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Phase Transition of a Distance-Dependent Ising Model on the Barabasi--Albert Network |
| DAI Jun1;HE Da-Ren2 |
| 1College of Mathematics and Physics, Jiangsu University of Science and Technology of China, Zhenjiang 2120032College of Physics Science and Technology, Yangzhou University of China, Yangzhou 225002 |
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| Cite this article: |
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DAI Jun, HE Da-Ren 2007 Chin. Phys. Lett. 24 3355-3357 |
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Abstract We report our investigation on the behaviour of distance-dependent Ising models, which are located on the BA model network. The interaction strength between two nodes (the spins) is considered to obey an exponential decay dependence on the geometrical distance. The Monte Carlo simulation shows a phase transition from ferromagnetism to paramagnetism, and the critical
temperature approaches a constant temperature as the interaction decaying exponent increases.
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| Keywords:
05.90.+m
75.10.Hk
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Received: 28 July 2007
Published: 03 December 2007
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| PACS: |
05.90.+m
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(Other topics in statistical physics, thermodynamics, and nonlinear dynamical systems)
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75.10.Hk
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(Classical spin models)
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[11]http://www.hmi.de/bensc/instrumentation/instrumente/v14/v14\_{en.htm |
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