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Local Existence of Classical Solutions to Scalar Field Equation on Spatially Compact Spacetime as a Background
Mirda Prisma Wijayanto (a*), Fiki Taufik Akbar Sobar (a,b), Bobby Eka Gunara (a,b)

a) Theoretical High Energy Physics and Instrumentation Research Group, Institut Teknologi Bandung, Jl. Ganesha 10 Bandung 40132, Indonesia
*mirda.prisma.wijayanto[at]students.itb.ac.id
b) Indonesian Center for Theoretical and Mathematical Physics (ICTMP), Jl. Ganesha 10 Bandung 40132, Indonesia


Abstract

The goal of this research is to proof the wellposedness of scalar field equation on spatially compact spacetime Riemannian manifold. The first step of this work is to construct the equation of motion from lagrangian of scalar field with non-minimal coupling, where the coupling interaction of the scalar field $varphi$ is proportional to the scalar curvature of the spacetime. The equation of motion has the form like non-linear wave equation. The next step is to proof local existence of solutions. We have show that both the $k^{th}$ linear energy and energy norm are bounded for the finite time with the initial data in $H^{k+1} imes H^k$. Finally, we have prove the uniqueness and smoothness properties of the solution.

Keywords: Local Existence Solution, Scalar Field Equations, Complete Riemannian Manifold

Topic: Theoretical High Energy Physics

Link: https://ifory.id/abstract/ZNUc8GdFrBb7

Conference: Asian Physics Symposium (APS 2019)

Plain Format | Corresponding Author (Mirda Prisma Wijayanto)

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