Article (Scientific journals)
Nonlocal magnetic field-tuned quantum criticality in cubic CeIn3-xSnx (x=0.25)
Silhanek, Alejandro; Ebihara, Takao; Harrison, N. et al.
2006In Physical Review Letters, 96 (20)
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Keywords :
quantum critical points
Abstract :
[en] We show that antiferromagnetism in lightly (approximate to 8%) Sn-doped CeIn3 terminates at a critical field mu H-0(c)=42 +/- 2 T. Electrical transport and thermodynamic measurements reveal the effective mass m(*) not to diverge, suggesting that cubic CeIn3 is representative of a critical spin-density wave (SDW) scenario, unlike the local quantum critical points reported in anisotropic systems such as CeCu6-xAux and YbRh2Si2-xGex. The existence of a maximum in m(*) at a lower field mu H-0(x)=30 +/- 1 T may be interpreted as a field-induced crossover from local moment to SDW behavior as the Neel temperature falls below the Fermi temperature.
Disciplines :
Physics
Author, co-author :
Silhanek, Alejandro  ;  Los Alamos National Laboratory (USA)
Ebihara, Takao
Harrison, N.
Jaime, M.
Tezuka, Koji
Fanelli, V.
Batista, C. D.
Language :
English
Title :
Nonlocal magnetic field-tuned quantum criticality in cubic CeIn3-xSnx (x=0.25)
Publication date :
2006
Journal title :
Physical Review Letters
ISSN :
0031-9007
eISSN :
1079-7114
Publisher :
American Physical Society, Ridge, United States - New York
Volume :
96
Issue :
20
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 November 2011

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