The discussion centers on the concept of eigenstate preference in quantum mechanics, specifically addressing why a measurement results in a specific eigenstate despite the stability of superpositions of quantum states. It emphasizes that this preference is a fundamental postulate of quantum mechanics, akin to Euclid's postulates, and suggests that questioning its validity does not yield further understanding. The conclusion drawn is that eigenstate preference is an intrinsic characteristic of the universe as described by quantum mechanics.
PREREQUISITESPhysicists, quantum mechanics students, and researchers interested in the foundational principles of quantum theory and measurement theory.
It's a postulate of quantum mechanics. As with any postulate (test this with Euclid's postulates), you aren't going to get very far asking why it works; the only answer is that that's how the universe we live in works.intervoxel said:If any superposition of quantum states is stable, why the preference for one of the eigenstates of the observable at the measurement? What is the attraction of such state?