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Nonequilibrium Wilson loops in N=4 super Yang-Mills theory
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
2013 (English)In: Physical Review D, ISSN 1550-7998, Vol. 88, no 10, 105022- p.Article in journal (Refereed) Published
Abstract [en]

We consider rectangular Wilson loops in certain nonequilibrium quantum states in N = 4 super Yang-Mills theory at weak coupling, prepared with a quantum quench. We find that in the ladder approximation, the Bethe-Salpeter equation can be reduced to solving a massive 1 + 1 dimensional wave equation with a leaking boundary condition leading to a quasinormal behavior analogous to what is found in studying dynamics of fields in black hole backgrounds. Furthermore, we find that the Wilson loops with size L approach a thermal form after time T approximate to L/2. The thermal form found in the current paper follows from the particular initial state chosen.

Place, publisher, year, edition, pages
2013. Vol. 88, no 10, 105022- p.
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-137464DOI: 10.1103/PhysRevD.88.105022ISI: 000327213600006ScopusID: 2-s2.0-84888266892OAI: diva2:680157

QC 20131217

Available from: 2013-12-17 Created: 2013-12-13 Last updated: 2013-12-17Bibliographically approved

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Keränen, Ville
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