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Comment on Tsallis, C. Black Hole Entropy: A Closer Look. Entropy 2020, 22, 17
| Content Provider | MDPI |
|---|---|
| Author | Pessoa, Pedro Costa, Bruno Arderucio |
| Copyright Year | 2020 |
| Description | In a recent paper (Entropy 2020, 22(1), 17), Tsallis states that entropy—as in Shannon or Kullback–Leiber’s definitions—is inadequate to interpret black hole entropy and suggests that a new non-additive functional should take the role of entropy. Here we counterargue by explaining the important distinction between the properties of extensivity and additivity; the latter is fundamental for entropy, while the former is a property of particular thermodynamical systems that is not expected for black holes. We also point out other debatable statements in his analysis of black hole entropy. |
| Starting Page | 1110 |
| e-ISSN | 10994300 |
| DOI | 10.3390/e22101110 |
| Journal | Entropy |
| Issue Number | 10 |
| Volume Number | 22 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-10-01 |
| Access Restriction | Open |
| Subject Keyword | Entropy History and Philosophy of Science Black Holes Non-additive Entropies Thermodynamics Inference |
| Content Type | Text |
| Resource Type | Article |
