In this work we compare the origin of the Λ argument with the concept of unimodular gravity. A metaphysical interpretation of the Poisson equation during introduction of Λ could account for the confusion.Baugher J. PHEXIS (Arizona)progress in physics...
This paper presents a numerical solution, using MATLAB, of the electrostatic potential in a pn junction, which obeys Poisson's equation. This numerical method is based on the Newton-Raphson technique and is useful for educational purposes. It can be incorporated in an undergraduate course on semic...
The Poisson‐Boltzmann equation for a penetrable spherical polyelectrolyte ion in the presence of smaller ions has been solved precisely by numerical integ... FT Wall,J Berkowitz - 《Journal of Chemical Physics》 被引量: 163发表: 1957年 Degradation and Solubilization of ^C-, ^C-side Chain Labe...
Tags Poisson Poisson equation Type In summary, if a, b, c, d, e, f, and g are constants, an elliptic type equation will be produced if b^2-4ac<0. Mar 28, 2007 #1 Unskilled 12 0 1. Of what type is Poisson’s equation uxx + uyy = f(x,y) ? I used that if you have...
little work has been done for solving Poisson's equation by using the Helmholtz decomposition scheme. To bridge this issue, we propose a novel efficient algorithm to solve Poisson's equation in irregular two dimensional domains for electrostatics through a quasi-Helmholtz decomposition techniqueu2014the...
We are concerned with global finite-energy solutions of the three-dimensional compressible Euler–Poisson equations with gravitational potential and general pressure law, especially including the constitutive equation of white dwarf stars. In this paper, we construct global finite-energy solutions of the ...
An integral equation is formulated for calculating the polarization around a spherical ion from which the solvation free energy can be extracted. Comparison ... Nathan,A.,Baker,... - 《Journal of Chemical Physics》 被引量: 344发表: 1999年 Improved methods for semiempirical solvation models We ...
Journal of Computational PhysicsD.B. Haidvogel and T.A. Zang, `The accurate solution of Poisson's equation by expansion in Chebyshev polynomials', J. Comput. Phys., 30, 167-180 (1979).Haidvogel D B, Zang T. J Comput Physics , 1979, 30 :167–180. MATH MathSciNet View ArticleHaid...
In summary, the conversation is about following a derivation in a textbook on the two dimensional heat equation in polar coordinates. The derived equation, 10.5.80, is a geometric sum over integer m, based on the solution from Equation 10.5.79. The solution involves an infinite sum which is...
In this paper, we consider the Euler–Poisson equations governing the evolution of the gaseous stars with the Poisson equation describing the energy potential for the self-gravitating force. By assuming that the initial density is of compact support in R N, we first give a family of blowup so...