String production at the level of effective field theory

Details String production at the level of effective field theory String production at the level of effective field theory

2003-05-12

arxiv.org/abs/hep-th/0305099v2

Phys.Rev. D69 (2004) 123507

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, latex2e. v2: a reference added

Scientific paper

10.1103/PhysRevD.69.123507

Pair creation of strings in time-dependent backgrounds is studied from an effective field theory viewpoint, and some possible cosmological applications are discussed. Simple estimates suggest that excited strings may have played a significant role in preheating, if the string tension as measured in four-dimensional Einstein frame falls a couple of orders of magnitude below the four-dimensional Planck scale.

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