Non-BPS Fractional Branes with Bose-Fermi Cancellation in Asymmetric Orbifolds

Yuji Sugawara, Takahiro Uetoko

We study non-BPS D-branes in the type II string vacua with chiral space-time SUSY constructed based on the asymmetric orbifolds of $\mbox{K3} \cong T^4/{\Bbb Z}_2$ as a succeeding…