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April 19, 2014

Homework Help: Quantum Physics

Posted by qwerty on Monday, March 25, 2013 at 10:32pm.

Let f:{0,1}->{0,1} with f(101)=1 and f(x)=0 for x ≠ 101 . In this question, we will run through two iterations of the algorithm.

(a) What is the superposition after the initialization step? Note that you can describe the superposition Σαx|x> by specifying two numbers α101 and αx for x ≠ 101 .

- α101=
- αx for x ≠ 101 =

(b) After the phase inversion in iteration 1?

- α101=
- αx for x ≠ 101 =

(c) After the inversion about mean in iteration 1?

- α101=
- αx for x ≠ 101 =

(d) After the phase inversion in iteration 2?

- α101=
- αx for x ≠ 101 =

(e) After the inversion about mean in iteration 2?

- α101=
- αx for x ≠ 101 =

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