Phys. Rev. B 73, 094512 (2006) [5 pages]
Resonance mode in B1g Raman scattering: A way to distinguish between spin-fluctuation and phonon-mediated d-wave superconductivity
Abstract
References (25)
Citing Articles
A. V. Chubukov, 1 T. P. Devereaux, 2 and M. V. Klein31Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA
2Department of Physics, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1
3Department of Physics, University of Illinois, Urbana, Ilinois 61801, USA
Received 26 August 2005; revised 24 January 2006; published 24 March 2006
We argue that Raman scattering in B1g symmetry allows one to distinguish between phonon-mediated and magnetically mediated d-wave superconductivity. In spin-mediated superconductors, B1g Raman intensity develops a resonance at a frequency res<2 max, whose origin is similar to a neutron resonance. In phonon-mediated d-wave superconductors, such a resonance does not develop. Several extensions of the argument are presented.
©2006 The American Physical Society
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