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Turning Point Principle for Relativistic Stars by Hadzic, Mahir; Lin, Zhiwu is a scholarly article available to read on EtoBox.

What is Turning Point Principle for Relativistic Stars about?

Upon specifying an equation of state, spherically symmetric steady states of the Einstein-Euler system are embedded in 1-parameter families of solutions, characterized by the value of their central redshift. In the 1960's Zel'dovich [50] and Wheeler [22] formulated a turning point principle which states that the spectral stability can be exchanged to instability and vice versa only at the extrema of mass along the mass-radius curve. Moreover the bending orientation at the extrema determines whether a growing mode is gained or lost. We prove the turning point principle and provide a detailed description of the linearized dynamics. One of the corollaries of our result is that the number of growing modes grows to infinity as the central redshift increases to infinity.

Author

Hadzic, Mahir; Lin, Zhiwu

Published

2020

Language

EN