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Transitions of orbifold vacua

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Title: Transitions of orbifold vacua
Authors: Choi, Kang-Sin Browse this author
Kobayashi, Tatsuo Browse this author →KAKEN DB
Keywords: Superstring Vacua
Brane Dynamics in Gauge Theories
Superstrings and Heterotic Strings
Issue Date: 18-Jul-2019
Publisher: Springer
Journal Title: Journal of High Energy Physics
Volume: 2019
Issue: 7
Start Page: 111
Publisher DOI: 10.1007/JHEP07(2019)111
Abstract: We study the global structure of vacua of heterotic strings compactified on orbifolds T-4/Z(N) (N = 2, 3) in the presence of heterotic 5-branes. Gauge symmetry breaking associated with orbifold is described by instantons in the field theory. There is phase transition between small (zero size limit) instantons and heterotic 5-branes. This mechanism provides top-down, stringy account to the spectrum and modular invariance condition of non-perturbative vacua with 5-branes. Also it takes us from one vacuum to another by emitting and absorbing instantons. This means that many vacua with different gauge theories are in fact connected and are inherited from perturbative vacua. It follows that there is also transition of twisted instantons at the fixed points. Thus we can understand transitions among perturbative vacua as well.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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