New analytic solutions of the non-relativistic hydrodynamical equations

被引：41
|
作者：
Csizmadia, P [1 ]
Csörgo, T [1 ]
Lukács, B [1 ]
机构：
[1] MTA KFKI RMKI, H-1525 Budapest 114, Hungary
来源：
PHYSICS LETTERS B | 1998年 / 443卷 / 1-4期
基金：
匈牙利科学研究基金会;
关键词：
D O I：
10.1016/S0370-2693(98)01297-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
New solutions are found for the non-relativistic hydrodynamical equations. These solutions describe expanding matter with a Gaussian density profile. In the simplest case, thermal equilibrium is maintained without any interaction, the energy is conserved, and the process is isentropic. More general solutions are also obtained that describe explosions driven by heat production, or contraction of the matter caused by energy loss. (C) 1998 Elsevier Science B.V. All rights reserved.
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页码：21 / 25
页数：5
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