Quantum Chemistry 4.3 – Postulates of Quantum Mechanics 3: Measurement

Short lecture on postulate 3 of quantum mechanics.

A postulate is a statement that is not proven, but assumed to be true and judged on the validity of its conclusions. Postulate 3 of quantum mechanics states that any measurement of an observable (physical property) will only yield eigenvalues of the operator representing that property as a result. All eigenvalues of these operators must be real numbers. If the wavefunction is an eigenfunction of the operator, the experiment can only yield one value as a result.

Notes Slide: http://i.imgur.com/FWa9F4t.png

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