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DeTar, Carleton | Topological susceptibility with the improved Asqtad action | Chiral perturbation theory predicts that in quantum chromodynamics light dynamical quarks suppress the topological (instanton) susceptibility.We investigate this suppression through direct numerical simulation using the Asqtad improved lattice fermion action. This action holds promise for carrying... | Chiral perturbation; Staggered fermions | 2003-12 |
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