Off-shell structure of the string sigma model
The off-shell structure of the string sigma model is investigated. In the open bosonic string, nonperturbative effects appear to depend crucially on the regularization scheme. A scheme retaining the notion of string width reproduces the structure of Witten's string field theory.
Alan Kostelecky V
Physics Department, Indiana University, Bloomington, Indiana 47405, USA.
Perry
MJ
Potting
R