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On the Thermodynamic Origin of Gravitational Force by Applying Spacetime Entanglement Entropy and the Unruh Effect

by Shujuan Liu 1 and Hongwei Xiong 1,2,*
1
College of Science, Zhejiang University of Technology, Hangzhou 31023, China
2
Wilczek Quantum Center, Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
*
Author to whom correspondence should be addressed.
Entropy 2019, 21(3), 296; https://doi.org/10.3390/e21030296
Received: 23 January 2019 / Revised: 15 March 2019 / Accepted: 16 March 2019 / Published: 19 March 2019
(This article belongs to the Special Issue Relativistic Quantum Information)
We consider the thermodynamic origin of the gravitational force of matter by applying the spacetime entanglement entropy and the Unruh effect originating from vacuum quantum fluctuations. By analyzing both the local thermal equilibrium and quasi-static processes of a system, we may get both the magnitude and direction of Newton’s gravitational force in our theoretical model. Our work shows the possibility that the elusive Unruh effect has already shown its manifestation through gravitational force. View Full-Text
Keywords: spacetime entanglement entropy; Unruh effect; gravitational force; thermodynamics; holographic principle spacetime entanglement entropy; Unruh effect; gravitational force; thermodynamics; holographic principle
MDPI and ACS Style

Liu, S.; Xiong, H. On the Thermodynamic Origin of Gravitational Force by Applying Spacetime Entanglement Entropy and the Unruh Effect. Entropy 2019, 21, 296.

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