Geodesic
Anomalies of quantum currents in exactly solvable models
Teoretičeskaâ i matematičeskaâ fizika, Tome 29 (1976) no. 2, pp. 161-170

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The quantum conserved currents of the sine-Gordon equation and the massive Thirring model are analyzed. The anomalous terms that arise in the Ward identities as a result of the renormalization lead only to multiplication by a constant of the laws of conservation of the sums of the corresponding powers of the momenta of the particles of the initial and the final state. Factorization of the $S$-matrix is preserved in the quantum theory in all perturbation orders. 
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     author = {P. P. Kulish and E. R. Nisimov},
     title = {Anomalies of quantum currents in exactly solvable models},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {161--170},
     publisher = {mathdoc},
     volume = {29},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1976_29_2_a2/}
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P. P. Kulish; E. R. Nisimov. Anomalies of quantum currents in exactly solvable models. Teoretičeskaâ i matematičeskaâ fizika, Tome 29 (1976) no. 2, pp. 161-170. http://geodesic.mathdoc.fr/item/TMF_1976_29_2_a2/