Renormalization algorithms for Quantum-Many Body Systems in two and higher dimensions

Details Renormalization algorithms for Quantum-Many Body Systems in two and higher dimensions Renormalization algorithms for Quantum-Many Body Systems in two and higher dimensions

2004-07-02

arxiv.org/abs/cond-mat/0407066v1

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

We describe quantum many--body systems in terms of projected entangled--pair states, which naturally extend matrix product states to two and more dimensions. We present an algorithm to determine correlation functions in an efficient way. We use this result to build powerful numerical simulation techniques to describe the ground state, finite temperature, and evolution of spin systems in two and higher dimensions.

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