Abstract
It was recently suggested that quantum field theory is not fundamental but emerges from the loss of phase space information about matter crossing causal horizons. Possible connections between this formalism and Verlinde’s entropic gravity and Jacobson’s thermodynamic gravity are proposed. The holographic screen in Verlinde’s formalism can be identified as local Rindler horizons and its entropy as that of the bulk fields beyond the horizons. This naturally resolves some issues on entropic gravity. The quantum fluctuation of the fields is the origin of the thermodynamic nature of entropic gravity. It is also suggested that inertia is related to dragging Rindler horizons.
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Acknowledgements
Author is thankful to H. Culetu, Jungjai Lee, Hyeong-Chan Kim, and Gungwon Kang for helpful discussions. This work was supported in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the ministry of Education, Science and Technology (2010-0024761) and the topical research program (2010-T-1) of Asia Pacific Center for Theoretical Physics.
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Lee, JW. On the Origin of Entropic Gravity and Inertia. Found Phys 42, 1153–1164 (2012). https://doi.org/10.1007/s10701-012-9660-x
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DOI: https://doi.org/10.1007/s10701-012-9660-x