Abstract
We study D-branes in a nonsupersymmetric orbifold of type
2/Γ, perturbed by a tachyon condensate, using a gauged
linear sigma model. The RG flow has both Higgs and Coulomb branches,
and each branch supports different branes. The Coulomb branch branes
account for the ``brane drain'' from the Higgs branch, but their
precise relation to fractional branes has hitherto been unknown.
Building on the results of hep-th/0403016 we construct, in detail,
the map between fractional branes and the Coulomb/Higgs branch branes
for two examples in the type 0 theory. This map depends on the phase
of the tachyon condensate in a surprising and intricate way. In the
mirror Landau-Ginzburg picture the dependence on the tachyon phase is
manifested by discontinuous changes in the shape of the D-brane.
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