probability amplitude

noun

A complex number which is the coefficient of a component of a quantum state and whose product with its own complex conjugate gives the probability that the state will collapse to that component (when measured). (Note: the quantum state being thought of as a linear combination of its components.)

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Meanings

nounprobability amplitude (plural probability amplitudes)

plural probability amplitudes

  1. quantum mechanicsA complex number which is the coefficient of a component of a quantum state and whose product with its own complex conjugate gives the probability that the state will collapse to that component (when measured). (Note: the quantum state being thought of as a linear combination of its components.)

Translations

Chinese Mandarin 概率幅
  • 概率幅 (gàilǜfú)Translations
Cite this entry
APA

probability amplitude. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/probability%20amplitude

MLA

“probability amplitude.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/probability%20amplitude. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “probability amplitude,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/probability%20amplitude.

Source: probability amplitude on Wiktionary, CC BY-SA 4.0.