Negativity Hamiltonian: An Operator Characterization of Mixed-State Entanglement

In the context of ground states of quantum many-body systems, the locality of entanglement between connected regions of space is directly tied to the locality of the corresponding entanglement Hamiltonian: the latter is dominated by local, few-body terms. In this work, we introduce the negativity Ha...

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Bibliographic Details
Main Authors: Calabrese, P. (Author), Dalmonte, M. (Author), Murciano, S. (Author), Vitale, V. (Author)
Format: Article
Language:English
Published: American Physical Society 2022
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Online Access:View Fulltext in Publisher