB
Volume
28
Category
Article
ISSN
0010-3616

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πŸ“œ SIMILAR VOLUMES

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## Abstract Numerical calculations are presented for very small spin systems with free surfaces. Both Ising and classical Heisenberg spin systems are considered. The effect of the smallness on the phase transition of the system is investigated. The results can be discussed in terms of the analysis

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An extension of the quantum mechanical central limit theorem provides a linear continuum model of the quantum fluctuations near a stable pumped state of a discrete atomic model such as the Dicke Hepp Lieb maser model. This procedure can be reversed to select an appropriate atomic model whose limit g