On Non-tachyonic Z_N x Z_M Orientifolds of Type 0B String Theory
Preprint
- 2 September 1999
Abstract
We study open descendants of four dimensional Z_N x Z_M orbifolds of the non-supersymmetric type 0B string theory. An exhaustive analysis shows, that using the crosscap constraint the only model for which one can project out the tachyon is the Z_2 x Z_2 orbifold. For this case we explicitly construct the open string amplitudes. The gauge group corresponding to the various inequivalent Klein bottle projections turns out to be either symplectic or unitary.Keywords
All Related Versions
- Version 1, 1999-09-02, ArXiv
- Published version: Physics Letters B, 469 (1-4), 113.
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