scholarly journals STRUCTURE AND STABILITY OF POLYTROPIC FLUID SPHERES WITH NEGATIVE INDEX WITHIN THE GENERAL RELATIVISTIC THEORY

1980 ◽  
Vol 29 (1) ◽  
pp. 64
Author(s):  
CHU YAO-QUAN ◽  
CHEN FU-ZHEN ◽  
FANG LI-ZHI
Keyword(s):  
Relativistic Theory ◽  
Negative Index ◽  
Structure And Stability ◽  
General Relativistic ◽  
Fluid Spheres

General Relativistic Polytropic Fluid Spheres.

1964 ◽  
Vol 140 ◽  
pp. 434 ◽  
Author(s):  
Robert F. Tooper
Keyword(s):  
General Relativistic ◽  
Fluid Spheres

A NEW EXTENSION OF GENERAL RELATIVISTIC THEORY

1994 ◽  
Vol 03 (02) ◽  
pp. 393-419 ◽  
Author(s):  
MASATOSHI YAZAKI
Keyword(s):  
General Relativity ◽  
General Theory ◽  
Relativistic Theory ◽  
Maxwell's Equations ◽  
Geometrical Structure ◽  
Finsler Geometry ◽  
Theory Of Relativity ◽  
General Theory Of Relativity ◽  
General Relativistic ◽  
Einstein’S General Relativity

The possibility of a new extension of the general relativistc theory will be considered using Finsler geometry. The extension of Einstein’s general relativity can be expected to regard gravitational, electroweak, and strong interactive fields as geometrical structure of a spacetime based on Finsler geometry. Indeed, it will be shown that this theory can include the general theory of relativity under a certain special condition. In addition, Maxwell’s equations will be expressed using new metric representations of the electromagnetic vector and its tensor. Moreover, it will be suggested that this theory may include metric representations of weak and strong interactive fields.

General relativistic fluid spheres with variable polytropic index

1966 ◽  
Vol 6 (2) ◽  
pp. 139-147
Author(s):  
R. van der Borght
Keyword(s):  
General Relativity ◽  
Compressible Fluid ◽  
Fluid Sphere ◽  
Polytropic Index ◽  
Field Equations ◽  
Relativistic Fluid ◽  
General Relativistic ◽  
Temperature And Pressure ◽  
Fluid Spheres

AbstractIn this paper we derive solutions of the field equations of general relativity for a compressible fluid sphere which obeys density-temperature and pressure-temperature relations which allow for a variation of the polytropic index throughout the sphere.

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