On the origin of gravity and the laws of Newton
type: Item
instance of: scholarly article
title: On the origin of gravity and the laws of Newton
zbMATH Open document ID: 1260.81284
DOI: 10.1007/JHEP04(2011)029
published in: Journal of High Energy Physics
publication date: 2012-10-29T00:00:00Z
full work available at URL: https://arxiv.org/abs/1001.0785
review text: The author of this interesting paper considers the idea how one may start from basic principles and general assumptions and having in mind a heuristic argument to show that the Newton's law of gravitation arises in the theory in which space emerges through a holographic scenario. Starting from first principles, using only space independent concepts like energy, entropy and temperature, it is shown that Newton's laws appear naturally and unavoidably. The author argues that the main notion needed to derive gravity is information, i.e. it is the amount of information associated with matter and its location. The gravity is identified with an entropic force caused by changes in the information associated with the positions of material bodies. It is shown that the above mentioned force, given certain assumptions, takes the form of gravity. The most important assumption is that the information associated with a part of space obeys the holographic principle, that was noticed by \textit{L. Susskind} [J. Math. Phys. 36, No. 11, 6377--6396 (1995; Zbl 0850.00013)] and \textit{G. 't Hooft} [in: Approaches to quantum gravity. Toward a new understanding of space, time and matter. Cambridge: Cambridge University Press. 13-25 (2009; Zbl 1185.83014)]. By reversing the logic that leads us from the laws of gravity to holography, we may obtain a simpler explanation of what gravity is. It turns out that the gravity can be described as being due to the change of closed strings, thus it could be explained from an emergent scenario. Finally, the author concludes that the holographic hypothesis provides a natural mechanism for gravity to emerge. It allows direct interactions between degrees of freedom associated with one material body and another, since all bodies inside a volume can be mapped on the same holographic screen.
Mathematics Subject Classification ID: 81V17
Mathematics Subject Classification ID: 83C45
Mathematics Subject Classification ID: 81T30
Mathematics Subject Classification ID: 83C05
Mathematics Subject Classification ID: 83F05
zbMATH DE Number: 6100252
zbMATH Keywords: gauge-gravity correspondence
zbMATH Keywords: models of Quantum Gravity
zbMATH Keywords: Newton's law
zbMATH Keywords: Einstein equations
Wikidata QID: Q56016669
author: Erik Verlinde
reviewed by: Dimitar A. Kolev
MaRDI profile type: Publication
arXiv ID: 1001.0785
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description: scientific article