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SpontaneousZ2symmetry breaking in the orbifold daughter ofN=1super-Yang-Mills theory, fractional domain walls and vacuum structure

M. Shifman, A. Gorsky, Adi Armoni Orcid Logo

Physical Review D, Volume: "D72", Issue: 10, Start page: 105001

Swansea University Author: Adi Armoni Orcid Logo

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DOI (Published version): 10.1103/PhysRevD.72.105001

Abstract

We discuss the fate of the Z2 symmetry and the vacuum structure in an SU(N)xSU(N) gauge theory with one bifundamental Dirac fermion. This theory can be obtained from SU(2N) supersymmetric Yang--Mills (SYM) theory by virtue of Z2 orbifolding. We analyze dynamics of domain walls and argue that the Z2...

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Published in: Physical Review D
ISSN: 1550-7998 1550-2368
Published: 2005
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URI: https://cronfa.swan.ac.uk/Record/cronfa28658
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first_indexed 2016-06-04T12:47:03Z
last_indexed 2018-02-09T05:12:59Z
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spelling 2016-06-04T06:08:21.3320479 v2 28658 2016-06-04 SpontaneousZ2symmetry breaking in the orbifold daughter ofN=1super-Yang-Mills theory, fractional domain walls and vacuum structure 3f75faad0563a2d3b191191a2efee956 0000-0002-8105-0645 Adi Armoni Adi Armoni true false 2016-06-04 SPH We discuss the fate of the Z2 symmetry and the vacuum structure in an SU(N)xSU(N) gauge theory with one bifundamental Dirac fermion. This theory can be obtained from SU(2N) supersymmetric Yang--Mills (SYM) theory by virtue of Z2 orbifolding. We analyze dynamics of domain walls and argue that the Z2 symmetry is spontaneously broken. Since unbroken Z2 is a necessary condition for nonperturbative planar equivalence we conclude that the orbifold daughter is nonperturbatively nonequivalent to its supersymmetric parent. En route, our investigation reveals the existence of fractional domain walls, similar to fractional D-branes of string theory on orbifolds. We conjecture on the fate of these domain walls in the true solution of the Z2-broken orbifold theory. We also comment on relation with nonsupersymmetric string theories and closed-string tachyon Journal Article Physical Review D "D72" 10 105001 1550-7998 1550-2368 31 5 2005 2005-05-31 10.1103/PhysRevD.72.105001 http://inspirehep.net/record/681900 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-06-04T06:08:21.3320479 2016-06-04T06:08:21.1292466 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics M. Shifman 1 A. Gorsky 2 Adi Armoni 0000-0002-8105-0645 3
title SpontaneousZ2symmetry breaking in the orbifold daughter ofN=1super-Yang-Mills theory, fractional domain walls and vacuum structure
spellingShingle SpontaneousZ2symmetry breaking in the orbifold daughter ofN=1super-Yang-Mills theory, fractional domain walls and vacuum structure
Adi Armoni
title_short SpontaneousZ2symmetry breaking in the orbifold daughter ofN=1super-Yang-Mills theory, fractional domain walls and vacuum structure
title_full SpontaneousZ2symmetry breaking in the orbifold daughter ofN=1super-Yang-Mills theory, fractional domain walls and vacuum structure
title_fullStr SpontaneousZ2symmetry breaking in the orbifold daughter ofN=1super-Yang-Mills theory, fractional domain walls and vacuum structure
title_full_unstemmed SpontaneousZ2symmetry breaking in the orbifold daughter ofN=1super-Yang-Mills theory, fractional domain walls and vacuum structure
title_sort SpontaneousZ2symmetry breaking in the orbifold daughter ofN=1super-Yang-Mills theory, fractional domain walls and vacuum structure
author_id_str_mv 3f75faad0563a2d3b191191a2efee956
author_id_fullname_str_mv 3f75faad0563a2d3b191191a2efee956_***_Adi Armoni
author Adi Armoni
author2 M. Shifman
A. Gorsky
Adi Armoni
format Journal article
container_title Physical Review D
container_volume "D72"
container_issue 10
container_start_page 105001
publishDate 2005
institution Swansea University
issn 1550-7998
1550-2368
doi_str_mv 10.1103/PhysRevD.72.105001
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
url http://inspirehep.net/record/681900
document_store_str 0
active_str 0
description We discuss the fate of the Z2 symmetry and the vacuum structure in an SU(N)xSU(N) gauge theory with one bifundamental Dirac fermion. This theory can be obtained from SU(2N) supersymmetric Yang--Mills (SYM) theory by virtue of Z2 orbifolding. We analyze dynamics of domain walls and argue that the Z2 symmetry is spontaneously broken. Since unbroken Z2 is a necessary condition for nonperturbative planar equivalence we conclude that the orbifold daughter is nonperturbatively nonequivalent to its supersymmetric parent. En route, our investigation reveals the existence of fractional domain walls, similar to fractional D-branes of string theory on orbifolds. We conjecture on the fate of these domain walls in the true solution of the Z2-broken orbifold theory. We also comment on relation with nonsupersymmetric string theories and closed-string tachyon
published_date 2005-05-31T03:34:54Z
_version_ 1763751488040992768
score 11.035349

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