Timeline for How could we determine the color of a black hole's hair?
Current License: CC BY-SA 3.0
9 events
| when toggle format | what | by | license | comment | |
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| Mar 21, 2018 at 21:12 | answer | added | Lewis Miller | timeline score: 1 | |
| Oct 2, 2017 at 20:03 | comment | added | rob♦ | @BenCrowell That'd make a nice answer. | |
| Sep 21, 2017 at 22:48 | comment | added | user4552 | The standard no-hair theorems are rigorous mathematical theorems that have been proved. However, they have certain hypotheses that must be satisfied, e.g., that the solution must be electrovac, i.e., GR with an electromagnetic field. The Dvali paper appears to be talking about GR with other classical fields. That may be of theoretical interest, but is probably of zero relevance for astrophysical black holes. Even electric charge is basically irrelevant for astrophysical black holes. | |
| Sep 21, 2017 at 18:06 | comment | added | Lewis Miller | @Rexcirus I have inserted a link to the paper that stimulated my question. | |
| Sep 21, 2017 at 18:03 | history | edited | Lewis Miller | CC BY-SA 3.0 |
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| Sep 21, 2017 at 3:48 | comment | added | Rexcirus | Actually the no-hair conjecture it's still believed to be true in GR, for standard matter content, so no baryon number, strangeness, etc. Can you provide a reference to articles stating the opposite? | |
| Sep 20, 2017 at 17:07 | comment | added | Lewis Miller | @Asher That's the issue. The force carriers for baryons are not long ranged like the E&M field or gravity. | |
| Sep 20, 2017 at 16:37 | comment | added | Asher | Are the hairy traits mediated by fields at distance? Can, for example, the baryon number be detected by a test particle the same way electric charge can? I'd think purely intrinsic properties would only be measurable in the radiation burst of the evaporated black hole. | |
| Sep 20, 2017 at 15:26 | history | asked | Lewis Miller | CC BY-SA 3.0 |