quantum theory is a little like g-d. it's mysterious, we don't understand it, it behaves in ways we can't describe and it can appear out of nowhere and disappear again. quantum theory tells us an electron can be in two places at once. that light can act as a particle and a wave at the same time. it tells...
thermal state for the uniformly accelerated observer. the unruh effect therefore means that the very notion of the quantum vacuum depends on the path of the observer through spacetime . the unruh effect can be expressed in a simple equation giving the equivalent energy kt of a uniformly accelerating particle...