Reflections on the One Dimensional Realization of Odd-Frequency Pairing

Preprint

31 October 1996

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9610217

Abstract

We discuss the odd-frequency pairing correlations discovered by Zachar, Kivelson and Emery (ZKE) in a one dimensional Kondo lattice. A lattice model that realizes the continuum theory of ZKE is introduced and the correlations it gives rise to are identified as odd-frequency singlet pairing. The excitation spectrum is found to contain a spin gap, and a much lower energy band of spinless excitations. We discuss how the power-law correlations realized in the ZKE model evolve into true long-range order when Kondo chains are weakly coupled together and tentatively suggest a way in which the higher dimensional model can be treated using mean-field theory.

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All Related Versions

Version 1, 1996-10-31, ArXiv
Published version: Journal of Physics: Condensed Matter, 9 (2), 345.

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