Path Integral Bosonization of the Massive Thirring Model *
نویسنده
چکیده
We bosonize the massive Thirring model in the path integral. The kinetic term of the bosonic theory is found by performing a finite chiral rotation of the Thirring fermion, while the potential is obtained by integrating out the fermion. The resulting bosonic theory is the sine–Gordon model, and thus we reproduce Coleman’s old results. We use a new parametric representation of the fermion propagator to achieve this. PACS numbers: 12.39.Fe; 11.10.Kk; 11.30.Qc
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تاریخ انتشار 1998