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Stochastic strong zero modes and their dynamical manifestations

Abstract:

Strong zero modes (SZMs) are conserved operators localised at the edges of certain quantum spin chains, which give rise to long coherence times of edge spins. Here we define and analyse analogous operators in one-dimensional classical stochastic systems. For concreteness, we focus on chains with single occupancy and nearest-neighbour transitions, in particular particle hopping and pair creation and annihilation. For integrable choices of parameters we find the exact form of the SZM operators....

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevE.107.L042104

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Oxford college:
All Souls College
Role:
Author
ORCID:
0000-0002-7747-0153
Publisher:
American Physical Society
Journal:
Physical Review E More from this journal
Volume:
107
Article number:
L042104
Publication date:
2023-04-28
Acceptance date:
2023-04-06
DOI:
EISSN:
2470-0053
ISSN:
2470-0045
Language:
English
Keywords:
Pubs id:
1338722
Local pid:
pubs:1338722
Deposit date:
2023-04-24

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