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Device classes, qubits, and topologies, as well as noise models.
Modules
device module
grid_device_metadata module: Metadata subtype for 2D Homogenous devices.
grid_qubit module
insertion_noise_model module
line_qubit module
named_topologies module
noise_model module
noise_properties module: Classes for representing device noise.
noise_utils module
superconducting_qubits_noise_properties module: Class for representing noise on a superconducting qubit device.
thermal_noise_model module
unconstrained_device module
Classes
class ConstantQubitNoiseModel: Applies noise to each qubit individually at the start of every moment.
class Device: Hardware constraints for validating circuits.
class DeviceMetadata: Parent type for all device specific metadata classes.
class GridDeviceMetadata: Hardware metadata for homogenous 2d symmetric grid devices.
class GridQid: A qid on a 2d square lattice
class GridQubit: A qubit on a 2d square lattice.
class InsertionNoiseModel: Simple base noise model for inserting operations.
class LineQid: A qid on a 1d lattice with nearest-neighbor connectivity.
class LineQubit: A qubit on a 1d lattice with nearest-neighbor connectivity.
class LineTopology: A 1D linear topology.
class NamedTopology: A topology (graph) with a name.
class NoiseModel: Replaces operations and moments with noisy counterparts.
class NoiseModelFromNoiseProperties: Replaces operations and moments with noisy counterparts.
class NoiseProperties: Noise-defining properties for a quantum device.
class OpIdentifier: Identifies an operation by gate and (optionally) target qubits.
class SuperconductingQubitsNoiseProperties: Noise-defining properties for a superconducting-qubit-based device.
class SymmetricalQidPair: THIS CLASS IS DEPRECATED.
class ThermalNoiseModel: NoiseModel representing simulated thermalization of a qubit.
class TiltedSquareLattice: A grid lattice rotated 45-degrees.
Functions
average_error(...): Calculates the average error from the depolarization decay constant.
decay_constant_to_pauli_error(...): Calculates pauli error from the depolarization decay constant.
decay_constant_to_xeb_fidelity(...): Calculates the XEB fidelity from the depolarization decay constant.
decoherence_pauli_error(...): The component of Pauli error caused by decoherence on a single qubit.
draw_gridlike(...): Draw a grid-like graph using Matplotlib.
draw_placements(...): Draw a visualization of placements from small_graph onto big_graph using Matplotlib.
get_placements(...): Get 'placements' mapping small_graph nodes onto those of big_graph.
pauli_error_from_t1(...): Calculates the pauli error from T1 decay constant.
pauli_error_to_decay_constant(...): Calculates depolarization decay constant from pauli error.
xeb_fidelity_to_decay_constant(...): Calculates the depolarization decay constant from XEB fidelity.