# Algorithms for Entanglement Renormalization: Boundaries, Impurities and Interfaces

@article{Evenbly2014AlgorithmsFE, title={Algorithms for Entanglement Renormalization: Boundaries, Impurities and Interfaces}, author={Glen Evenbly and Guifre Vidal}, journal={Journal of Statistical Physics}, year={2014}, volume={157}, pages={931-978} }

We propose algorithms, based on the multi-scale entanglement renormalization ansatz, to obtain the ground state of quantum critical systems in the presence of boundaries, impurities, or interfaces. By exploiting the theory of minimal updates (Evenbly and Vidal, arXiv:1307.0831, 2013), the ground state is completely characterized in terms of a number of variational parameters that is independent of the system size, even though the presence of a boundary, an impurity, or an interface explicitly… CONTINUE READING

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