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Abstract: We present a comprehensive, nonperturbative analytical method to investigatethe dynamics of time-dependent oscillating scalar field configurations. Themethod is applied to oscillons in a double well Klein-Gordon model in two andthree spatial dimensions, yielding high accuracy results in thecharacterization of all aspects of the complex oscillon dynamics. Inparticular, we show how oscillons can be interpreted as long-livedperturbations about an attractor in field configuration space. By investigatingtheir radiation rate as they approach the attractor, we obtain an accurateestimate of their lifetimes in d=3 and explain why they seem to beperturbatively stable in d=2, where d is the number of spatial dimensions.

Autor: Marcelo Gleiser, David Sicilia

Fuente: https://arxiv.org/

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