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Studies of off-shell amplitudes in string theory

Thesis/Dissertation ·
OSTI ID:5219220
Off-shell amplitudes for the open bosonic string and the closed spinning string are considered. Due to the presence of corners on the open string world sheet, strict Weyl invariance is broken. A consistent gauge-fixing procedure to treat this anomaly is described. Factorization of amplitudes with one or two off-shell strings and any number of on-shell tachyons is established. An attempt is made to construct a propagator for the spinning string. The inherent ambiguities in the choice of boundary conditions for the fermionic coordinates are outlined.
Research Organization:
State Univ. of New York, Stony Brook, NY (United States)
OSTI ID:
5219220
Country of Publication:
United States
Language:
English