Generating and verifying graph states for fault-tolerant topological measurement-based quantum computing in two-dimensional optical lattices

We acknowledge J. K. Pachos for useful discussions and financial support from the European Commission of the European Union under the FP7 Integrated Project Q-ESSENCE, the Spanish MICINN Project FIS2009-10061, FPU No. AP 2009-1761, and CAM research consortium QUITEMAD S2009-ESP-1594.