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as the quantum fluctuations stretch space/time, the surrounding unstretched space/time doesnot stretch or oscillate, it remains static. this creates a diffential between oscillating space/time and static space/time. the dynamics of this differential equals the potential for virtual particles. the propagation of virtual particles is driven by this space/time differential.
Quote from: esquire on 25/03/2019 20:03:42as the quantum fluctuations stretch space/time, the surrounding unstretched space/time doesnot stretch or oscillate, it remains static. this creates a diffential between oscillating space/time and static space/time. the dynamics of this differential equals the potential for virtual particles. the propagation of virtual particles is driven by this space/time differential. Can you expand on this? I'll tell you why: with my limited knowledge but a lot of interest, the whole concept of "virtual particles" bothers me. I completely understand that without "virtual particles" many interactions that DO happen simply couldn't happen, and yet the concept of a particle that comes into existence (apparently from nowhere?) and disappears just as rapidly and mysteriously, is difficult to grasp and to fully accept.I wondered - in an amateurish way - whether there was yet something in the very old "ether" theories" long disproved (Michelson-Morley experiment 1887) and nowadays almost blasphemous to many scientists to refer to such a theory. Yet, I see that Einstein referred to spacetime as "the new Ether" (1920). Clearly the old concept of an "ether" is wrong - but, still, is there perhaps something in dark matter, or dark force... or something else(!) that might complete our understanding (more particularly, MY understanding) of an underlying structure that we are only just beginning to appreciate?** I don't expect a definitive answer. Discussion would be interesting. I'd be grateful if at least some of it was in words that an amateur could understand...