Callan-Symanzik equations and low-energy theorems with trace anomalies
J. -F. Yang
Abstract
Basing on some new and concise forms of the Callan-Symanzik equations, the low-energy theorems involving trace anomalies à la Novikov-Shifman-Vainshtein-Zakharov, first advanced and proved in Nucl. Phys. B165, 67 (1980), B191, 301 (1981), are proved as immediate consequences. The proof is valid in any consistent effective field theories and these low-energy theorems are hence generalized. Some brief discussions about related topics are given.
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