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Type: Artigo de periódico
Title: Avoided Antiferromagnetic Order And Quantum Critical Point In Cecoin 5
Author: Blanchi A.
Movshovich R.
Vekhter I.
Pagliuso P.G.
Sarrao J.L.
Abstract: The specific heat and resistivity of heavy fermion CeCoIn5 within the superconducting critical field of 5-9 T, in the field direction of [001], and at temperatures going down to 50 mK were measured. At 5 T critical field condition to the lowest temperatures, the results show a non-Fermi liquid (NFL) behavior. At above 8 T critical field conditions, the results exhibited a crossover behavior from that of a Fermi liquid (FL) to a non-Fermi liquid (NFL). The analysis study suggested that the NFL behavior was due to the antiferromagnetic (AFM) ordering in the Ce-based compound with the quantum critical point in the vicinity of superconducting critical field.
Rights: aberto
Identifier DOI: 
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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