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arxiv: cond-mat/9605008 · v2 · submitted 1996-05-01 · ❄️ cond-mat

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Two-Channel Kondo Lattice: An Incoherent Metal

Mark Jarrell (1) , Hanbin Pang (1) , D.L. Cox (2 , 3) , K.H. Luk (4) ((1) University of Cincinnati , (2) The Ohio State University , (3) ITP , UC Santa Barbara
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(4) The Hong Kong Univeristy of Science Technology)
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classification ❄️ cond-mat
keywords behaviorfiniteincoherentkondolatticemetalnon-fermi-liquidtwo-channel
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The two-channel Kondo lattice model is examined with a Quantum Monte Carlo simulation in the limit of infinite dimensions. We find non-fermi-liquid behavior at low temperatures including a finite low-temperature single-particle scattering rate, the lack of a fermi edge and Drude weight. However, the low-energy density of electronic states is finite. Thus, we identify this system as an incoherent metal. We discuss the relevance of our results for concentrated heavy fermion metals with non-Fermi-Liquid behavior.

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