Slow Relaxation Process in Ising like Heisenberg Kagome Antiferromagnets due to Macroscopic Degeneracy in the Ordered State

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We study relaxation phenomena in the ferromagnetically ordered state of the Ising-like Heisenberg kagome antiferromagnets. We introduce the "weathervane loop" in order to characterize macroscopic degenerate ordered states and study the microscopic mechanism of the slow relaxation from a view point of the dynamics of the weathervane loop configuration. This mechanism may give a possible origin of the slow relaxation reported in recent experiments.
6pages, 4figures, HFM2006 proceedings

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Statistical Mechanics

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http://salesiana.dossiersoluciones.com/handle/123456789/126143

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0606801
 http://arxiv.org/abs/cond-mat/0606801
 J. Phys.: Condens. Matter 19 145256 (2007)
 doi:10.1088/0953-8984/19/14/145256

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