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The paramagnetic phase of 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, no Fermi distribution discontinuity, and zero Drude weight. However, the low-energy density of electronic states is finite. We label our model system in this phase an ``incoherent metal.'' We discuss the relevance of our results for concentrated heavy fermion metals with non-Fermi-liquid behavior.
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Jarrell et al. (1996) studied this question.
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