Uniform quantum superposition

The uniform superposition of all

n

-bit strings is

\frac{1}{2 ^{n}} \sum_{x \in {0, 1}^{n}} ∣ x ⟩ = H^{\otimes n} ∣0 ⟩^{\otimes n} .

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Marked density under a permutation
Past exam of the mathematics course of the University of Cambridge / 2016 / iii / Paper 324 / 1 / ii / Solution
Past exam of the mathematics course of the University of Cambridge / 2016 / iii / Paper 324 / 2 / c / Solution
Past exam of the mathematics course of the University of Cambridge / 2017 / iii / Paper 324 / 2 / a / Solution
Past exam of the mathematics course of the University of Cambridge / 2020 / ii / Paper 2 / 15C / a / Solution

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