Large-N_c meson theory
classification
✦ hep-th
hep-ph
keywords
auxiliarybilocaleffectivefieldslagrangianlarge-nlight-conemeson
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We derive an effective Lagrangian for meson fields. This is done in the light-cone gauge for two-dimensional large-N_c QCD by using the bilocal auxiliary field method. The auxiliary fields are bilocal on light-cone space and their Fourier transformation determines the parton momentum distribution. As the first test of our method, the 't Hooft equation is derived from the effective Lagrangian.
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