Partial disorder in an Ising-spin Kondo lattice model on a triangular lattice release_dt6mayvqhfez5j2lgldopshiwi

by Hiroaki Ishizuka, Yukitoshi Motome

Released as a article .

2012  

Abstract

Phase diagram of an Ising-spin Kondo lattice model on a triangular lattice near 1/3-filling is investigated by Monte Carlo simulation. We identify a partially disordered phase with coexistence of magnetic order and paramagnetic moments, which was unstable in two-dimensional Ising models with localized spins only. The partial disorder emerges in the competing regime between a twosublattice stripe phase and three-sublattice ferrimagnetic phase, at finite temperatures above an electronic phase separation. The peculiar magnetic structure accompanies a charge order and develops a gap in the electronic structure. The results manifest a crucial role of the nonperturbative interplay between spin and charge degrees of freedom in stabilizing the partial disorder.
In text/plain format

Archived Files and Locations

application/pdf  536.1 kB
file_rb4fzkdzpfbt5pe4e4zdt4qv6a
arxiv.org (repository)
web.archive.org (webarchive)
application/pdf  534.0 kB
file_tvuwabizjbdppibnxuagwg2jvi
archive.org (archive)
Read Archived PDF
Preserved and Accessible
Type  article
Stage   submitted
Date   2012-05-22
Version   v1
Language   en ?
arXiv  1205.4826v1
Work Entity
access all versions, variants, and formats of this works (eg, pre-prints)
Catalog Record
Revision: f7133c47-13bc-4719-b447-bec1cc459df3
API URL: JSON