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hep-th2008★ 1 cited
Negative-Tension Branes and Tensionless 1/2 Brane in Boundary Conformal Field Theory
Akira Ishida, Chanju Kim, Yoonbai Kim +1
In the framework of boundary conformal field theory we consider a flat unstable D-brane in the presence of a large constant electromagnetic field. Specifically, we study the cas…
hep-th2008
Lower Dimensional Branes in Boundary Conformal Field Theory
Akira Ishida, Yoonbai Kim, Chanju Kim +1
In the presence of constant background electromagnetic fields, we discuss three types of exactly marginal boundary tachyon operators for static kinks in boundary conformal field th…
hep-th2007★ 2 cited
BPS Limit of Multi- D- and DF-strings in Boundary String Field Theory
Gyungchoon Go, Akira Ishida, Yoonbai Kim
A BPS limit is systematically derived for straight multi- D- and DF-strings from the D3D3bar system in the context of boundary superstring field theory. The BPS limit is obtained i…