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Physics Letters B
Treating the bilocal quark-quark interaction kernel as an input parameter, the self-energy functions can be determined from the "rainbow" Dyson-Schwinger equation, which is obtained in the global color symmetry model. The tensor susceptibility of QCD vacuum can be calculated directly from these self-energy functions. The values we obtained are much smaller than the estimations from QCD sum rules and from chiral constituent quark model.doi:10.1016/s0370-2693(03)00174-6 fatcat:lo5fgewfczetjfvnjlecvdap2u