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SKM 2021 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 9: Poster Session: Correlated Electrons

TT 9.35: Poster

Tuesday, September 28, 2021, 13:30–16:00, P

Enhancement of paring in asymmetric Hubbard ladder model — •Anas Abdelwahab, Gökmen Polat, and Eric Jeckelmann — Leibniz Universität Hannover, Hannover, Germany

We investigate a ladder system with two inequivalent legs, namely two legs with two different Hubbard interaction and two different intra-leg hopping terms. We use exact diagonalization and the density matrix renormalization group method to determine ground-state properties of this system at half-filling and at various doping. We found strong enhancement of pairing correlations of dopped ladders at some ranges of model parameters. We discuss the behaviors of charge, spin and pairing correlations.

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