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Non-BPS D-branes and M-theory
Author(s) -
Matthias R. Gaberdiel,
Sakura SchäferNameki
Publication year - 2001
Publication title -
journal of high energy physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.998
H-Index - 261
eISSN - 1126-6708
pISSN - 1029-8479
DOI - 10.1088/1126-6708/2001/09/028
Subject(s) - orbifold , orientifold , compactification (mathematics) , brane cosmology , physics , string theory , theoretical physics , gauge theory , mathematical physics , mathematics , pure mathematics
A dual pair of supersymmetric string theories that involves an asymmetricorbifold and an orientifold of Type II is considered. The D-branes of theorbifold theory (that were recently determined by Gutperle) are all non-BPS anddo not carry any conserved gauge charges. It is shown that they carrynon-trivial K-theory charges, and that they can be understood in terms ofbranes wrapping certain homology classes of the M-theory compactification.Using the adiabatic argument, dual partners of some of these non-BPS D-branesare proposed. The relations between these dual states are found to be inagreement with the M-theory description of the D-branes.Comment: 21 pages, 1 figure; harvmac b-mode; reference adde

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