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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.

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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