Rao, M. ; Krishnamurthy, H. R. ; Pandit, Rahul (1989) Hysteresis in model spin systems Journal of Physics: Condensed Matter, 1 (45). pp. 9061-9066. ISSN 0953-8984
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Official URL: http://iopscience.iop.org/0953-8984/1/45/030
Related URL: http://dx.doi.org/10.1088/0953-8984/1/45/030
Abstract
The authors study the hysteretic response of model spin systems to periodic time-varying fields H(t) as a function of the amplitude H0 and the frequency Omega . At fixed H0, they find conventional, squarish hysteresis loops at low Omega , and rounded, roughly elliptical loops at high Omega , in agreement with experiment. For the O(N to infinity ), d=3, ( Phi 2)2 model with Langevin dynamics, they find a novel scaling behaviour for the area A of the hysteresis loop, of the form (valid for low fields) A approximately=H0066 Omega 0.33.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics Publishing. |
| ID Code: | 17567 |
| Deposited On: | 16 Nov 2010 09:32 |
| Last Modified: | 15 Jul 2012 09:56 |
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