Journal article

Exotic criticality in the dimerized spin-1 $XXZ$ chain with single-ion anisotropy

Abstract:

We consider the dimerized spin-1 X X Z chain with single-ion anisotropy D . In absence of an explicit dimerization there are three phases: a large- D , an antiferromagnetically ordered and a Haldane phase. This phase structure persists up to a critical dimerization, above which the Haldane phase disappears. We show that for weak dimerization the phases are separated by Gaussian and Ising quantum phase transitions. One of the Ising transitions terminates in a critical point in the universal...

Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.21468/scipostphys.5.6.059

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Role:
Author
ORCID:
0000-0001-5331-9961
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Theoretical Physics
Role:
Author
ORCID:
0000-0002-1127-5830
Publisher:
SciPost Publisher's website
Journal:
SciPost Physics Journal website
Volume:
5
Issue:
6
Pages:
Article: 059
Publication date:
2018-12-07
Acceptance date:
2018-12-03
DOI:
EISSN:
2542-4653
Pubs id:
pubs:953034
URN:
uri:e5ff8e41-7354-4bfe-855b-f14311db7d02
UUID:
uuid:e5ff8e41-7354-4bfe-855b-f14311db7d02
Local pid:
pubs:953034