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arxiv: hep-th/9605028 · v2 · submitted 1996-05-05 · ✦ hep-th

Threshold effects in open-string theory

classification ✦ hep-th
keywords theoryeffectsthresholdactionanalyzecompactificationseffectiveentirely
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We analyze the one-loop effective gauge-field action in $Z_2$-orbifold compactifications of type-I theory. We show how, for non-abelian group factors, the threshold effects are ultraviolet finite though given entirely by a six-dimensional field theory expression.

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