Casimir Effect Between World-Branes in Heterotic M-Theory

Michal Fabinger, Petr Horava

We study a non-supersymmetric $E_8\times {\bar{E}}_8$ compactification of M-theory on $S^1/Z_2$, related to the supersymmetric $E_8\times E_8$ theory by a chirality flip at one of the…