Oscillons and Quasi-breathers in the ϕ^4 Klein-Gordon model

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dc.creatorFodor, Gyula
dc.creatorForgács, Péter
dc.creatorGrandclément, Philippe
dc.creatorRácz, István
dc.date2006-09-04
dc.date.accessioned2026-07-07T11:07:14Z
dc.date.available2026-07-07T11:07:14Z
dc.descriptionStrong numerical evidence is presented for the existence of a continuous family of time-periodic solutions with ``weak'' spatial localization of the spherically symmetric non-linear Klein-Gordon equation in 3+1 dimensions. These solutions are ``weakly'' localized in space in that they have slowly decaying oscillatory tails and can be interpreted as localized standing waves (quasi-breathers). By a detailed analysis of long-lived metastable states (oscillons) formed during the time evolution it is demonstrated that the oscillon states can be quantitatively described by the weakly localized quasi-breathers.It is found that the quasi-breathers and their oscillon counterparts exist for a whole continuum of frequencies.
dc.description33 pages, 34 figures
dc.identifierhttps://arxiv.org/abs/hep-th/0609023
dc.identifierhttp://arxiv.org/abs/hep-th/0609023
dc.identifierPhys.Rev.D74:124003,2006
dc.identifierdoi:10.1103/PhysRevD.74.124003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/189773
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.titleOscillons and Quasi-breathers in the ϕ^4 Klein-Gordon model
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