Off-shell amplitudes for nonoriented closed strings

Abstract

In the context of the bosonic closed string theory, by using the operatorial formalism, we give a simple expression of the off-shell amplitude with an arbitrary number of external massless states inserted on the Klein bottle.

12 pages, LaTeX

References in corpus (3)

• String techniques for the calculation of renormalization constants in field theory
• Multiloop World-Line Green Functions from String Theory
• On off-shell bosonic string amplitudes

Cited by in corpus (4)

• String Theory and Noncommutative Field Theories at One Loop
• Two-Loop ${\varphi }^4$-Diagrams from String Theory
• Systematics of one-loop Yang-Mills diagrams from bosonic string amplitudes
• On the gauge chosen by the bosonic open string