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Evaluation of ranks of real space and particle entanglement spectra for large systems.

Abstract:

We devise a way to calculate the dimensions of symmetry sectors appearing in the particle entanglement spectrum (PES) and real space entanglement spectrum (RSES) of multiparticle systems from their real space wave functions. We first note that these ranks in the entanglement spectra equal the dimensions of spaces of wave functions with a number of particles fixed. This also yields equality of the multiplicities in the PES and the RSES. Our technique allows numerical calculations for much larg...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Journal:
Physical review letters
Volume:
108
Issue:
25
Pages:
256806
Publication date:
2012-06-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:a4ab3ad6-e20e-49d5-a2af-7622ffc552ac
Source identifiers:
342686
Local pid:
pubs:342686
Language:
English

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