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Physical Review D
We revisit the role of color mixing in the quark-model calculation of tetraquark states, and compare simple pairwise potentials to more elaborate string models with three- and four-body forces. We attempt to disentangle the improved dynamics of confinement from the approximations made in the treatment of the internal color degrees of freedom.doi:10.1103/physrevd.87.034040 fatcat:eegyzvmltndkpcc5ljjyq6ryae