While reading an excerpt from “How the Hippies Saved Physics: Science, Counterculture, and the Quantum Revival [Excerpt]” from Scientific American, I again started pondering on spooky-interaction.
Einstein saw a problem with quantum spooky-interaction at a distance, i.e., quantum entanglement. An observer can’t measure neither position or speed (momentum) accurately (noncommutativity) at the same time, because we are outside the reference frame or system of an individual particle being measured; outside the looking glass so to speak, existing within our own snow shaker (reference frame). Although we are made of lots of elementary particles, collectively they work as their own system, within a larger framework of another system.
Just as we can’t see outside our observable Universe or inside a black-hole, the same fuzz occurs with an individual elementary particle because we are not part of that system, which exists in a different phased space from what we exist within. We see a shadow or ghost of that individual particle and we appear reflected to the observed particle’s true nature also as a shadow or ghost.
Within quantum mechanics an elementary particle is said to have spin; that is spin direction. Wolfgang Pauli first proposed the concept of spin, who later formulated a mathematical theory in 1927. Quantum mechanics uses two types of angular momentum: orbital angular momentum and spin. So why is spin important? Spin has no direct analogous classical mechanical equivalent, however quantum mechanical spin does contain information about direction. Continue reading