Abstract
In this work, a clear connection is made between E. Verlinde’s recent theory of emergent gravity in de Sitter space [1], and the earlier work describing emergent gravity using holographic screens [2]. A modified (non)holographic screen scenario is presented, wherein the screen fails to encode an emergent mass in the bulk “unemerged” part of space for sufficiently large length-scales, where the volume-law of the non-holographic bulk degrees of freedom overtakes the area-law scaling of the entropy of the screen. Within this framework, we can describe both an emergent dark gravitational force, which scales like \( \frac{1}{r} \), and also a version of the baryonic Tully-Fisher relation. We therefore recast these results within an emergent gravity framework in which there is an explicit violation of holography for sufficiently large length-scales.
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Peach, A. Emergent dark gravity from (non)holographic screens. J. High Energ. Phys. 2019, 151 (2019). https://doi.org/10.1007/JHEP02(2019)151
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DOI: https://doi.org/10.1007/JHEP02(2019)151