Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-03-03
Phys.Lett. B432 (1998) 51-57
Physics
High Energy Physics
High Energy Physics - Theory
13 pages, RevTex, one paragraph added at the end
Scientific paper
10.1016/S0370-2693(98)00609-1
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.
Buonanno Alessandra
Damour Thibault
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