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Entanglement dynamics in Rule 54: exact results and quasiparticle picture

Abstract:

We study the entanglement dynamics generated by quantum quenches in the quantum cellular automaton Rule 54. We consider the evolution from a recently introduced class of solvable initial states. States in this class relax (locally) to a one-parameter family of Gibbs states and the thermalisation dynamics of local observables can be characterised exactly by means of an evolution in space. Here we show that the latter approach also gives access to the entanglement dynamics and derive exact form...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.21468/SciPostPhys.11.6.107

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
ORCID:
0000-0001-6791-8594
Publisher:
SciPost
Journal:
SciPost Physics More from this journal
Volume:
11
Article number:
107
Publication date:
2021-12-20
Acceptance date:
2021-09-15
DOI:
EISSN:
2542-4653
Language:
English
Keywords:
Pubs id:
1174895
Local pid:
pubs:1174895
Deposit date:
2021-11-19

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