Thursday

December 18, 2014

December 18, 2014

Posted by **Bel** on Friday, March 15, 2013 at 12:58pm.

a b

c d

II.Provide a unitary that maps cos (30) |0> + sin (30) |1> to cos(-15) |0> + sin(-15) |1> and cos(5) |0> + sin(5) |1> to cos(-40) |0> + sin(-40) |1> . Enter 0 in all boxes if no such unitary exists.

a b

c d

- Quantum Physics -
**Gina**, Friday, March 15, 2013 at 2:13pmHelpppp

- Quantum Physics -
**helper**, Sunday, March 17, 2013 at 2:25pm1/sqrt(2) -1/sqrt(2)

1/sqrt(2) 1/sqrt(2)

- Quantum Physics -
**Lumen**, Sunday, March 17, 2013 at 2:30pmThanks helper, any answer for the second? Thanks

- Quantum Physics -
**Gyano**, Sunday, March 17, 2013 at 3:48pmI. Is wrong?

- Quantum Physics -
**none of your god-damn business**, Monday, March 18, 2013 at 11:47amI have got all the rest of the answers correct.. this I couldn't muster.

What is the matrix for Z⊗X (Z applied on the first qubit and X applied on the second qubit)? provide directions, hints, solution ;)

- Quantum Physics -
**Quantum Physics**, Monday, March 18, 2013 at 11:58am0,1,0,0

1,0,0,0

0,0,0,-1

0,0,-1,0

- Quantum Physics -
**none of your god-damn business**, Monday, March 18, 2013 at 12:01pmthanks.. got it. 2 entries were wrong in mine. thanks a ton.. 100 % in the mid-term. YAAAAAY !!!

- Quantum Physics -
**Gyano**, Monday, March 18, 2013 at 12:53pmmatrix is wrong??

- Quantum Physics -
**Anonymous**, Monday, March 18, 2013 at 10:30pmHow about No 9a? What is the probability?

- Quantum Physics -
**lana**, Tuesday, March 19, 2013 at 12:41amproblem 8? pleaseee

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