[Moderator's note: My apologies for having overlooked this submission a
few weeks ago. -P.H.]
On 22-Oct-20 6:10 pm, rockbr...@gmail.com
> How do you calculate the gravity field of a single photon and what are
> the criteria?
You can't. We don't have a theory that lets you do that, and nor do we
have experimental results that would allow the construction or
verification of a theory. At the moment, anything that purports to be
such a theory is nothing more than speculation.