Extending Universal Nodal Excitations Optimizes Superconductivity in Bi 2 Sr 2 CaCu 2 O 8+δ-Reference-Cited by-同舟云学术

Extending Universal Nodal Excitations Optimizes Superconductivity in Bi 2 Sr 2 CaCu 2 O 8+δ

Published:2009-06-26 Issue:5935 Volume:324 Page:1689-1693
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Pushp Aakash¹²,Parker Colin V.¹,Pasupathy Abhay N.¹,Gomes Kenjiro K.¹,Ono Shimpei³,Wen Jinsheng⁴,Xu Zhijun⁴,Gu Genda⁴,Yazdani Ali¹

Affiliation:

1. Joseph Henry Laboratories and Department of Physics, Princeton University, Princeton, NJ 08544, USA.

2. Department of Physics, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.

3. Central Research Institute of Electric Power Industry, Komae, Tokyo 201-8511, Japan.

4. Condensed Matter Physics and Materials Science, Brookhaven National Laboratory (BNL), Upton, NY 11973, USA.

Abstract

Cuprate Analysis Despite more than 20 years of intensive effort, the mechanism providing superconductivity in the cuprates remains elusive and contentious, partly because the cuprates are inhomogeneous. Scanning tunneling spectroscopy (STS) and high-resolution, angle-resolved photoemission spectroscopy provide energy and momentum information about the excitations in the high-temperature cuprate superconductors. Pushp et al. (p. 1689 , published online 4 June) provide a STS study of the cuprate Bi 2 Sr 2 CaCu 2 O 8+δ over a range of doping levels and temperatures. This methodology for analyzing the spectra takes into account the inhomogeneity and may provide insight into how a superconducting pairing mechanism evolves from the parent insulating state.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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