Instability of Embedded Polytropes

Horedt, G.P. (2000) Instability of Embedded Polytropes. Publ. Astron. Soc. Japan, 52, pp. 217-221.

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Abstract

The equivalende of two stability criteria (decreasing pressure with increasing radius versus increasing central density with increasing mass) is shown analytically for spherical polytropes without background medium, and numerically for embedded ones. Previous results concerning the instability under external pressure of incomplete (truncated) polytropes within a uniform background medium are shown to be not true. The spherical incomplete embedded polytrope is stable/unstable for the same polytropic indices and for the same background densities as the corresponding compete embedded polytrope.

Item URL in elib:

https://elib.dlr.de/17999/

Document Type:

Article

Additional Information:

LIDO-Berichtsjahr=2000,

Title:

Instability of Embedded Polytropes

Authors:

Authors	Institution or Email of Authors	Author's ORCID iD	ORCID Put Code
Horedt, G.P.	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED

Date:

2000

Journal or Publication Title:

Publ. Astron. Soc. Japan

Refereed publication:

Yes

Open Access:

Gold Open Access:

In SCOPUS:

In ISI Web of Science:

Yes

Volume:

Page Range:

pp. 217-221

Status:

Published

Keywords:

instabilities stars: interiors

HGF - Research field:

Aeronautics, Space and Transport (old)

HGF - Program:

Space (old)

HGF - Program Themes:

W EW - Erforschung des Weltraums

DLR - Research area:

Space

DLR - Program:

W EW - Erforschung des Weltraums

DLR - Research theme (Project):

UNSPECIFIED

Location:

Berlin-Adlershof

Institutes and Institutions:

Institut für Weltraumsensorik und Planetenerkundung

Deposited By:

Pieth, Susanne

Deposited On:

16 Sep 2005

Last Modified:

14 Jan 2010 18:36

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