Born rule
Calculation rule in quantum mechanics / From Wikipedia, the free encyclopedia
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Not to be confused with Cauchy–Born rule or Born approximation.
The Born rule is a postulate of quantum mechanics that gives the probability that a measurement of a quantum system will yield a given result.[1] In its simplest form, it states that the probability density of finding a system in a given state, when measured, is proportional to the square of the amplitude of the system's wavefunction at that state. It was formulated and published by German physicist Max Born in July, 1926.