Strings in background electric field, space/time noncommutativity and a new noncritical string theory
Date
2000ISSN
1029-8479Source
Journal of High Energy PhysicsVolume
2000Issue
06Pages
021.1-021.12Google Scholar check
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Searching for space/time noncommutativity we reconsider open strings in a constant background electric field. The main difference between this situation and its magnetic counterpart is that here there is a critical electric field beyond which the theory does not make sense. We show that this critical field prevents us from findhig a limit in which the theory becomes a field theory on a noncommutative spacetime. However, an appropriate limit toward the critical field leads to a novel noncritical string theory on a noncommutative spacetime.