The phantom term in open string field theory

A bstract We show that given any two classical solutions in open string field theory and a singular gauge transformation relating them, it is possible to write the second solution as a gauge transformation of the first plus a singular, projector-like state which describes the shift in the open strin...

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Veröffentlicht in:The journal of high energy physics 2012-06, Vol.2012 (6), Article 84
Hauptverfasser: Erler, Theodore, Maccaferri, Carlo
Format: Artikel
Sprache:eng
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Zusammenfassung:A bstract We show that given any two classical solutions in open string field theory and a singular gauge transformation relating them, it is possible to write the second solution as a gauge transformation of the first plus a singular, projector-like state which describes the shift in the open string background between the two solutions. This is the “phantom term.” We give some applications in the computation of gauge invariant observables.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP06(2012)084