TL;DR
This paper analytically derives the gravitational field of a rigidly rotating perfect fluid cylinder with a gamma-law equation of state, revealing the presence of closed timelike curves at large distances.
Contribution
It provides an exact analytical solution for the gravitational field of such cylinders, expanding understanding of rotating fluid configurations in general relativity.
Findings
Solution has two parameters and is physically realistic for gamma in (1.41,2]
Closed timelike curves appear at large distances
Analytical model enhances understanding of rotating fluid cylinders in GR
Abstract
The gravitational field of a rigidly rotating perfect fluid cylinder with gamma- law equation of state is found analytically. The solution has two parameters and is physically realistic for gamma in the interval (1.41,2]. Closed timelike curves always appear at large distances.
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