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cond-mat.dis-nn2011★ 17 cited
Analysis of wasp-waisted hysteresis loops in magnetic rocks
R S Kharwanlang, Prabodh Shukla
The random-field Ising model of hysteresis is generalized to dilute magnets and solved on a Bethe lattice. Exact expressions for the major and minor hysteresis loops are obtained.…
cond-mat.dis-nn2010★ 16 cited
Critical Hysteresis in Random Field XY and Heisenberg Models
Prabodh Shukla, R S Kharwanlang
We study zero-temperature hysteresis in random-field XY and Heisenberg models in the zero-frequency limit of a cyclic driving field. We consider three distributions of the random f…