qiskit.quantum_info.SuperOp.power¶

SuperOp.power(n)

Return the power of the quantum channel.

Paramètres

n (float) – the power exponent.

Renvoie

the channel $$\mathcal{{E}} ^n$$.

Type renvoyé

SuperOp

Lève

QiskitError – if the input and output dimensions of the SuperOp are not equal.

Note

For non-positive or non-integer exponents the power is defined as the matrix power of the SuperOp representation ie. for a channel $$\mathcal{{E}}$$, the SuperOp of the powered channel $$\mathcal{{E}}^\n$$ is $$S_{{\mathcal{{E}}^n}} = S_{{\mathcal{{E}}}}^n$$.