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dc.contributor.authorHeinzl, Thomas
dc.contributor.authorIlderton, A
dc.contributor.authorLangfeld, K
dc.contributor.authorLavelle, Martin
dc.contributor.authorLutz, W
dc.contributor.authorMcMullan, David
dc.date.accessioned2018-11-10T12:08:06Z
dc.date.available2018-11-10T12:08:06Z
dc.date.issued2008-03
dc.identifier.issn1550-7998
dc.identifier.issn1550-2368
dc.identifier.other054501
dc.identifier.urihttp://hdl.handle.net/10026.1/12746
dc.description13 pages, 10 .eps figures. V2: conclusions extended
dc.description.abstract

We consider two very different models of the flux tube linking two heavy quarks: a string linking the matter fields and a Coulombic description of two separately gauge invariant charges. We compare how close they are to the unknown true ground state in compact U(1) and the SU(2) Higgs model. Simulations in compact U(1) show that the string description is better in the confined phase but the Coulombic description is best in the deconfined phase; the last result is shown to agree with analytical calculations. Surprisingly in the nonabelian theory the Coulombic description is better in both the Higgs and confined phases. This indicates a significant difference in the width of the flux tubes in the two theories. © 2008 The American Physical Society.

dc.format.extent054501-
dc.languageen
dc.language.isoen
dc.publisherAmerican Physical Society (APS)
dc.subjecthep-lat
dc.subjecthep-lat
dc.subjecthep-ph
dc.subjecthep-th
dc.titleProbing the ground state in gauge theories
dc.typejournal-article
dc.typeJournal Article
plymouth.author-urlhttps://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000254544200054&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=11bb513d99f797142bcfeffcc58ea008
plymouth.issue5
plymouth.volume77
plymouth.publisher-urlhttp://dx.doi.org/10.1103/PhysRevD.77.054501
plymouth.publication-statusPublished online
plymouth.journalPhysical Review D
dc.identifier.doi10.1103/physrevd.77.054501
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering/School of Engineering, Computing and Mathematics
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/EXTENDED UoA 10 - Mathematical Sciences
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA10 Mathematical Sciences
plymouth.organisational-group/Plymouth/Users by role
plymouth.organisational-group/Plymouth/Users by role/Academics
dc.identifier.eissn1550-2368
dc.rights.embargoperiodNot known
rioxxterms.versionofrecord10.1103/physrevd.77.054501
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.typeJournal Article/Review


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