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Hamburg 2001 – scientific programme

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TT: Tiefe Temperaturen

TT 17: Korrelierte Elektronensysteme Theorie II

TT 17.5: Talk

Wednesday, March 28, 2001, 17:15–17:30, H

Photoemission and inverse photoemission in the 1D t-J model — •C. Lavalle, M. Brunner, F. F. Assaad, and A. Muramatsu — Institut für Theoretische Physik, Universität Stuttgart, Pfaffenwaldring 57, D-70550 Stuttgart

We developed a new Monte Carlo technique (Hybrid-loop MC) that is able to treat the t-J model at finite doping and incorporates the advantages of the Projector MC (no limitation in the measurable observable) and of the Loop MC (absence of critical slowing down). This new technique allows us to calculate dynamical properties of the t-J model in 1D at finite doping in the whole range of parameters (J/t). The results can be compared with experiments using an analytic continuation of data in imaginary time with the maximum entropy method. We present photoemission and inverse photoemission study of the of the model.

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