Let |ψ = a|0+b|1 where a and b are nonnegative real numbers. We know that if we apply H to this qubit and then measure the resulting state in the sign basis, the probability of getting a + is 1/4

Question

Let |ψ> = a|0>+b|1>  where a  and  b are nonnegative real numbers. We know that if we apply H to this qubit and then measure the resulting state in the sign basis, the probability of getting a + is 1/4

(a) What is |ψ>  in the standard basis? 
 |0> =
 |1> =

(b) What is |ψ> in the sign basis? 
 |+>
 |->

Anonymous · Answer

does anyone know the answer

Megadeth · Answer

a) 1/2 + sqrt(3)/2

Megadeth · Answer

b) (1+sqrt(3))/(2*sqrt(2)) (1-sqrt(3))/(2*sqrt(2))

Mar · Answer

a) What quantum state do you have to input in order to get output |00⟩ ? b) What quantum state do you have to input in order to get output |11⟩ ?

Arl · Answer

(c) What quantum state do you have to input in order to get output 1/2sqrt(|00⟩+|11⟩)?

Agen · Answer

Please answer someone!

TIGER · Answer

what is the answer for these: (a) What is |ψ> in the standard basis? |0> = |1> =

Anonymous · Answer

a) 1/sqrt(2) 0 0 1/sqrt(2)

Anonymous · Answer

b)0 1/sqrt(2) -1/sqrt(2) 0 c)1/2 1/2 -1/2 1/2

TIGER · Answer

answer for this please:
Let |ψ> = a|0>+b|1> where a and b are nonnegative real numbers. We know that if we apply H to this qubit and then measure the resulting state in the sign basis, the probability of getting a + is 1/4

(a) What is |ψ> in the standard basis?
|0> =
|1> =

Ar · Answer

What is the matrix (4x4) for ZX (Z applied on the first qubit and X applied on the second qubit)?

Gyano · Answer

C) is wrong?

Anonymous · Answer

please a answer for this: What is the matrix (4x4) for ZX (Z applied on the first qubit and X applied on the second qubit)?