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Title:

Observing quasiparticles through the entanglement lens

Document type:
Zeitschriftenaufsatz
Author(s):
You, Yizhi; Wybo, Elisabeth; Pollmann, Frank; Sondhi, S. L.
Abstract:
The low-energy physics of interacting quantum systems is typically understood through the identification of the relevant quasiparticles or low-energy excitations and their quantum numbers. We present a quantum information framework that goes beyond this to examine the nature of the entanglement in the corresponding quantum states. We argue that the salient features of the quasiparticles, including their quantum numbers, locality, and fractionalization, are reflected in the entanglement spectrum...     »
Journal title:
Physical Review B 2022-10
Year:
2022
Journal volume:
106
Journal issue:
16
Fulltext / DOI:
doi:10.1103/physrevb.106.l161104
Publisher:
American Physical Society (APS)
E-ISSN:
2469-99502469-9969
Date of publication:
10.10.2022
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