Physics
posted by RCH3 .
Suppose H⊗3ϕ⟩=(1/2)√(000⟩+111⟩). What is ϕ⟩? Specify the probability amplitude for each component:

0.5, 0, 0, 0.5, 0, 0.5, 0.5, 0
Respond to this Question
Similar Questions

quantum mechanics
Suppose we have a qubit in the state ψ⟩=120⟩+3√21⟩. If we measure this qubit in u⟩=3√20⟩+121⟩,u⊥⟩=−120⟩+3√21⟩ basis, what is … 
math
Let ϕ⟩=a0⟩+b1⟩ where a and b are nonnegative real numbers. We know that if we measure ϕ⟩ in the standard basis, the probability of getting a 0 is 925. What is ϕ⟩? 
Physics
We have a qubit in the state ϕ⟩=3√20⟩+121⟩, which we want to measure in the {cosθ0⟩+sinθ1⟩,sinθ0⟩−cosθ1⟩} basis. In order for the two possible … 
Physics
Suppose we have a onequbit unitary U that maps 0⟩ to 120⟩+3√i21⟩ and +⟩ to 1−3√i22√0⟩+3√i−122√1⟩. What is U? 
physics
Suppose we have ϕ⟩=∑y∈{0,1}nβyy⟩ such that βy=0 if s⋅y=1mod2 and βy=12(n−1)/2 if s⋅y=0mod2, where s is some hidden nbit string. (a) If we run Fourier sampling on ϕ⟩, … 
physics
Suppose H⊗3ϕ⟩=12√(000⟩+111⟩). What is ϕ⟩? 
physics
Consider the Hamiltonian H=Z⊗3 acting on 3 qubits. What is the ground energy of the system? 
physcics
et ϕ⟩=a0⟩+b1⟩ where a and b are nonnegative real numbers. We know that if we measure ϕ⟩ in the standard basis, the probability of getting a 0 is 925. What is ϕ⟩? 
quantummechanics
The following circuit is designed for testing whether u⟩=v⟩. The threequbit gate in the middle is called the controlled SWAP gate, which swaps the last two qubits if and only if the first qubit is 1 (a) If u⟩=v⟩=+⟩, … 
Quantum Physics
Suppose you are given an endless supply of qubits in the state 12√00⟩+eiϕ2√10⟩. To estimate the phase angle ϕ, you run Fourier sampling (i.e. Hadamard on each qubit followed by a standard basis …