English

Are Entropy Bounds Epistemic?

History and Philosophy of Physics 2023-07-07 v3 General Relativity and Quantum Cosmology

Abstract

Entropy bounds have played an important role in the development of holography as an approach to quantum gravity, so in this article we seek to gain a better understanding of the covariant entropy bound. We observe that there is a possible way of thinking about the covariant entropy bound which would suggest that it encodes an epistemic limitation rather than an objective count of the true number of degrees of freedom on a light-sheet; thus we distinguish between ontological and epistemic interpretations of the covariant bound. We consider the consequences that these interpretations might have for physics and we discuss what each approach has to say about gravitational phenomena. Our aim is not to advocate for either the ontological or epistemic approach in particular, but rather to articulate both possibilities clearly and explore some arguments for and against them.

Keywords

Cite

@article{arxiv.2303.10781,
  title  = {Are Entropy Bounds Epistemic?},
  author = {Emily Adlam},
  journal= {arXiv preprint arXiv:2303.10781},
  year   = {2023}
}

Comments

Some edits based on comments from reviewers and colleagues

R2 v1 2026-06-28T09:23:12.753Z