Requirements for compatibility between local and multipartite quantum states

Abstract

We consider a partial trace transformation which maps a multipartite quantum state to collection of local density matrices. We call this collection a mean field state. For the Hilbert spaces (C2)⊗n and C2 ⊗ C2 ⊗ C4 the necessary and sufficient conditions under which a mean field state is compatible with at least one multipartite pure state are found… (More)

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Cite this paper

@inproceedings{Bravyi2008RequirementsFC, title={Requirements for compatibility between local and multipartite quantum states}, author={Sergey Bravyi}, year={2008} }