WebA FAST EIKONAL EQUATION SOLVER USING SCHRÖDINGER 3 Hamilton-Jacobi equation. Since the efficient solution of a linear wave equation is the cornerstone of our approach, … WebFor near-extremal Kerr-Sen black holes and for charged massive scalar fields in the eikonal large-mass M≫μ regime, where M is the mass of the black hole, and μ is the mass of the charged scalar field, we have obtained a simple expression for the dimensionless ratio ωI/(ωR−ωc), where ωI and ωR are, respectively, the imaginary and real parts of the …
Implicit Partial Differential Equations von Paolo Marcellini; Bernard …
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Wave Conversion, Decay, and Heating in a Partially Ionized Two …
WebThe key idea introduced in is to use special solutions of the Hamiltonian part of the equation as test functions in all the comparison type-arguments, instead of the typical λ x − y 2 𝜆 … WebJul 12, 2024 · This includes: 1) a full derivation of a gauge invariant system of two coupled PDEs that describes the perturbation equations [1], 2) a derivation of the eikonal frequency approximation [2, 3] and its comparison with the numerical QNM data, 3) a derivation of the near-horizon frequency approximation [3] and its comparison with the numerical QNMs, … Webequation can be shown to converge to the nonlinear eikonal. In addition, our approach eliminates the need to explicitly construct viscosity solutions as customary with direct solutions to the eikonal. iona mcwhinnie