Hi. I have read that when working in 3-D the following kets |(adsbygoogle = window.adsbygoogle || []).push({}); x> and |p> are not vectors in 3-D. If that is correct what are they ? I know | ψ > is an abstract vector but I thought |x> and |p> would be 3-D vectors in the position and momentum representation ?

Thanks

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# I Kets and vectors

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