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A Note on Topological M5-branes and String-Fivebrane Duality

Ling Bao (Institutionen för fundamental fysik, Matematisk fysik) ; Martin Cederwall (Institutionen för fundamental fysik, Matematisk fysik) ; Bengt E. W. Nilsson (Institutionen för fundamental fysik, Matematisk fysik)
(2006)
[Preprint]

We derive the stability conditions for the M5-brane in topological M-theory using kappa-symmetry. The non-linearly self-dual 3-form on the world-volume is necessarily non-vanishing, as is the case also for the 2-form field strengths on coisotropic branes in topological string theory. It is demonstrated that the self-duality is consistent with the stability conditions, which are solved locally in terms of a tensor in the representation 6 of SU(3) in G_2. The double dimensional reduction of the M5-brane is the D4-brane, and its direct reduction is an NS5-brane. We show that the equation of motion for the 3-form on the NS5-brane wrapping a Calabi-Yau space is exactly the Kodaira-Spencer equation, providing support for a string-fivebrane duality in topological string theory.



Denna post skapades 2006-09-12. Senast ändrad 2015-12-17.
CPL Pubid: 18518

 

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Institutioner (Chalmers)

Institutionen för fundamental fysik, Matematisk fysik (2005-2013)

Ämnesområden

Algebra och geometri
Fysik

Chalmers infrastruktur