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General bound-state structure of the massive Schwinger model
Within the Euclidean path integral and mass perturbation theory we derive,
from the Dyson-Schwinger equations of the massive Schwinger model, a general
formula that incorporates, for sufficiently small fermion mass, all the
bound-state mass poles of the massive Schwinger model. As an illustration we
perturbatively compute the masses of the three lowest bound states.Comment: 11 pages, 7 figures, needed macro: psbox.te