sf.physics.gaussian.controlled_Z¶

mrmustard.physics.gaussian.controlled_Z(g)[source]¶

Controlled PHASE gate of two-gaussian modes.

\[C_Z = \exp(ig q_1 \otimes q_2 / \hbar).\]

Reference: https://arxiv.org/pdf/2110.03247.pdf, Equation 8. https://arxiv.org/pdf/1110.3234.pdf, Equation 161.

Parameters:: g (float) – interaction strength
Returns:: the C_Z(g) matrix (in xxpp ordering)

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Contents

sf.physics.gaussian.controlled_Z
- controlled_Z()