Dilution effects in classical and quantum orbital systems

T. Tanaka; M. Matsumoto; S. Ishihara

doi:10.1016/j.jmmm.2006.10.133

Dilution effects in classical and quantum orbital systems

T. Tanaka, M. Matsumoto, S. Ishihara

SCI - Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We examine the dilution effects in an orbital model, termed the orbital compass model, which corresponds to the two-dimensional version of the e_g-orbital model. An unconventional low-dimensional orbital alignment termed the directional order is confirmed to be realized by utilizing the quantum Monte-Carlo method. Impurity dependence of the ordering temperature of the directional order is numerically examined. We show that the quantum effect makes the directional order robust against doping of impurities.

Original language	English
Pages (from-to)	804-806
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	310
Issue number	2 SUPPL. PART 1
DOIs	https://doi.org/10.1016/j.jmmm.2006.10.133
Publication status	Published - 2007 Mar

Keywords

Dilution effect
Orbital order
Quantum Monte-Carlo simulation

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/j.jmmm.2006.10.133

Cite this

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title = "Dilution effects in classical and quantum orbital systems",

abstract = "We examine the dilution effects in an orbital model, termed the orbital compass model, which corresponds to the two-dimensional version of the eg-orbital model. An unconventional low-dimensional orbital alignment termed the directional order is confirmed to be realized by utilizing the quantum Monte-Carlo method. Impurity dependence of the ordering temperature of the directional order is numerically examined. We show that the quantum effect makes the directional order robust against doping of impurities.",

keywords = "Dilution effect, Orbital order, Quantum Monte-Carlo simulation",

author = "T. Tanaka and M. Matsumoto and S. Ishihara",

note = "Funding Information: This work was supported by Grant-in-Aid for Scientific Research, JSPS KAKENHI (16340094, 16104005) and TOKUTEI ”High Field Spin Science in 100T” (No.451, 18044001) from MEXT, NAREGI, and CREST. ",

year = "2007",

month = mar,

doi = "10.1016/j.jmmm.2006.10.133",

language = "English",

volume = "310",

pages = "804--806",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

publisher = "Elsevier",

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TY - JOUR

T1 - Dilution effects in classical and quantum orbital systems

AU - Tanaka, T.

AU - Matsumoto, M.

AU - Ishihara, S.

N1 - Funding Information: This work was supported by Grant-in-Aid for Scientific Research, JSPS KAKENHI (16340094, 16104005) and TOKUTEI ”High Field Spin Science in 100T” (No.451, 18044001) from MEXT, NAREGI, and CREST.

PY - 2007/3

Y1 - 2007/3

N2 - We examine the dilution effects in an orbital model, termed the orbital compass model, which corresponds to the two-dimensional version of the eg-orbital model. An unconventional low-dimensional orbital alignment termed the directional order is confirmed to be realized by utilizing the quantum Monte-Carlo method. Impurity dependence of the ordering temperature of the directional order is numerically examined. We show that the quantum effect makes the directional order robust against doping of impurities.

AB - We examine the dilution effects in an orbital model, termed the orbital compass model, which corresponds to the two-dimensional version of the eg-orbital model. An unconventional low-dimensional orbital alignment termed the directional order is confirmed to be realized by utilizing the quantum Monte-Carlo method. Impurity dependence of the ordering temperature of the directional order is numerically examined. We show that the quantum effect makes the directional order robust against doping of impurities.

KW - Dilution effect

KW - Orbital order

KW - Quantum Monte-Carlo simulation

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U2 - 10.1016/j.jmmm.2006.10.133

DO - 10.1016/j.jmmm.2006.10.133

M3 - Article

AN - SCOPUS:33847248508

VL - 310

SP - 804

EP - 806

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

IS - 2 SUPPL. PART 1

ER -

Dilution effects in classical and quantum orbital systems

Abstract

Keywords

ASJC Scopus subject areas

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