Magnetic susceptibility of the double-exchange model

R. S. Fishman; M. Jarrell

doi:10.1103/PhysRevB.67.100403

Magnetic susceptibility of the double-exchange model

R. S. Fishman, M. Jarrell

Materials Theory

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

12 Scopus citations

Abstract

A unified treatment is provided for the local-moment, electronic, and cross terms in the magnetic susceptibility (formula presented) of the double-exchange model within the dynamical mean-field theory. All contributions diverge at the same critical temperature (formula presented) which may be calculated analytically for large (formula presented) and a semi-circular density-of-states. Close to (formula presented) the Curie constant deviates significantly from the result expected for a local-moment system.

Original language	English
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	67
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.67.100403
State	Published - Mar 19 2003

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10.1103/PhysRevB.67.100403

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title = "Magnetic susceptibility of the double-exchange model",

abstract = "A unified treatment is provided for the local-moment, electronic, and cross terms in the magnetic susceptibility (formula presented) of the double-exchange model within the dynamical mean-field theory. All contributions diverge at the same critical temperature (formula presented) which may be calculated analytically for large (formula presented) and a semi-circular density-of-states. Close to (formula presented) the Curie constant deviates significantly from the result expected for a local-moment system.",

author = "Fishman, {R. S.} and M. Jarrell",

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AU - Fishman, R. S.

AU - Jarrell, M.

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N2 - A unified treatment is provided for the local-moment, electronic, and cross terms in the magnetic susceptibility (formula presented) of the double-exchange model within the dynamical mean-field theory. All contributions diverge at the same critical temperature (formula presented) which may be calculated analytically for large (formula presented) and a semi-circular density-of-states. Close to (formula presented) the Curie constant deviates significantly from the result expected for a local-moment system.

AB - A unified treatment is provided for the local-moment, electronic, and cross terms in the magnetic susceptibility (formula presented) of the double-exchange model within the dynamical mean-field theory. All contributions diverge at the same critical temperature (formula presented) which may be calculated analytically for large (formula presented) and a semi-circular density-of-states. Close to (formula presented) the Curie constant deviates significantly from the result expected for a local-moment system.

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DO - 10.1103/PhysRevB.67.100403

M3 - Article

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SN - 1098-0121

VL - 67

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 10

ER -

Magnetic susceptibility of the double-exchange model

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