Shrivastav, Gaurav P. ; Krishnamoorthy, Siddharth ; Banerjee, Varsha ; Puri, Sanjay (2011) Scattering properties of paramagnetic ground states in the three-dimensional random-field ising model Europhysics Letters, 96 (3). p. 36003. ISSN 0295-5075
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Official URL: http://epljournal.edpsciences.org/index.php?option...
Related URL: http://dx.doi.org/10.1209/0295-5075/96/36003
Abstract
We study the ground-state (T = 0) morphologies in the d = 3 random-field Ising model (RFIM) using a computationally efficient graph-cut method. We focus on paramagnetic states which arise for disorder strengths Δ > Δc, where Δc is the critical disorder strength at T = 0. These paramagnetic states consist of correlated "domains" of up and down spins which are separated by rough, fractal interfaces. They show novel scattering properties with a cusp singularity in the correlation function at short distances.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to EDP Sciences. |
| ID Code: | 96122 |
| Deposited On: | 05 Dec 2012 06:49 |
| Last Modified: | 05 Dec 2012 06:50 |
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