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Proceedings Paper

Self energy effects in the cuprates
Author(s): T. Timusk; J. Hwang
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Paper Abstract

Optical spectroscopy and angle resolved photoemission have replaced tunneling spectroscopy as techniques that yield the best data on the self energy of the charge carriers in new superconductors. We review the most recent results of self-energy spectroscopy for several cuprate superconductors. We show that the self energy is determined by two channels of bosonic excitations, a sharp peak and a continuous background. Both channels appear to be of magnetic origin, the sharp mode is associated with the so-called 41 meV neutron resonance that appears only at low temperatures, a few tens of degrees above the superconducting transition temperature in underdoped materials, while the continuous background has a temperature independent spectral function.

Paper Details

Date Published: 30 August 2005
PDF: 15 pages
Proc. SPIE 5932, Strongly Correlated Electron Materials: Physics and Nanoengineering, 59320J (30 August 2005); doi: 10.1117/12.618356
Show Author Affiliations
T. Timusk, McMaster Univ. (Canada)
Canadian Institute of Advanced Research (Canada)
J. Hwang, McMaster Univ. (Canada)


Published in SPIE Proceedings Vol. 5932:
Strongly Correlated Electron Materials: Physics and Nanoengineering
Ivan Bozovic; Davor Pavuna, Editor(s)

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