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Quantum Phases of a Vortex String

Roberto Auzzi, Prem Kumar Orcid Logo

Physical Review Letters, Volume: 103, Issue: 23, Start page: 231601

Swansea University Author: Prem Kumar Orcid Logo

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DOI (Published version): 10.1103/PhysRevLett.103.231601

Abstract

We argue that the world sheet dynamics of magnetic k strings in the Higgs phase of the mass-deformed N=4 theory is controlled by a bosonic O(3) sigma model with anisotropy and a topological θ term. The theory interpolates between a massless O(2) symmetric regime, a massive O(3) symmetric phase, and...

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Published in: Physical Review Letters
ISSN: 0031-9007 1079-7114
Published: 2009
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URI: https://cronfa.swan.ac.uk/Record/cronfa1134
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first_indexed 2013-07-23T11:46:25Z
last_indexed 2020-07-16T18:13:51Z
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spelling 2020-07-16T14:34:56.3160825 v2 1134 2012-02-23 Quantum Phases of a Vortex String 087fd097167d724ce1b13cb285741ef5 0000-0003-0867-4213 Prem Kumar Prem Kumar true false 2012-02-23 SPH We argue that the world sheet dynamics of magnetic k strings in the Higgs phase of the mass-deformed N=4 theory is controlled by a bosonic O(3) sigma model with anisotropy and a topological θ term. The theory interpolates between a massless O(2) symmetric regime, a massive O(3) symmetric phase, and another massive phase with a spontaneously broken Z2 symmetry. The first two phases are separated by a Kosterlitz-Thouless transition. When θ=π, the O(3) symmetric phase flows to an interacting fixed point; sigma model kinks and their dyonic partners become degenerate, mirroring the behavior of monopoles in the parent gauge theory. This leads to the identification of the kinks with monopoles confined on the string. Journal Article Physical Review Letters 103 23 231601 0031-9007 1079-7114 31 12 2009 2009-12-31 10.1103/PhysRevLett.103.231601 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2020-07-16T14:34:56.3160825 2012-02-23T17:01:56.0000000 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Roberto Auzzi 1 Prem Kumar 0000-0003-0867-4213 2
title Quantum Phases of a Vortex String
spellingShingle Quantum Phases of a Vortex String
Prem Kumar
title_short Quantum Phases of a Vortex String
title_full Quantum Phases of a Vortex String
title_fullStr Quantum Phases of a Vortex String
title_full_unstemmed Quantum Phases of a Vortex String
title_sort Quantum Phases of a Vortex String
author_id_str_mv 087fd097167d724ce1b13cb285741ef5
author_id_fullname_str_mv 087fd097167d724ce1b13cb285741ef5_***_Prem Kumar
author Prem Kumar
author2 Roberto Auzzi
Prem Kumar
format Journal article
container_title Physical Review Letters
container_volume 103
container_issue 23
container_start_page 231601
publishDate 2009
institution Swansea University
issn 0031-9007
1079-7114
doi_str_mv 10.1103/PhysRevLett.103.231601
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
document_store_str 0
active_str 0
description We argue that the world sheet dynamics of magnetic k strings in the Higgs phase of the mass-deformed N=4 theory is controlled by a bosonic O(3) sigma model with anisotropy and a topological θ term. The theory interpolates between a massless O(2) symmetric regime, a massive O(3) symmetric phase, and another massive phase with a spontaneously broken Z2 symmetry. The first two phases are separated by a Kosterlitz-Thouless transition. When θ=π, the O(3) symmetric phase flows to an interacting fixed point; sigma model kinks and their dyonic partners become degenerate, mirroring the behavior of monopoles in the parent gauge theory. This leads to the identification of the kinks with monopoles confined on the string.
published_date 2009-12-31T03:02:50Z
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score 11.037056

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