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Why does non-relativistic energy have an equation of state with w=0?

Also, is the concept of pressure different in general relativity than in thermodynamics or statistical mechanics?

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- Thread starter Joey21
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- #1

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Why does non-relativistic energy have an equation of state with w=0?

Also, is the concept of pressure different in general relativity than in thermodynamics or statistical mechanics?

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Chalnoth

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The model being used in this context is of a gas. The pressure of a gas is a function of the velocities of the individual particles that make up the gas. Those velocities have to be relativistic if the pressure is to be significant compared to the mass density.Why does non-relativistic energy have an equation of state with w=0?

It's the exact same concept.Also, is the concept of pressure different in general relativity than in thermodynamics or statistical mechanics?

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Thanks for the quick replies!! They will be a lot of help.

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