|A>=a|0>+b|1>(adsbygoogle = window.adsbygoogle || []).push({});

<A|A>=probability amp |<A|A>|^2=probability

If the state is same, so <A|A>= a^2+b^2=1. then i find the probability and no interference term in it!

so can i say <A|A>=|<A|A>|^2 and no square is needed? since if i square it become a^4+b^4=??

what wrong with it! and where should i place interference term?!

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# Probability and probability amplitude

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