Banerjee, Varsha ; Das, Subir K. ; Puri, Sanjay (2005) Hysteresis and magnetization jumps in the T=0 dynamics of spin glasses Physical Review E - Statistical, Nonlinear and Soft Matter Physics, 71 (2). 026105_1-026105_6. ISSN 1539-3755
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Official URL: http://pre.aps.org/abstract/PRE/v71/i2/e026105
Related URL: http://dx.doi.org/10.1103/PhysRevE.71.026105
Abstract
We present results from Monte Carlo simulations of hysteresis in the zero-temperature (T=0) dynamics of the Sherrington-Kirkpatrick spin glass model. We study the statistics of magnetization-jumps (denoted as Δm) in response to a time-dependent magnetic field H(t), which increases or decreases with constant increments Δ as H(t)→H(t)±Δ. In particular, we focus on the field dependence of the Δm-0distribution function P(Δm,H). We formulate arguments to understand the variation of P(Δm,H) along the hysteresis loop in the weak-disorder limit.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 36330 |
| Deposited On: | 25 Apr 2011 07:19 |
| Last Modified: | 25 Apr 2011 07:19 |
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