Mukhi, Sunil ; Panda, Sudhakar (1988) Multiloop correlators and bosonic string amplitudes in the operator formalism Physics Letters B: Nuclear Physics and Particle Physics, 203 (4). pp. 387-392. ISSN 0370-2693
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037026...
Related URL: http://dx.doi.org/10.1016/0370-2693(88)90188-8
Abstract
The operator formalism for bosonic free fields on Riemann surfaces is used to determine correlation functions for closed bosonic string vertex operators corresponding to the emission of tachyons, gravitons, antisymmetric tensor fields and dilatons. This is generalized to correlators of a "vertex generating operator" from which those of arbitary excited states can be deduced by differentiation. Results are obtained for correlators over arbitary points of the bosonic universal grassmannian manifold (UGM) and the specialized to Riemann surfaces of arbitary genus and period matrix. The corresponding string scattering amplitudes can be explicitly written down in genus one, two and three.
Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier Science. |
ID Code: | 20895 |
Deposited On: | 20 Nov 2010 13:23 |
Last Modified: | 20 Nov 2010 13:23 |
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