Time-dependent correlations for axially symmetric infinite-range spin Hamiltonians
- 1 February 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 31 (3) , 1559-1564
- https://doi.org/10.1103/physrevb.31.1559
Abstract
The time-correlation functions 〈s(t)s(0)〉 and 〈s(t)s(0)〉 are evaluated for an arbitrary infinite-range axially symmetric Hamiltonian with an arbitrary elementary spin. The behavior above the critical temperature as well as that for the three possible types of ordered phases (XY-like, intermediate, and Ising-like) is presented. Some physical consequences are discussed.
Keywords
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