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Type: Artigo de periódico
Title: Non-fermi-liquid Behavior In Ceirin 5 Near A Metamagnetic Transition
Author: Capan C.
Bianchi A.
Ronning F.
Lacerda A.
Thompson J.D.
Hundley M.F.
Pagliuso P.G.
Sarrao J.L.
Movshovich R.
Abstract: We present a specific heat and resistivity study of CeIrIn 5 in magnetic fields up to 17 T and temperature down to 50 mK. Both quantities were measured with the magnetic field parallel to the c axis (H∥[001]) and within the a-b plane (H ⊥ [001]). Non-Fermi-liquid (NFL) behavior develops above 12 T for H∥[001]. The Fermi-liquid state is much more robust for H∥[001] and is suppressed only moderately at the highest applied field. Based on the observed trends and the proximity to a metamagnetic phase transition, which exists at fields above 25 T for H∥[001], we suggest that the observed NFL behavior in CeIrIn 5 is a consequence of a metamagnetic quantum critical point.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.70.180502
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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