Abstract
A new type of superstring theory is constructed as a chiral combination of the closed bosonic and fermionic strings. The theory is supersymmetric, Lorentz invariant, and free of tachyons. Consistency requires the gauge group to be or .
- Received 21 November 1984
DOI:https://doi.org/10.1103/PhysRevLett.54.502
©1985 American Physical Society