Document Type

Article

Publication Date

1-1-1999

Abstract

We present the results of a microscopic calculation of the longitudinal thermal conductivity, κxx, of a d-wave superconductor in the mixed state. Our results show an increase in the thermal conductivity with the applied field at low temperatures and a decrease followed by a nearly field independent κxx(H) at higher temperatures, in qualitative agreement with the experimental results. We discuss the relationship between the slope of the superconducting gap and the plateau in κxx(H). © 1999 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review Letters

First Page

4626

Last Page

4629

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