Computation of the radiation amplitude of oscillons

Details Computation of the radiation amplitude of oscillons Computation of the radiation amplitude of oscillons

2008-12-10

arxiv.org/abs/0812.1919v1

Phys.Rev.D79:065002,2009

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, 9 figures

Scientific paper

10.1103/PhysRevD.79.065002

The radiation loss of small amplitude oscillons (very long-living, spatially localized, time dependent solutions) in one dimensional scalar field theories is computed in the small-amplitude expansion analytically using matched asymptotic series expansions and Borel summation. The amplitude of the radiation is beyond all orders in perturbation theory and the method used has been developed by Segur and Kruskal in Phys. Rev. Lett. 58, 747 (1987). Our results are in good agreement with those of long time numerical simulations of oscillons.

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