From memory of quantum class the amplitude is a complex number and are not directly probabilities: Most convenient reference: > In quantum mechanics, a proba

From memory of quantum class the amplitude is a complex number and are not directly probabilities: Most convenient reference: > In quantum mechanics, a probability amplitude is a complex number ... https://en.wikipedia.org/wiki/Probability_amplitude#A_basic_example https://en.wikipedia.org/wiki/Probability_amplitude#A_basic_...