Connection between charge fluctuations and the coherent temperature in the heavy-fermion system SmOs4Sb12: a {121, 123}Sb NQR study.

Connection between charge fluctuations and the coherent temperature in the heavy-fermion system SmOs4Sb12: a {121, 123}Sb NQR study. Research Abstract Details 

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Connection between charge fluctuations and the coherent temperature in the heavy-fermion system SmOs4Sb12: a {121, 123}Sb NQR study. Abstract Text:

H Kotegawa,H Hidaka,T C Kobayashi,D Kikuchi,H Sugawara,H Sato,H Kotegawa,H Hidaka,T C Kobayashi,D Kikuchi,H Sugawara,H Sato,

We report {121, 123}Sb nuclear quadrupole resonance measurements under pressure in a novel heavy fermion (HF) system SmOs4Sb12. The nuclear spin-spin relaxation rate 1/T{2} exhibits a distinct peak near the coherent temperature of the Kondo effect. The isotope effect of 121Sb and 123Sb indicates that the peak in 1/T{2} is electrical in origin. The connection between the peak in 1/T{2} and the development of coherency of the Kondo effect is robust even under pressure. It is conjectured that charge fluctuation plays an important role in forming the HF state in SmOs4Sb12.

Connection between charge fluctuations and the coherent temperature in the heavy-fermion system SmOs4Sb12: a {121, 123}Sb NQR study. Publishing Authors By Initials

H Kotegawa,H Hidaka,TC Kobayashi,D Kikuchi,H Sugawara,H Sato,H Kotegawa,H Hidaka,TC Kobayashi,D Kikuchi,H Sugawara,H Sato,

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Connection between charge fluctuations and the coherent temperature in the heavy-fermion system SmOs4Sb12: a {121, 123}Sb NQR study. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Physical review letters

VOLUME: 99

Page Numbers: 156408

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ISSN: 0031-9007

DAY: 12

MONTH: 10

YEAR: 2007

Connection between charge fluctuations and the coherent temperature in the heavy-fermion system SmOs4Sb12: a {121, 123}Sb NQR study. Information

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LANGUAGE: eng

NlmUniqueID: 401141

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Grant and Affiliation Information for Connection between charge fluctuations and the coherent temperature in the heavy-fermion system SmOs4Sb12: a {121, 123}Sb NQR study.

AFFILIATION: Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan.

Country: United States

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MEDLINETA: Phys Rev Lett

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