High Energy String Collisions in a Compact Space

High Energy String Collisions in a Compact Space

When high energy strings scatter at fixed angle, their amplitudes characteristically fall off exponentially with energy, \({\cal A} \sim \exp(-s \times const.)\). We show that in a compact space this suppression disappears for certain kinematic configurations. Amplitudes are power-law behaved and th...

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Veröffentlicht in:arXiv.org 1994-01
1. Verfasser: Mende, Paul F
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Amplitudes
Configurations
Spacetime
Strings
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description When high energy strings scatter at fixed angle, their amplitudes characteristically fall off exponentially with energy, \({\cal A} \sim \exp(-s \times const.)\). We show that in a compact space this suppression disappears for certain kinematic configurations. Amplitudes are power-law behaved and therefore greatly enhanced. In spacetime this corresponds to fixed-angle scattering, with fixed transfer in the compact dimensions. On the worldsheet this process is described by a stationary configuration of effective charges and vortices with vanishing total energy. It is worldsheet duality---and not spacetime duality---that plays a role.
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subjects Amplitudes
Configurations
Spacetime
Strings
title High Energy String Collisions in a Compact Space
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