On a modification of the boundary state formalism in off-shell string theory
E. T. Akhmedov+*, M. Laidlaw+, G. W. Semenoff+
+Department of Physics and Astronomy, University of British Columbia
Vancouver, British Columbia, Canada V6T 1Z1
*Institute of Theoretical and Experimental Physics, 117259 Moscow, Russia
PACS: 11.25.-w
Abstract
We examine the application of boundary states in computing
amplitudes in off-shell open string theory. We find a straightforward
generalization of boundary state which produces the correct matrix
elements with on-shell closed string states.