Consider two operators (mathbf{A}) and B. Show that [e^{-i mathbf{A}} e^{-i mathbf{B}}=e^{-i(mathbf{A}+mathbf{B})}] only if (mathbf{A}) and (mathbf{B})
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Consider two operators \(\mathbf{A}\) and B. Show that
\[e^{-i \mathbf{A}} e^{-i \mathbf{B}}=e^{-i(\mathbf{A}+\mathbf{B})}\]
only if \(\mathbf{A}\) and \(\mathbf{B}\) commute.
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Related Book For
An Introduction To Groups And Their Matrices For Science Students
ISBN: 9781108831086
1st Edition
Authors: Robert Kolenkow
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