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Special Issues
Secondary Phase Transition of Ising Model
American Journal of Modern Physics
Volume 3, Issue 4, July 2014, Pages: 178-183
Received: Jul. 18, 2014; Accepted: Jul. 29, 2014; Published: Aug. 10, 2014
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You-Gang Feng, College of Science, Guizhou University, Huaxi, Guiyang, 550025 China
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Lttice-spin phonons are considered, which make the heat capacity at the critical temperature satisfy experimental observations better. There is a BEC phase transition in an Ising model attributable to the lattice-spin phonons. We proved that the spin-wave theory only is available after BEC transition, and the magnons have the same characteristics as the lattice-spin phonons’, resulting from quantum effect. Energy-level overlap effect at ultra-low temperature is found. A prediction of BEC phase transition in a crystal is put forward as our theory generalization.
Ising Model, Magnetization, Heat Capacity, BEC, Spin-Wave Theory
To cite this article
You-Gang Feng, Secondary Phase Transition of Ising Model, American Journal of Modern Physics. Vol. 3, No. 4, 2014, pp. 178-183. doi: 10.11648/j.ajmp.20140304.15
You-gang Feng 2011 arxiv:1111.2233
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