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Condensed Matter Seminars

ics Condensed Matter
Thursday, February 8, 2001
4:00 PM
Physics Building, Room 204
Note special time.
Note special room.
Peter Abbamonte [Host: D Louca]
University of Groningen
"Resonant Inelastic X-ray Scattering from Insulating Cuprates"
In this talk I will give a general introduction to the technique of inelastic x-ray scattering (IXS) and its use for measuring elementary excitations in condensed matter. I will describe how resonance techniques can be used to achieve (1) enhancement of the inelastic cross section and (2) sensitivity to wave function symmetry. These points will be illustrated with polarization-dependent spectra from the High Tc parent insulators La2CuO4 and Sr2CuO2Cl2, and by their interpretation in terms of symmetry-selection rules. I will conclude with some general statements about the utility of IXS - and where to go from here.

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