Unambiguous fermionic-string amplitudes
Journal Article
·
· Phys. Rev. Lett.; (United States)
We show how to treat boundary divergences in heterotic string theory covariantly and unambiguously. The method applies even to theories with nonvanishing tadpoles; in this case the Fischler-Susskind mechanism sufficies to ensure well defined answers. Also /ital n/-point functions are well defined with no special string-tension renormalizations. As an example we find the loop corrections to the linearized background equations of motion for the O(16)/times/O(16) string needed to give unambiguous, finite scattering amplitudes. No splitting or projection of supermoduli space is needed.
- Research Organization:
- Physics Department, Boston University, Boston, Massachusetts 02215(US); Physics Department, University of Pennsylvania, Philadelphia, Pennsylvania 19104
- OSTI ID:
- 5960429
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 63:1; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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