Numerical simulation of electromagnetic waves in Schwarzschild space–time by finite difference time domain method and Green function method

The finite difference time domain (FDTD) algorithm and Green function algorithm are implemented into the numerical simulation of electromagnetic waves in Schwarzschild space–time. FDTD method in curved space–time is developed by filling the flat space–time with an equivalent medium. Green function i...

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Vydané v:Computer physics communications Ročník 225; s. 166 - 173
Hlavní autori: Jia, Shouqing, La, Dongsheng, Ma, Xuelian
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Elsevier B.V 01.04.2018
Predmet:
Electromagnetic waves
Finite difference time domain
Green function
Schwarzschild space–time
Schwarzschild space–time
Finite difference time domain
Green function
Electromagnetic waves
ISSN:0010-4655, 1879-2944
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Shrnutí:The finite difference time domain (FDTD) algorithm and Green function algorithm are implemented into the numerical simulation of electromagnetic waves in Schwarzschild space–time. FDTD method in curved space–time is developed by filling the flat space–time with an equivalent medium. Green function in curved space–time is obtained by solving transport equations. Simulation results validate both the FDTD code and Green function code. The methods developed in this paper offer a tool to solve electromagnetic scattering problems. Program Title: FDTD and Green function in Schwarzschild space–time Program Files doi:http://dx.doi.org/10.17632/8fxbp578ys.1 Licensing provisions: GPLv3 Programming language: MATLAB Nature of problem: Simulating electromagnetic waves in Schwarzschild space–time. Solution method: FDTD method and Green function method.
ISSN:0010-4655
1879-2944
DOI:10.1016/j.cpc.2017.12.009