On Friday, August 30, 2019 at 7:29:27 PM UTC-5, Bruce wrote: > > On Sat, Aug 31, 2019 at 10:12 AM 'Brent Meeker' via Everything List < > [email protected] <javascript:>> wrote: > >> >> I think Wald says that for the inertial observer it appears that the >> accelerated detector/thermometer is interacting with the vacuum and >> producing the particles around it that provide the clicks and temperature. >> > > I think the idea that the detector interacts with the vacuum is misguided. > The point is that the accelerated frame has a different vacuum -- it is not > that it interacts with the inertial vacuum, which would tend to suggest > that there is only one vacuum. The vacuum is important for the definition > of particle states -- different vacua have different definitions of > particle states. Hence the vacuum of the accelerated observer is a thermal > sea, relative to the quiescent vacuum of the inertial observer. > > Bruce >
If you think about it there should be a way this works from the perspective of the inertial frame. Physics should not depend on frames, even if we are talking about the difference between an inertial and accelerated frame. LC -- 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/e5181d4b-8b85-45dc-87ef-7af8c681c945%40googlegroups.com.

