D-branes with Lorentzian signature in the Nappi-Witten model
Apr, 201122 pages
Published in:
- JHEP 08 (2011) 047
e-Print:
- 1104.4730 [hep-th]
Report number:
- UCM-FTI-250411-2
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Abstract: (arXiv)
Lorentzian signature D-branes of all dimensions for the Nappi-Witten string are constructed. This is done by rewriting the gluing condition for the model chiral currents on the brane as a well posed first order differential problem and by solving it for Lie algebra isometries other than Lie algebra automorphisms. By construction, these D-branes are not twined conjugacy classes. Metrically degenerate D-branes are also obtained.- D-branes
- Penrose limit and pp-wave background
- algebra: Lie
- model: chiral
- D-brane
- signature
- membrane model
- string
- Lorentz
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