| 11. | The complex probability amplitudes are something of a theoretical construct which cannot be directly observed.
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| 12. | Using a wavefunction representation for probability amplitudes,
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| 13. | The inner product between two state vectors is a complex number known as a probability amplitude.
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| 14. | That change, from probabilities to probability amplitudes, complicates the mathematics without changing the basic approach.
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| 15. | The probability amplitudes of } } for the states } } and } } are and respectively.
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| 16. | Hence if it isn't forbidden, there is some probability amplitude for it to happen.
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| 17. | The remaining two integrals contributing to the probability amplitude determine the electronic spatial and spin selection rules.
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| 18. | Unitary matrices have significant importance in quantum mechanics because they preserve norms, and thus, probability amplitudes.
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| 19. | The Schr�dinger equation acts on the " entire " probability amplitude, not merely its absolute value.
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| 20. | Therefore, P ( A to B ) actually consists of 16 complex numbers, or probability amplitude arrows.
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