Title: Gamma(5) quasiparticles and avoided quantum criticality in U(Ru,Rh)(2)Si-2
Authors: Silhanek, Alejandro ×
Harrison, N
Batista, CD
Jaime, M
Lacerda, A
Amitsuka, H
Mydosh, JA #
Issue Date: May-2006
Publisher: North-Holland
Series Title: Physica B, Condensed Matter vol:378-80 pages:373-375
Conference: SCES location:Vienna, Austria date:2005
Abstract: We discuss recent specific heat data in high magnetic fields on URu2Si2 and 4% Rh-doped URu2Si2 as well as previously published de Haas-van Alphen data at lower magnetic fields in pure URu2Si2: both of which are consistent with quasiparticle bands formed from a hybridization between 5f-electron Gamma(5) doublets and regular conduction electrons. The system exhibits itinerant electron metamagnetism that gives rise to a putative quantum critical point at similar to 34-37T (depending on the % of Rh) that is subsequently unstable to field-induced phases. (c) 2006 Elsevier B.V. All rights reserved.
ISSN: 0921-4526
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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