RETRACTED: A pedagogical look at Jeans' density scale (Retracted article. See vol. 32, pg. 1439, 2011)

被引：1

作者：

Chu, Kwang-Hua W. ^{[1
]}

机构：

[1] Xinjiang Univ, Dept Phys, Urumqi 830046, Peoples R China

来源：

EUROPEAN JOURNAL OF PHYSICS | 2007年 / 28卷 / 03期

关键词：

Gravitation;

D O I：

10.1088/0143-0807/28/3/011

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

We illustrate the derivations of Jeans' criteria for the gravitational instabilities in a static homogeneous Newtonian system for pedagogical objectives. The critical Jeans density surface is presented in terms of dimensionless sound speeds and (characteristic) length scales.

引用

页码：501 / 507

页数：7

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