Spin density wave driven by quadrupolar Kondo effect in two-channel Kondo lattice

Shintaro Hoshino; Junya Otsuki; Yoshio Kuramoto

doi:10.1143/JPSJS.80SA.SA135

Spin density wave driven by quadrupolar Kondo effect in two-channel Kondo lattice

Shintaro Hoshino, Junya Otsuki, Yoshio Kuramoto

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

2 Citations (Scopus)

Abstract

A new type of magnetism is found in the two-channel Kondo lattice where each non-Kramers doublet is coupled with two conduction bands by the orbital exchange J. The quadrupolar Kondo effect leads to an SDW state in the case of quarter filled bands, i.e., one conduction electron per site. This order is understood from the strong coupling limit with respect to J. Using the continuous-time Monte Carlo method combined with the DMFT at finite temperature T, the phase diagram is constructed in the J-T plane for the quarter filled case.

Original language	English
Article number	SA135
Journal	journal of the physical society of japan
Volume	80
Issue number	SUPPL. A
DOIs	https://doi.org/10.1143/JPSJS.80SA.SA135
Publication status	Published - Jul 2011
Externally published	Yes

Keywords

Continuous-time quantum monte carlo method
Dynamical mean-field theory
Quadrupolar Kondo effect
Quarter filling
Spin density wave

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "A new type of magnetism is found in the two-channel Kondo lattice where each non-Kramers doublet is coupled with two conduction bands by the orbital exchange J. The quadrupolar Kondo effect leads to an SDW state in the case of quarter filled bands, i.e., one conduction electron per site. This order is understood from the strong coupling limit with respect to J. Using the continuous-time Monte Carlo method combined with the DMFT at finite temperature T, the phase diagram is constructed in the J-T plane for the quarter filled case.",

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AU - Hoshino, Shintaro

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AU - Kuramoto, Yoshio

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N2 - A new type of magnetism is found in the two-channel Kondo lattice where each non-Kramers doublet is coupled with two conduction bands by the orbital exchange J. The quadrupolar Kondo effect leads to an SDW state in the case of quarter filled bands, i.e., one conduction electron per site. This order is understood from the strong coupling limit with respect to J. Using the continuous-time Monte Carlo method combined with the DMFT at finite temperature T, the phase diagram is constructed in the J-T plane for the quarter filled case.

AB - A new type of magnetism is found in the two-channel Kondo lattice where each non-Kramers doublet is coupled with two conduction bands by the orbital exchange J. The quadrupolar Kondo effect leads to an SDW state in the case of quarter filled bands, i.e., one conduction electron per site. This order is understood from the strong coupling limit with respect to J. Using the continuous-time Monte Carlo method combined with the DMFT at finite temperature T, the phase diagram is constructed in the J-T plane for the quarter filled case.

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KW - Dynamical mean-field theory

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KW - Spin density wave

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Spin density wave driven by quadrupolar Kondo effect in two-channel Kondo lattice

Abstract

Keywords

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