Sum Rules and Interlayer Conductivity of High- T c Cuprates-Reference-Cited by-同舟云学术

Sum Rules and Interlayer Conductivity of High- T c Cuprates

Published:1999-01 Issue:5398 Volume:283 Page:49-52
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Basov D. N.¹,Woods S. I.¹,Katz A. S.¹,Singley E. J.¹,Dynes R. C.¹,Xu M.¹,Hinks D. G.¹,Homes C. C.¹,Strongin M.¹

Affiliation:

1. D. N. Basov, S. I. Woods, A. S. Katz, E. J. Singley, R. C. Dynes, Department of Physics, University of California–San Diego, La Jolla, CA 92093–0319, USA. M. Xu, James Franck Institute, University of Chicago, Chicago, IL 60637, USA. D. G. Hinks, Department of Materials Science, Argonne National Laboratory, Argonne, IL 60439, USA. C. C. Homes and M. Strongin, Department of Physics, Brookhaven National Laboratory, Upton, NY 11973–5000, USA.

Abstract

Analysis of the interlayer infrared conductivity of cuprate high–transition temperature superconductors reveals an anomalously large energy scale extending up to midinfrared frequencies that can be attributed to formation of the superconducting condensate. This unusual effect is observed in a va- riety of materials, including Tl 2 Ba 2 CuO 6+ x , La 2− x Sr x CuO 4 , and YBa 2 Cu 3 O 6.6 , which show an incoherent interlayer response in the normal state. Midinfrared range condensation was examined in the context of sum rules that can be formulated for the complex conductivity. One possible interpretation of these experiments is in terms of a kinetic energy change associated with the superconducting transition.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference44 articles.

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