Quantum Computing, Quantum Physics, Programming, Physics, Science.
expression. Doing this is a bit long but not hard, as shown below: Proof that the circuit is equivalent to the expected operator This can easily be extended to any number of qubits, i.e., e^[i σ_z⊗σ_z⊗⋯⊗σ_z t] [3]. Now, what happens if we have a Pauli matrix that is not σ_z in the exponent? Well,