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Open string states and D-brane tension from vacuum string field theory

Okawa, Yuji (2002) Open string states and D-brane tension from vacuum string field theory. Journal of High Energy Physics, 2002 (7). 003. ISSN 1126-6708.

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We propose a description of open string fields on a D25-brane in vacuum string field theory. We show that the tachyon mass is correctly reproduced from our proposal and further argue that the mass spectrum of all other open string states is correctly obtained as well. We identify the string coupling constant from the three-tachyon coupling and show that the tension of a D25-brane is correctly expressed in terms of the coupling constant, which resolves the controversy in the literature. We also discuss a reformulation of our description which is rather similar to boundary string field theory.

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Additional Information:© SISSA/ISAS 2002 Received 29 June 2002, accepted for publication 1 July 2002, Published 16 July 2002 I would like to thank Teruhiko Kawano and Takuya Okuda for collaborative discussions throughout the work and Hirosi Ooguri for useful discussions. I also thank Martin Schnabl for his help in the analytic evaluation of the integral I3=2 in appendix D. This work was supported in part by the DOE grant DE-FG03-92ER40701 and by a McCone Fellowship in Theoretical Physics from California Institute of Technology.
Subject Keywords:Bosonic Strings, Tachyon Condensation, String Field Theory
Issue or Number:7
Record Number:CaltechAUTHORS:OKAjhep02
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1188
Deposited By: Archive Administrator
Deposited On:04 Jan 2006
Last Modified:02 Oct 2019 22:40

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