On Sunday, February 24, 2019 at 6:41:00 AM UTC-7, Lawrence Crowell wrote: > > On Friday, February 22, 2019 at 4:40:31 PM UTC-6, [email protected] > wrote: >> >> >> >> On Friday, February 22, 2019 at 1:34:31 PM UTC-7, Brent wrote: >>> >>> >>> >>> On 2/21/2019 10:47 PM, [email protected] wrote: >>> >>> >>>> >>> *Even if gravitons are detected, and they account for "force" consistent >>> with the other three forces, wouldn't there remain the task of changing the >>> form of gravity to make it covariant? AG* >>> >>> >>> Gravitons, as quanta of the metric field, are already relativistic >>> particles and covariant. >>> >> >> *I thought it's the equations of motion for the particular force, not the >> mediating particles, that must be covariant. On a related topic for this >> thread, where does GR depart from Mach's principle? That is, what did >> Einstein implicitly (or explicitly) deny about Mach's principle? TIA, AG * >> >>> >>> *Would that require tensors? AG* >>> >>> > General relativity is covariant, and curvature is expressed according to > Riemann tensors. > > LC >
*Thanks, but I think you missed the thrust of my question; namely, if a theory using gravitons is independent of GR, since it would have to be covariant, could that be done without tenors, or are tensors nevertheless necessary. 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
