NRQCD on an anisotropic lattice
  We present preliminary results for the Upsilon spectrum on an anisotropic lattice using the improved O(mv^6) NRQCD Hamiltonian. We find accurate results can be obtained in moderate computer times and that they agree with earlier results on an isotropic lattice. 
I.T. Drummond, R.R. Horgan, T. Manke, H.P. Shanahan