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Finiteness of multi-loop superstring amplitudes | | G. S. Danilov
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5 Dec 1997 | | Subject: | hep-th | | Abstract: | Superstring amplitudes of an arbitrary genus are calculated through super-Schottky parameters by a summation over the fermion strings. For a calculation of divergent multi-loop fermion string amplitudes a supermodular invariant regularization procedure is used. A cancellation of divergences in the superstring amplitudes is established. Grassmann variables are integrated, the superstring amplitudes are obtained to be explicitly finite and modular invariant. | | Source: | arXiv, hep-th/9801013 | | Services: | Forum | Review | PDF | Favorites | |
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