  We use the low-energy effective field theory for holes coupled to the
staggered magnetization in order to investigate the localization of holes on a
Skyrmion in a square lattice antiferromagnet. When two holes get localized on
the same Skyrmion, they form a bound state. The quantum numbers of the bound
state are determined by the quantization of the collective modes of the
Skyrmion. Remarkably, for p-wave states the quantum numbers are the same as
those of a hole-pair bound by one-magnon exchange. Two holes localized on a
Skyrmion with winding number $n = 1$ or 2 may have s- or d-wave symmetry as
well. Possible relations with preformed Cooper pairs of high-temperature
superconductors are discussed.
