THREE-LOOP BETA-FUNCTIONS FOR THE BOSONIC NON-LINEAR SIGMA MODEL WITH A WESS-ZUMINO-WITTEN TERM

Chin. Phys. Lett.

1989, Vol. 6

Issue (6): 245-248 DOI:

Original Articles

THREE-LOOP BETA-FUNCTIONS FOR THE BOSONIC NON-LINEAR SIGMA MODEL WITH A WESS-ZUMINO-WITTEN TERM

ZHANG Lin

Southwestern Institute of Physics, Leshan

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ZHANG Lin 1989 Chin. Phys. Lett. 6 245-248

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Abstract We present the details of an explicit calculation of UV divergences upto three loops of the two-dimensional non-linear sigma model with a Wess-Zumino-Wittcn term and compute a low-energy effective action relevant for string scattering amplitude.

Published: 01 June 1989

PACS:

1110

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1989/V6/I6/0245

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