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We consider the doped Rokhsar-Kivelson quantum dimer model on the triangularlattice with one mobile hole (monomer) at the Rokhsar-Kivelson point. Themotion of the hole is described by two branches of excitations: the hole mayeither move with or without a trapped Z2 vortex (vison). We perform a study ofthe hole dispersion in the limit where the hole hopping amplitude is muchsmaller than the interdimer interaction. In this limit, the hole without visonmoves freely and has a tight-binding spectrum. On the other hand, the hole witha trapped vison is strongly constrained due to interference effects and canonly move via higher-order virtual processes.

Single hole and vortex excitations in the doped Rokhsar-Kivelson quantum dimer model on the triangular lattice