A new exact dynamical fermion algorithm is applied to SU(3) lattice gauge theory with fermions. Although the algorithm gives correct answers, it reaches equilibrium slowly and there is some evidence indicating that it explores configuration space inefficiently. This suggests that for QCD this method is inferior to extrapolation of Langevin or hybrid molecular-dynamics methods to zero step size.
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Gottlieb et al. (1987) studied this question.
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