On Monday, June 15, 2020 at 6:11:16 PM UTC-6, Alan Grayson wrote: > > > > On Monday, June 15, 2020 at 5:03:46 PM UTC-6, Alan Grayson wrote: >> >> >> >> On Monday, June 15, 2020 at 4:27:35 PM UTC-6, Bruce wrote: >>> >>> On Tue, Jun 16, 2020 at 2:50 AM Alan Grayson <agrays...@gmail.com> >>> wrote: >>> >>>> On Saturday, June 13, 2020 at 5:30:15 PM UTC-6, Bruce wrote: >>>>> >>>>> >>>>> Consequently, the usual mythology about quantum fluctuations is not >>>>> true. >>>>> >>>> >>>> *But isn't there factually undeniable, empirical evidence that if one >>>> repeatedly measures the vacuum energy at some position in space, it >>>> changes, aka "fluctuates"? AG* >>>> >>> >>> >>> What factually undeniable evidence? How do you measure the vacuum energy >>> at a point? >>> >> >> *I don't know how vacuum energy is measured. But there are values given >> for it, so there must be methods to measure it, unless it's all a con-job. >> AG * >> > > *The vacuum energy has a specific measured value, namely the value of the > cosmological constant. I have no idea how it's measured. AG* >
*But however it's measured, it fluctuates around some mean value. So the question is whether the fluctuation is classical or quantum, and there seems to be no way within, say, QED, for the ground state energies to fluctuate quantum mechanically. AG * > >>> Bruce >>> >> -- 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/8026f6ba-5aa3-47b3-9273-f3f822b0ea31o%40googlegroups.com.
