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Phys. Rev. Lett. 65, 3177–3180 (1990)

One-dimensional symmetric Kondo lattice: A quantum Monte Carlo study

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R. M. Fye and D. J. Scalapino
Department of Physics, University of California, Santa Barbara, California 93106

Received 24 May 1990; published in the issue dated 17 December 1990

We present numerical results for the thermodynamic limit of the one-dimensional symmetric Kondo lattice over the full temperature range, obtained by using a recently developed Monte Carlo technique. In particular, we compare spin correlations with RKKY predictions and two-impurity results, and note the opening of a gap as the temperature is lowered. We discuss the relevance of our results to various theoretical treatments of Kondo and Anderson lattice models.

© 1990 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.65.3177
DOI:
10.1103/PhysRevLett.65.3177
PACS:
75.30.Mb, 05.30.Fk, 75.20.Hr