cirq.experiments.state_tomography

This performs n qubit tomography on a cirq circuit

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Main aliases

`cirq.experiments.n_qubit_tomography.state_tomography`

cirq.experiments.state_tomography(
    sampler: "cirq.Sampler",
    qubits: Sequence['cirq.Qid'],
    circuit: "cirq.Circuit",
    repetitions: int = 1000,
    prerotations: cirq.vis.heatmap.Polygon = None
) -> cirq.experiments.TomographyResult

Follows https://web.physics.ucsb.edu/~martinisgroup/theses/Neeley2010b.pdf A.1. State Tomography. This is a high level interface for StateTomographyExperiment.

Args
`circuit`	Circuit to do the tomography on.
`qubits`	Qubits to do the tomography on.
`sampler`	Sampler to collect the data from.
`repetitions`	Number of times to sample each rotation.
`prerotations`	Tuples of (phase_exponent, exponent) parameters for gates to apply to the qubits before measurement. The actual rotation applied will be `cirq.PhasedXPowGate` with the specified values of phase_exponent and exponent. If None, we use [(0, 0), (0, 0.5), (0.5, 0.5)], which corresponds to rotation gates [I, X0.5, Y0.5].

Returns
`TomographyResult` which contains the density matrix of the qubits determined by tomography.

cirq.experiments.state_tomography

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Args

Returns