Finite momentum at string endpoints

Abstract

We argue that classical strings, both bosonic and supersymmetric, can have finite energy and momentum at their endpoints. We show that in a general curved background, string endpoints must propagate along null geodesics as long as their energy remains finite. Finite endpoint momentum allows strings with a fixed energy to travel a greater distance in an AdS5-Schwarzschild background than has been possible for classical solutions considered previously. We review the relevance to heavy ion phenomenology of the dependence of this distance on energy, and we propose a scheme for determining the instantaneous rate of energy loss.

28 pages, 4 figures

References in corpus (6)

• Energy loss of a heavy quark moving through N=4 supersymmetric Yang-Mills plasma
• Drag force in AdS/CFT
• Light quark energy loss in strongly-coupled N = 4 supersymmetric Yang-Mills plasma
• Gluon energy loss in the gauge-string duality
• Jets in strongly-coupled N = 4 super Yang-Mills theory
• The type II superstring to order theta^4

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