On Friday, July 24, 2020 at 5:48:27 AM UTC-6, Lawrence Crowell wrote: > > On Friday, July 24, 2020 at 5:49:23 AM UTC-5 [email protected] wrote: > >> >> >> On Friday, July 24, 2020 at 4:38:20 AM UTC-6, Lawrence Crowell wrote: >>> >>> On Thursday, July 23, 2020 at 10:03:36 PM UTC-5 [email protected] >>> wrote: >>> >>>> If such a theory could be constructed, it would have particles to >>>> manifest excited states, called gravitons. But for a BH, gravitons >>>> generated by its mass couldn't escape, so they couldn't function as force >>>> carrying particles as in other quantum field theories. We'd still need >>>> Einstein's GR to account for the gravitational "force" via curvature of >>>> space-time. So what would a quantum theory of gravity buy us? Why do we >>>> need it? AG >>>> >>> >>> The way you state this illustrates considerable confusion and in these >>> threads I and others have indicated how to think of this. This does not >>> involve gravitons coming out of black holes. You have repeated this error a >>> number of times. >>> >> >> You previously stated that gravitons cannot escape BH's. Do you stand by >> this claim? AG >> > > Yep! > > LC > > >> >>> A weak low energy quantum gravitation is easy to derive. The low energy >>> limit of gravitation is linear because terms in the curvature involving the >>> square of connection terms are much smaller. This makes gravitation and >>> gravitational waves linear. Quantization is not much different from >>> quantizing electrodynamics in QED. The gravitational waves detected by the >>> LIGO are long wavelength and with small amplitude. There should be >>> signatures of gravitons there which would be linear. As the wavelength >>> shortens the energy increases and as this approaches TeV and higher energy >>> the nonlinear terms become appreciable. The nonlinear feature of >>> gravitation, and that it is an exterior fibration so the field correlates >>> direction with the quantum wave, means this is a nonlinear quantum >>> mechanics, which is a contradiction of quantum mechanics. >>> >> So if a full quantum theory of GR must be non-linear and thus in contradiction with QM, do you conclude it can't exist? AG
> >>> LC >>> >> -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/bd372d78-6c0c-4819-a2d1-849c38b27ea4o%40googlegroups.com.
