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arXiv · hep-th/9803025

Effective action and tension renormalization for cosmic and fundamental strings

Alessandra Buonanno·Thibault Damour
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Abstract

We derive the effective action for classical strings coupled to dilatonic, gravitational, and axionic fields. We show how to use this effective action for: (i) renormalizing the string tension, (ii) linking ultraviolet divergences to the infrared (long-range) interaction between strings, (iii) bringing additional light on the special cancellations that occur for fundamental strings, and (iv) pointing out the limitations of Dirac's celebrated field-energy approach to renormalization.

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Alessandra Buonanno, Thibault Damour. 1998-07-10. Effective action and tension renormalization for cosmic and fundamental strings. https://doi.org/10.1016/s0370-2693(98)00609-1

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