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Diana Thongjaomayum
복잡계 이론물리 연구단
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Critical hysteresis on dilute triangular lattice

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Title
Critical hysteresis on dilute triangular lattice
Author(s)
Diana Thongjaomayum; Prabodh Shukla
Publication Date
2019-06
Journal
PHYSICAL REVIEW E, v.99, no.6, pp.062136 -
Publisher
AMERICAN PHYSICAL SOCIETY
Abstract
Critical hysteresis in the zero-temperature random-field Ising model on a two-dimensional triangular lattice was studied earlier with site dilution on one sublattice. It was reported that criticality vanishes if less than one- third of the sublattice is occupied. This appears at variance with recently obtained exact solutions of the model on dilute Bethe lattices and prompts us to revisit the problem using an alternate numerical method. Contrary to our speculation that criticality may not be exactly zero below one-third dilution, the present study indicates it is nearly zero if approximately less than two-thirds of the sublattice is occupied. This suggests that hysteresis on dilute periodic lattices is qualitatively different from that on dilute Bethe lattices. Possible reasons are discussed briefly. ©2019 American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/6171
ISSN
2470-0045
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Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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