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D-sphalerons and the topology of string configuration space

Harvey, Jeffrey A. and Hořava, Petr and Kraus, Per (2000) D-sphalerons and the topology of string configuration space. Journal of High Energy Physics, 2000 (3). Art. No. 21. ISSN 1126-6708. doi:10.1088/1126-6708/2000/03/021.

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We show that unstable D-branes play the role of ``D-sphalerons'' in string theory. Their existence implies that the configuration space of type-II string theory has a complicated homotopy structure, similar to that of an infinite grassmannian. In particular, the configuration space of type-IIA (-IIB) string theory on Bbb R10 has non-trivial homotopy groups πk for all k even (odd).

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Additional Information:Copyright © 2000 Institute of Physics Received 31 January 2000, accepted for publication 14 March 2000, Published 3 May 2000 We would like to thank Eric Gimon, Ruth Gregory, Chris Hull, Emil Martinec, Djordje Minic, Albert Schwarz, Steve Shenker, and Edward Witten for helpful conversations. The work of J.H. is supported in part by NSF Grant No. PHY 9901194. The work of P.H. is supported in part by a Sherman Fairchild Prize Fellowship, and by DOE Grant No. DE-FG03-92-ER 40701. The work of P.K. is supported in part by NSF Grant No. PHY 9901194 and by NSF Grant No. PHY94-07194.
Subject Keywords:Nonperturbative Effects, Solitons Monopoles and Instantons, D-branes
Issue or Number:3
Record Number:CaltechAUTHORS:HARjhep00
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1871
Deposited By: Archive Administrator
Deposited On:21 Feb 2006
Last Modified:08 Nov 2021 19:43

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