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Time evolution in string field theory and T-duality

Ilderton, Anton; Mansfield, Paul


Anton Ilderton

Paul Mansfield


The time evolution operator (Schrödinger functional) of quantum field theory can be expressed in terms of first quantised particles moving on S1/Z2. We give a graphical derivation of this that generalises to second quantised string theory. T-duality then relates evolution through time t with evolution through 1/t and an interchange of string fields and backgrounds.


Ilderton, A., & Mansfield, P. (2005). Time evolution in string field theory and T-duality. Physics Letters B, 607(3-4), 294-301.

Journal Article Type Article
Acceptance Date Dec 16, 2004
Publication Date Feb 10, 2005
Deposit Date Jun 16, 2015
Publicly Available Date Jun 16, 2015
Journal Physics Letters B
Print ISSN 0370-2693
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 607
Issue 3-4
Pages 294-301
Keywords String field theory, Sewing, Time evolution, T-duality.
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