20 citations · 29 across the 3 of their papers we have counts for
3 papers
hep-th2005★ 2 cited
BPS branes in discrete torsion orbifolds
H. Klemm
We investigate D-branes in a Z_3xZ_3 orbifold with discrete torsion. For this class of orbifolds the only known objects which couple to twisted RR potentials have been non-BPS bran…
hep-th2004★ 20 cited
N=2 Superconformal boundary states for free bosons and fermions
Matthias R. Gaberdiel, Hanno Klemm
The most general N=2 superconformal boundary states for the c=3 theory consisting of two (uncompactified) free bosons and fermions are constructed. It is shown that the only N=2 bo…
hep-th2003★ 7 cited
Embedding Diagrams of the N=2 Superconformal Algebra under Spectral Flow
Hanno Klemm
The embedding diagrams of representations of the N=2 superconformal algebra with central charge c=3 are given. Some non-unitary representations possess subsingular vectors that are…