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Wound string scattering in NCOS theory
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Physics, Department of Theoretical Physics.
2001 In: Physics Letters B, ISSN 0370-2693, Vol. 502, 235-238 p.Article in journal (Refereed) Published
Place, publisher, year, edition, pages
2001. Vol. 502, 235-238 p.
Identifiers
URN: urn:nbn:se:uu:diva-92058OAI: oai:DiVA.org:uu-92058DiVA: diva2:165008
Available from: 2004-09-14 Created: 2004-09-14Bibliographically approved
In thesis
1. Spin-offs from Stretching a Point: Strings, Branes and Higher Spin
Open this publication in new window or tab >>Spin-offs from Stretching a Point: Strings, Branes and Higher Spin
2004 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

String theory has proved to be a valuable theoretical laboratory for probing gravity and gauge theory in a unified framework. In this thesis some of the exciting spin-offs of string theory such as branes and higher spin are studied. After a review of the basics of string theory the four papers of the thesis are discussed. In the first paper we support the equivalence between two descriptions of non-commutative open strings by calculating scattering amplitudes in both approaches. The second paper gives a physical interpretation of the fact that Ramond-Ramond charge in string theory on SU(2) is only defined modulo an integer. In the third paper we calculate contributions to the stress-energy tensor of higher-spin theory in four dimensional AdS space, and in the last paper of the thesis we compare the free energy of the two dimesional type 0A extremal blackhole and find agreement with the corresponding quantity in a deformed matrix model.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2004. 88 p.
Series
Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1104-232X ; 1007
Keyword
Theoretical physics, Theoretical physics, String theory, D-branes, Higher-spin gauge theory, Matrix models, Non-commutative open string theory, Teoretisk fysik
National Category
Physical Sciences
Identifiers
urn:nbn:se:uu:diva-4521 (URN)91-554-6024-0 (ISBN)
Public defence
2004-10-07, Å4001, Ångströmlaboratoriet, Lägerhyddsvägen 1, Polacksbacken, Uppsala, Sweden, 10:00
Opponent
Supervisors
Available from: 2004-09-14 Created: 2004-09-14Bibliographically approved

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