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Bell's inequality (as you allude to) describes how transformations on quantum wave functions cannot behave classically. But classical wave functions can certain
by tylerhou 5y ago
Bell's inequality (as you allude to) describes how transformations on quantum wave functions cannot behave classically. But classical wave functions can certainly be entangled as entanglement is a property of a wave function, not transformations on wave functions.
- tsimionescu 5y agoI'm not sure what you mean by classical wave functions - I've only seen the term 'wave function' used for quantum mechanics. Are you referring to classical wave equations? I'm not sure how the concept of entanglement is supposed to apply to classical waves though.
- tylerhou 5y agoI'm saying that you can represent probability distributions of classical objects as a "wave function."
- lisper 5y agoNo, you can't, at least not one that behaves like the quantum wave function does. Classical probabilities are real numbers between zero and one. The wave function takes on complex values, which allows you to add two wave-function values with non-zero magnitude and get zero, i.e. produce destructive interference. Classical probabilities can't do that.
- tsimionescu 5y agoSo basically a box with two colored balls could be described by a "classical wave functions" (a real-valued wave function), where the values of the two balls are entangled, and then yes, your experiment would exactly describe what happens. But this sheds no light on quantum wave functions and quantum entanglement.