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arXiv · hep-th/9606189

Flat Directions in $Z_{2n}$ Orbifold Models

Yoshiharu Kawamura·Tatsuo Kobayashi
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Abstract

We study generic features related to matter contents and flat directions in $Z_{2n}$ orbifold models. It is shown that $Z_{2n}$ orbifold models have massless conjugate pairs, $R$ and $\overline R$, in certain twisted sectors as well as one of untwisted subsectors. Using these twisted sectors, $Z_{2n}$ orbifold models are classified into two types. Conjugate pairs, $R$ and $\overline R$, lead to $D$-flatness as $\langle R \rangle = \langle \overline R \rangle \neq 0$. We investigate generic superpotentials derived from orbifold models so as to show that this direction is indeed a flat direction.

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Yoshiharu Kawamura, Tatsuo Kobayashi. 1996-07-01. Flat Directions in $Z_{2n}$ Orbifold Models. https://doi.org/10.1016/s0550-3213(96)00533-0

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