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TT: Fachverband Tiefe Temperaturen

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

TT 16.1: Hauptvortrag

Dienstag, 26. Februar 2008, 14:00–14:45, H 0104

Density matrix renormalization meets quantum information — •Ulrich Schollwöck — Institut für Theoretische Physik C, RWTH Aachen

In this talk I want to give an overview of the reassessment of the well-established density-matrix renormalization group method for the simulation of low-dimensional quantum systems by the use of quantum information concepts: it is in some sense the first of a set of essentially optimally efficient methods to simulate quantum systems on a classical computer. While this allows to get a very simple picture of the essence of this method which in my view is more adequate than renormalization group perspectives, it also allows to devise a plethora of new simulation techniques that have largely extended the scope of this method. I will give an introduction to these new developments and illustrate them by applications in the field of ultracold atoms and more conventional nanosystems. The purpose of this talk is also to set the stage for further talks on the individual new methods in the session in which it is presented.

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DPG-Physik > DPG-Verhandlungen > 2008 > Berlin