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Frustration-induced highly anisotropic magnetic patterns in the classical XY model on the kagome lattice

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Title
Frustration-induced highly anisotropic magnetic patterns in the classical XY model on the kagome lattice
Author(s)
Alexei Andreanov; Mikhail Fistul
Subject
PHASE-TRANSITIONS, ; COULOMB PHASE, ; MONOPOLES, ; VORTICES, ; DYNAMICS, ; DISORDER
Publication Date
2020-10
Journal
PHYSICAL REVIEW B, v.102, no.14, pp.140405
Publisher
AMER PHYSICAL SOC
Abstract
© 2020 American Physical Society. We predict and observe numerically highly anisotropic magnetic patterns in the classical frustrated model of planar XY spins on the regular kagome lattice. Frustration is introduced by a specific spatial arrangement of both ferromagnetic and antiferromagnetic bonds between adjacent magnetic moments on the lattice vertices. Defining a quantitative measure of frustration, we find that at a critical value of frustration, f=fc=3/4, the system displays a phase transition from an ordered ferromagnetic state to a frustrated regime featuring a highly degenerate ground state. In this frustrated regime, which extends for a finite range of frustrations fc
URI
https://pr.ibs.re.kr/handle/8788114/7582
DOI
10.1103/PhysRevB.102.140405
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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