Entanglement of Purification in Many Body Systems and Symmetry Breaking.

Clicks: 171
ID: 97136
2019
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Abstract
We study the entanglement of purification (EOP), a measure of total correlation between two subsystems A and B, for free scalar field theory on a lattice and the transverse-field Ising model by numerical methods. In both of these models, we find that the EOP becomes a nonmonotonic function of the distance between A and B when the total number of lattice sites is small. When it is large, the EOP becomes monotonic and shows a plateaulike behavior. Moreover, we also show that the original reflection symmetry which exchanges A and B can get broken in optimally purified systems. We provide an interpretation of our results in terms of the interplay between classical and quantum correlations.
Reference Key
bhattacharyya2019entanglementphysical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Bhattacharyya, Arpan;Jahn, Alexander;Takayanagi, Tadashi;Umemoto, Koji;
Journal physical review letters
Year 2019
DOI
10.1103/PhysRevLett.122.201601
URL
Keywords Keywords not found

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