Causal structure of MERA

Details Causal structure of MERA Causal structure of MERA

2011-10-21

arxiv.org/abs/1110.4872v2

Physics

Quantum Physics

Scientific paper

We show that the multiscale entanglement renormalization ansatz can be reformulated in terms of a causality constraint on discrete quantum dynamics. This causal structure is that of de Sitter space with a flat spacelike boundary, where the volume of a spacetime region corresponds to the number of variational parameters it contains. This suggests a generalization of MERA to continuous systems, where the ansatz is specified through parameterization of quantum field theories on de Sitter background.

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