born rule

Questions

What does born rule mean?

A key postulate of quantum mechanics, giving the probability that a measurement of a quantum system will yield a given result. In its simplest form, it states that the probability density of finding a particle at a given point, when measured, is proportional to the square of the magnitude of the particle's wavefunction at that point.

Where does born rule come from?

Formulated by German physicist Max Born in 1926.

How to pronounce born rule

1. Open the pronunciation page — Open the Speakur entry for “born rule”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “born rule”.
4. Repeat and practice — Say “born rule” aloud, matching stress and vowels until it feels natural.