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Berlin 2008 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 16: Symposium: Efficient Classical Simulation of Strongly Correlated Quantum Systems

TT 16.2: Talk

Tuesday, February 26, 2008, 14:45–15:15, H 0104

Time-dependent DMRG: Applications to cold atoms in optical lattices — •Corinna Kollath1, Andreas Laeuchli2, and Ehud Altman31Ecole Polytechnique Palaiseau, France — 2IRRMA Lausanne, Switzerland — 3The Weizmann Institute of Science, Israel

Ultracold atoms constitute a system to investigate non-equilibrium physics in strongly correlated systems. Their good tunability allows to rapidly change the system parameters and observe the subsequent quantum evolution. For example the non-adiabatic dynamics across the superfluid-Mott-insulating phase transition has been realized in ultracold bosonic gases confined to optical lattices. The theoretical description of these time-dependent phenomena is very involved. We apply the recently developed adaptive time-dependent DMRG method to study the response of these strongly correlated quantum systems to different parameter changes.

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