qat.lang.algorithms.amplification.householder

qat.lang.algorithms.amplification.householder(state_prep)

Given some state preparation circuit implementing a unitary operator \(U\), builds a Householder transform of the form:

\[2\left(U|0\rangle\langle 0|U^\dagger\right) - I\]

Parameters

state_prep (Gate) – a quantum gate or routine

Returns

a routine

Return type

QRoutine