On Thursday, May 19, 2022 at 9:40:26 AM UTC-6 giu...@gmail.com wrote:
> On 2022. May 19., Thu at 16:06, Alan Grayson <agrays...@gmail.com> wrote: > >> that Richard Feynman derived Einstein's Field Equations from Quantum >> Field Theory. >> >> https://en.wikipedia.org/wiki/List_of_contributors_to_general_relativity#F >> >> If Feynman really did that, wouldn't it be tantamount to a quantum theory >> of gravitation? AG >> > > See “Feynman’s Lectures on Gravitation” and the foreword by Thorne and > Preskill. Feynman derived a quantum field theory of gravity with Einstein’s > field equations, but most experts consider it valid only from weak fields. > An exception is Frank Tipler who considers it a fully valid theory of > quantum gravity. > Thanks. I tried to peek inside on Amazon, but wasn't able to. Today I'll look for a copy to download for free. It's puzzling. I wonder how he reconciled a quantum theory with a deterministic one, and came up with something intelligible. AG > > >> -- >> 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 everything-li...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/everything-list/e258bb78-8353-4d95-88e8-5d48e65f90e8n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/everything-list/e258bb78-8353-4d95-88e8-5d48e65f90e8n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- 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 everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/9623c762-a85c-4631-b5bd-5daddc5777een%40googlegroups.com.
