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Coupled klein-gordon

WebOct 12, 2024 · We construct three efficient and accurate numerical methods for solving the Klein–Gordon–Schrödinger (KGS) equations with/without damping terms. The first one is based on the original SAV approach, it preserves a modified Hamiltonian but does not preserve the wave energy. WebAug 29, 2024 · The numerical solution of coupled nonlinear Klein-Gordon equations on …

Solitary waves for nonlinear Klein–Gordon–Maxwell and …

WebNov 25, 2024 · The Einstein-Klein-Gordon coupled system: global stability of the Minkowski solution. We prove definitive results on the global stability of the flat space among solutions of the Einstein-Klein-Gordon system. Our main theorems in this monograph include: (1) A proof of global regularity (in wave coordinates) of solutions of the Einstein … WebJul 31, 2024 · Abstract We establish a uniform error estimate of a finite difference method for the Klein-Gordon-Schrödinger (KGS) equations with two dimensionless parameters 0 < γ ≤ 1 and 0 < ε ≤ 1, which are the mass ratio and inversely proportional to the … night time real estate photography https://blahblahcreative.com

Soliton solutions of coupled nonlinear Klein-Gordon equations

WebThis paper considers methods to extract exact, explicit, and new single soliton solutions related to the nonlinear Klein-Gordon-Schrödinger model that is utilized in the study of neutral scalar mesons associated with conserved scalar nucleons coupled through the Yukawa interaction. Three state of the art integration schemes, namely, the e−Φ(ξ) … WebA. 14 The Klein-Gordon equation. The Schrödinger equation for the quantum wave … WebMar 19, 2024 · We discuss the mechanism of spontaneous symmetry breaking and the elementary excitations for a weakly-interacting Bose gas at finite temperature. We consider both the non-relativistic case, described by the Gross-Pitaevskii equation, and the relativistic one, described by the cubic nonlinear Klein-Gordon equation. We analyze similarities … nsgz winnermedical.com

High-order conservative energy quadratization schemes …

Category:[PDF] Global solutions of the Klein-Gordon-Schrödinger system …

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Coupled klein-gordon

Non-Existence Results for the Coupled Klein-Gordon

WebAbstract. In this paper, the Chebyshev cardinal functions together with the extended … WebSep 30, 2024 · Exponential stability for the coupled Klein-Gordon-Schrödinger equations with locally distributed damping. Department of Mathematics, State University of Maringa, Maringa, 87020-900, Brazil. * Research partially supported by the CNPq grant 300631/2003-0. i ψ t + Δ ψ + i α b ( x) ( ψ 2 + 1) ψ = ϕ ψ χ ω in Ω × ( 0, ∞), ( α &gt; 0 ...

Coupled klein-gordon

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Webnonlinear coupled Klein-Gordon equation (Taghi zadeh 2011). The main advantage of the . method is the fact that it provides its user with an analytical approxi mation, in many cases an . WebSep 13, 2010 · Abstract We show the existence of standing-wave solutions to a coupled non-linear Klein-Gordon equation. Our solutions are obtained as minimizers of the energy under a two-charges constraint. We prove that the ground state is stable and that standing-waves are orbitally stable under a non-degeneracy assumption. View PDF on arXiv Save …

WebThe general Klein–Gordon–Schrödinger (gKGS) system is studied where the cubic auto-interactions are introduced in both the nonlinear Schrödinger and the nonlinear Klein–Gordon fields. WebDec 1, 2009 · Some new generalized solitary solutions of the …

WebJul 12, 2007 · Abstract. In this paper, we compare the classical conservative properties of … WebAug 1, 2004 · The coupled nonlinear Klein–Gordon equations are analyzed for their integrability properties in a systematic manner through Painlev e test. From the Painlev e test, by truncating the Laurent...

WebIn this paper, we study the nonlinear Klein-Gordon equation coupled with a Maxwell …

WebMay 22, 2008 · In this paper, we consider the 3-dimensional Klein-Gordon-Schrodinger system under the dinucleon interactions. By introducing the atomic spaces and establishing local Strichartz estimates for the… 4 Wellposedness in energy space for the nonlinear Klein-Gordon-Schrödinger system Qihong Shi, Wan-Tong Li, Shu Wang Mathematics … nighttime recoveryWebMay 28, 2010 · Download PDF Abstract: Consider, in dimension 3, a system of coupled … nsh03a15WebFlorida State University nsh077WebJan 1, 1975 · View. Show abstract. ... given by a Klein-Gordon equation coupled … night time reflectionsWebAug 15, 2024 · Numerical solutions of the coupled Klein–Gordon–Zakharov equations … night time reading lightWebAug 15, 2024 · Numerical solutions of the coupled Klein–Gordon–Zakharov equations are obtained by using quintic B-spline based differential quadrature method. A Runge–Kutta fourth method is used for time integration. Stability of the scheme is studied using matrix stability analysis. nsh101WebThe Klein-Gordon - Schroedinger system with Yukawa coupling is shown to have a unique global solution for rough data, which not necessarily have finite energy. The proof uses a generalized bilinear estimate of Strichartz type and Bourgain's idea to split the data into low and high frequency parts. View PDF on arXiv. night time reflective spray paint