RE: Do electrons exist?
April 7, 2019 at 2:12 pm
(This post was last modified: April 7, 2019 at 2:26 pm by The Grand Nudger.)
(April 7, 2019 at 12:38 pm)bennyboy Wrote: Now, I WILL digress with an observation about the nature of light. We know that for a photon, no time passes in its journey, right?Negatron, that's what the term "light years" refers to. Time passes as light travels, even as fast as light travels. Even in entanglement. QE may not violate causality, but that flows both ways. Causality doesn't violate QE.
Quote:The idea of time is meaningless from the "perspective" of a photon. In essence, the Universe from the perspective of a photon must be a singular point connecting two molecules, the transmitter and the absorber. In at least that frame of reference, it's not moving, and it can't change state.Nothing that we know makes the idea of time meaningless. Not even QM.
Quote:Now, there's one thing about the experiment that bugs me. In order to generate interference using a splitter mirror, it seems to me that in order for a particle to be reflected, it must be absorbed and re-transmitted-- while this is not necessarily true for a photon which passes through the mirror. But in QM, all possible paths are realized, which means no information was lost in the absorption and re-transmission of an entangled photon. What does it MEAN?Not what you think.
No, we're not on the same page. You had opinions on the observer effect, which isn't what the presenter was talking about. You imported that, and got it wrong, and it isn't just semantics. Use any words you prefer, any semantics, you still got it wrong. The presenter was simply offering that observation may be entanglement, which is a "no shit" statement..as the definition of both observation and entanglement contain each other as terms in the model. Anything observing any other thing is said to be "entangled" in the qm model, but all things are always entangled regardless of any observation in that same model...and this state of affairs doens't mean anything novel.
Quantum entanglement is the baseline in quantum models, but doesn't mean what people think it does and isn't "the observer effect", which is what you commented on. The observer effect doesnt work because of quantum entaglement, even if all things are entangled. It "works" for other...entirely less (more accurately "more") than quantum reasons.
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