On the relativistic compressibility conditions

6533b7dbfe1ef96bd127011b

RESEARCH PRODUCT

On the relativistic compressibility conditions

Bartolomé Coll Joan Josep Ferrando Juan Antonio Sáez

subject

FOS: Physical sciences General Relativity and Quantum Cosmology (gr-qc)General Relativity and Quantum Cosmology

description

The constraints imposed by the relativistic compressibility hypothesis on the square of the speed of sound in a medium are obtained. This result allows to obtain purely hydrodynamic conditions for the physical reality of a perfect energy tensor representing the energetic evolution of a perfect fluid in local thermal equilibrium. The results are applied to the paradigmatic case of the generic ideal gases. Then the physical reality of the ideal gas Stephani models is analyzed and the Rainich-like theory for ideal gas solutions is built.

year	journal	country	edition	language
2018-12-11

https://dx.doi.org/10.48550/arxiv.1812.04383

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