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Deconfined quantum critical points: Symmetries and dualities

Abstract:

The deconfined quantum critical point (QCP), separating the Néel and valence bond solid phases in a 2D antiferromagnet, was proposed as an example of ð2 þ 1ÞD criticality fundamentally different from standard Landau-Ginzburg-Wilson-Fisher criticality. In this work, we present multiple equivalent descriptions of deconfined QCPs, and use these to address the possibility of enlarged emergent symmetries in the low-energy limit. The easy-plane deconfined QCP, besides its previously discussed self-...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevX.7.031051

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
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Funding agency for:
Nahum, A
Grant:
EP/N028678/1
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Funding agency for:
Nahum, A
Grant:
EP/N028678/1
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Funding agency for:
Xu, C
Grant:
DMR-1151208
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Funding agency for:
Xu, C
Grant:
DMR-1151208
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review X Journal website
Volume:
7
Issue:
3
Article number:
031051
Publication date:
2017-09-22
Acceptance date:
2017-07-31
DOI:
ISSN:
2160-3308
Source identifiers:
702148
Pubs id:
pubs:702148
UUID:
uuid:92a9975c-5e59-47cb-a1c3-3cc15d985d78
Local pid:
pubs:702148
Deposit date:
2018-05-05

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