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entropy1
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Suppose we have a photon in superposition of reaching detector A or detector B. Then, in Everett-worlds, both outcomes (detection at A/detection at B) are true, but in different worlds (##|U_x\rangle|x\rangle##). But if we observe the law of conservation of energy and the quantisation of the detection, there can only be one detection. And this is what MWI tells us: in each world one outcome is true (##|x\rangle## part), and the rest is not (##|U_x\rangle## part)! This would be, in my eyes, the consequence of the quantisation of the measurement.
Would this be a valid observation?
Would this be a valid observation?
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