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Anharmonic phonons and strong electronic correlations in high-TC superconductors: A Quantum Monte Carlo study

DOI to cite this document:
Frick, M. ; Morgenstern, Ingo ; Von der Linden, Wolfgang
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Date of publication of this fulltext: 16 Aug 2010 12:31


We present results of quantum simulations for a system of strongly correlated fermions coupled to anharmonic phonons. The projector Quantum Monte Carlo (PQMC) method has been employed to study ground state properties. In a parameter regime relevant for the high-Tc superconductors, the system exhibits superconductivity, characterized by off-Diagonal Long Range Order (ODLRO). Several features of the high-Tc materials can be understood.

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