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Dresden 2006 – scientific programme

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TT: Tiefe Temperaturen

TT 25: Correlated Electrons - Poster Session

TT 25.31: Poster

Wednesday, March 29, 2006, 14:30–18:30, P1

Spectral properties of RVB superconductor — •Bernhard Edegger1, Claudius Gros1, and V.N. Muthukumar21Institut für Theoretische Physik, Universität Frankfurt, D-60438 Frankfurt, Germany — 2Department of Physics, City College of the City University of New York, New York, NY 10031

We use a Gutzwiller renormalized mean field theory to study properties of projected quasiparticles within the tJ model. We calculate the one-particle spectral function and discuss the relevance for tunneling and photoemmision spectroscopies in doped Mott insulators like the high TC superconductors. Besides we consider incoherent excitations and emphasise their importance in describing the striking asymmetry seen in the tunneling experiments.

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