Computation of amplitudes in the discretized approach to string field theory
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Computation of amplitudes in the discretized approach to string field theory

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Computation of amplitudes in the discretized approach to string field theory

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Bordes Villagrasa, José M.; Lizzi, Fedele
Aquest document és un/a article, creat/da en: 1988
An approach to Witten string field theory based on the discretization of the world sheet is adopted. We use it to calculate tree amplitudes with the formulation of the theory based on string functionals. The results are evaluated numerically and turn out to be very accurate, giving, for a string approximated by 600 points, values within 0.02% of the prediction of the dual model. The method opens a way to calculate amplitudes in string field theory using nonflat backgrounds as well as compactified dimensions.

    Bordes Villagrasa, José M. Lizzi, Fedele 1988 Computation of amplitudes in the discretized approach to string field theory Physical Review Letters 61 3 278 281
http://dx.doi.org/10.1103/PhysRevLett.61.278
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