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arXiv · 1205.5683

Equipartition energy, Noether energy and boundary term in gravitational action

T. Padmanabhan
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Abstract

In the study of horizon thermodynamics and emergent gravity two natural expressions for energy, E= 2 TS (equipartition energy) and E=TS (Noether energy) arise which differ by a factor 2. I clarify the role of these two expressions in different contexts and show how E=TS is also closely related to the Noether charge arising from the boundary term of the Einstein-Hilbert action.

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T. Padmanabhan. 2012-05-25. Equipartition energy, Noether energy and boundary term in gravitational action. https://doi.org/10.1007/s10714-012-1418-4

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