Dattagupta, S. ; Mahanti , S. D. (1998) Theory of relaxation of magnetic clusters in a Stern-Gerlach setup Physical Review B: Condensed Matter and Materials Physics, 57 (17). pp. 10244-10247. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v57/i17/p10244_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.57.10244
Abstract
We use a stochastic theory approach to discuss different scenarios such as "locked moment" and "superparamagnetic" behavior of magnetic clusters seen in Stern-Gerlach (SG) experiments. A dimensionless parameter λTE (where λ is an internal spin relaxation rate and TE is the time spent by the cluster in the field gradient region) and the initial polarization of the cluster moment are shown to determine sensitively the position of the cluster beam on the SG screen.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 9133 |
| Deposited On: | 29 Oct 2010 11:33 |
| Last Modified: | 28 May 2011 11:50 |
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