On Saturday, October 26, 2019 at 3:17:15 PM UTC-6, Philip Thrift wrote: > > > > On Saturday, October 26, 2019 at 3:57:01 PM UTC-5, Brent wrote: >> >> What creates the problem at microscopic level is that the stress-energy >> tensor on the right hand side will be due to the wave function of a quantum >> particle and so would only have a probabilistic interpretation. We an do >> semi-classical computations by replacing the wave function by it's expected >> value at each point. But that avoids the point that the metric stuff on >> the left hand side needs to be represented by a probabilistic function to >> match the right hand side. >> >> Brent >> >> >> > That's an interesting way to express it. > > @philipthrift >
In effect, what Brent is getting at, is that GR is a classical theory, which assumes a classical space-time field. But if you assume a classical field at the microscopic level, will GR give answers which are contradicted by measurements? 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 view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/0125b7f7-4817-485d-855c-b52801a2e4f0%40googlegroups.com.
