Timeline for Why are extra dimensions necessary?
Current License: CC BY-SA 3.0
16 events
| when toggle format | what | by | license | comment | |
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| Nov 17, 2021 at 19:12 | comment | added | Zo the Relativist | @BastamTajik yes, that's what I meant. | |
| Nov 17, 2021 at 19:09 | comment | added | Bastam Tajik | Thanks but why any spikes? shouldn't it be a sudden jump to a new level? @JerrySchirmer | |
| Nov 17, 2021 at 18:13 | comment | added | Zo the Relativist | @BastamTajik nothing to be sorry about, it's a good idea! The real question would be to not just measure the temperature, but be able to also measure other parameters, so you could see how the temperature depends on other things -- you'd expect to see something like a sudden spike in specific heat associated with large extra dimensions or something. | |
| Nov 17, 2021 at 15:57 | comment | added | Bastam Tajik | I guess Temperature is definitely is an option to be measured and checked for discrepancies but Idk how precise our estimations of such temperature are technically and conceptually. And I don't even know if there's any equation of state regarding neutron stars, I'm not an expert of astronomy indeed. Sorry @JerrySchirmer | |
| Nov 17, 2021 at 15:10 | comment | added | Zo the Relativist | @BastamTajik: do we have a good observational knowledge of the thermodynamic equation of state for neutron stars? It's a good question, though. | |
| Nov 17, 2021 at 10:15 | comment | added | Bastam Tajik | What about looking at the same problem from a statistical point of view? Because the number of microstates increases with extra dimensions and this does not depend on the scales and consequently the semiclassical entropy for high energies can be significantly increased and this gives rise to a significant change in temperature that can be measured and falsified in cases of compact objects like neutron stars! Has there been any attempt to falsify them via this approach? | |
| S Apr 8, 2018 at 11:27 | history | suggested | Elements In Space | CC BY-SA 3.0 |
several minor typos
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| Apr 8, 2018 at 10:30 | review | Suggested edits | |||
| S Apr 8, 2018 at 11:27 | |||||
| Oct 24, 2014 at 5:43 | comment | added | Zo the Relativist | @TrevorAlexander: Well, the idea would be that the universe would be shaped like a tiny cylinder or something like that in those directions, so the total volume of the space in those directions would be vanishingly small. | |
| Oct 23, 2014 at 23:11 | comment | added | bright-star | So it's the universe that would be small in those dimensions? Because I can imagine a real line along any axis ;) | |
| Oct 22, 2014 at 22:20 | comment | added | Zo the Relativist | @TrevorAlexander: the idea would be that the extra dimensions would be spatial dimensions, just in directions we can't move in. | |
| Dec 28, 2013 at 21:46 | comment | added | bright-star | So what does it mean to make a dimension "small", if the intuitive definitions of size come from spatial dimensions, and if dimensions have no "whereness'? | |
| Jul 31, 2013 at 10:48 | comment | added | Abhimanyu Pallavi Sudhir | @Fakrudeen: For that, physics.stackexchange.com/q/22542 . \ | |
| Jul 31, 2013 at 8:39 | comment | added | Fakrudeen | And how are we going to experimentally prove or disprove that? Why should we trust this [in the sense of what good is it] till it is proved anyway? | |
| Jul 30, 2013 at 15:38 | history | edited | Zo the Relativist | CC BY-SA 3.0 |
minor edits for precision
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| Jun 1, 2011 at 0:51 | history | answered | Zo the Relativist | CC BY-SA 3.0 |