On the duality between perturbative heterotic orbifolds and M-theory on T4/ZN

V. Kaplunovsky*, J. Sonnenschein, S. Theisen, S. Yankielowicz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The heterotic E8×E8 string compactified on an orbifold T4/ZN has gauge group G×G′ with (massless) states in its twisted sectors which are charged under both gauge group factors. In the dual M-theory on (T4/ZN)⊗(S1/Z2) the two group factors are separated in the eleventh direction and the G and G′ gauge fields are confined to the two boundary planes, respectively. We present a scenario which allows for a resolution of this apparent paradox and assigns all massless matter multiplets locally to the different six-dimensional boundary fixed planes. The resolution consists of diagonal mixing between the gauge groups which live on the connecting seven-planes (6d and the eleventh dimension) and one of the gauge group factors. We present evidence supporting this mixing by considering gauge couplings and verify local anomaly cancellation. We also discuss open problems which arise in the presence of U1 factors.

Original languageEnglish
Pages (from-to)123-160
Number of pages38
JournalNuclear Physics B
Volume590
Issue number1-2
DOIs
StatePublished - 4 Dec 2000

Funding

FundersFunder number
German–Israeli Foundation for Scientific Research
Robert A. Welsh Foundation
US National Science Foundation#PHY-95-11632
US–Israeli Binational Science Foundation
European CommissionERBFMRX-CT96-0045
Israel Science FoundationDFG-SFB-375

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