(August 15, 2018 at 4:28 pm)SteveII Wrote:(August 15, 2018 at 4:17 pm)pocaracas Wrote: Didn't I already show you this?
https://en.wikipedia.org/wiki/Quantum_fluctuation
What? Quantum mechanics describes quantum events of real quantum particles in the four actual dimensions of the universe. Spacetime is a mathematical model of how the three dimensions of space and the one dimension of time might work together. The mathematical model of spacetime is the very definition of an abstract object. Abstract objects are causally effete. Therefore spacetime does not cause or affect anything.
Ok, so explain to the rest of the class how a quantum field in vacuum requires any particle.
Last time I checked, vacuum is described as the absence of particles.