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Transitions of orbifold vacua

Title
Transitions of orbifold vacua
Authors
Choi K.-S.Kobayashi T.
Ewha Authors
최강신
SCOPUS Author ID
최강신scopus
Issue Date
2019
Journal Title
Journal of High Energy Physics
ISSN
1126-6708JCR Link
Citation
Journal of High Energy Physics vol. 2019, no. 7
Keywords
Brane Dynamics in Gauge TheoriesSuperstring VacuaSuperstrings and Heterotic Strings
Publisher
Springer Verlag
Indexed
SCOPUS WOS scopus
Document Type
Article
Abstract
We study the global structure of vacua of heterotic strings compactified on orbifolds T4/ℤN (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. © 2019, The Author(s).
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DOI
10.1007/JHEP07(2019)111
Appears in Collections:
스크랜튼대학 > 스크랜튼학부 > Journal papers
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