Dispersion Relations for Isothermal Plasma around the Horizon of Reissner-Nordstrom-de Sitter Black Hole

被引：1
|
作者：
Hasan, M. Khayrul [1 ]
Ali, M. Hossain [2 ]
机构：
[1] Shahjalal Univ Sci & Technol, Dept Math, Sylhet 3100, Bangladesh
[2] Rajshahi Univ, Dept Appl Math, Rajshahi 6205, Bangladesh
来源：
CHINESE PHYSICS LETTERS | 2009年 / 26卷 / 10期
关键词：
ACCELERATING UNIVERSE; ELECTRODYNAMICS; SUPERNOVA;
D O I：
10.1088/0256-307X/26/10/109501
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We formulate the general relativistic magnetohydrodynamic equations for isothermal plasma in spatially flat Reissner-Nordstrom-de Sitter metric by using 3+1 split of spacetime. Respective perturbed equations are linearized for rotating magnetized surroundings. These are then Fourier analyzed and the corresponding dispersion relations are obtained. These relations are discussed both analytically and numerically in order to investigate the nature of waves with positive angular frequency around the horizon.
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页数：4
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