重力場中的Quasinormal Modes
No Thumbnail Available
Date
2005
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
在這篇論文，我們利用數值計算方法以求得axial重力微擾與純量粒子往Schwarzschild黑洞視界正向入射後的反射率與透射率。數值計算結果顯示，當頻率趨近於零時，有較高的反射率；而當頻率增加時，反射率降低，透射率升高。這樣的結果或許有助於了解重力場中的quasinormal modes。
In this paper, we use the numerical method by Mathematica to evaluate the reflectance and transmittance after the axial gravitational perturbation and a scalar particle head-on incidence toward the horizon of Schwarzschild black hole. It turns out that there is a high reflectance when the frequency value approaches to zero. Inversely, the reflectance becomes very low and the transmittance begins to reach the maximum value when the frequency value increases gradually. Such a result is helpful for understanding the quasinormal modes in the gravitational field.
In this paper, we use the numerical method by Mathematica to evaluate the reflectance and transmittance after the axial gravitational perturbation and a scalar particle head-on incidence toward the horizon of Schwarzschild black hole. It turns out that there is a high reflectance when the frequency value approaches to zero. Inversely, the reflectance becomes very low and the transmittance begins to reach the maximum value when the frequency value increases gradually. Such a result is helpful for understanding the quasinormal modes in the gravitational field.
Description
Keywords
Einstein方程式, Schwarzschild黑洞, Axial重力微擾, 純量粒子, 反射率, 透射率, de Sitter背景度規, 波函數