API Reference¶
Devices and Qubits¶
Classes for identifying the qubits and hardware you want to operate on.
Device |
Hardware constraints for validating circuits and schedules. |
GridQubit (row, col) |
A qubit on a 2d square lattice. |
LineQubit (x) |
A qubit on a 1d lattice with nearest-neighbor connectivity. |
NamedQubit (name) |
A qubit identified by name. |
QubitId |
Identifies a qubit. |
UnconstrainedDevice |
A device that allows everything. |
Single Qubit Gates¶
Unitary operations you can apply to a single qubit. Also measurement.
H |
A Gate that performs a rotation around the X+Z axis of the Bloch sphere. |
HPowGate (*, exponent, float] = 1.0, global_shift) |
A Gate that performs a rotation around the X+Z axis of the Bloch sphere. |
measure (*qubits, key, invert_mask, …] = ()) |
Returns a single MeasurementGate applied to all the given qubits. |
measure_each (*qubits, key_func, str] = <class >) |
Returns a list of operations individually measuring the given qubits. |
MeasurementGate (key, invert_mask, …] = ()) |
A gate that measures qubits in the computational basis. |
PhasedXPowGate (*, phase_exponent, …) |
A gate equivalent to the circuit ───Z^-p───X^t───Z^p───. |
Rx (rads) |
Returns a gate with the matrix e^{-i X rads / 2}. |
Ry (rads) |
Returns a gate with the matrix e^{-i Y rads / 2}. |
Rz (rads) |
Returns a gate with the matrix e^{-i Z rads / 2}. |
S |
A gate that rotates around the Z axis of the Bloch sphere. |
SingleQubitMatrixGate (matrix) |
A 1-qubit gate defined by its matrix. |
T |
A gate that rotates around the Z axis of the Bloch sphere. |
TwoQubitMatrixGate (matrix) |
A 2-qubit gate defined only by its matrix. |
X |
A gate that rotates around the X axis of the Bloch sphere. |
XPowGate (*, exponent, float] = 1.0, global_shift) |
A gate that rotates around the X axis of the Bloch sphere. |
Y |
A gate that rotates around the Y axis of the Bloch sphere. |
YPowGate (*, exponent, float] = 1.0, global_shift) |
A gate that rotates around the Y axis of the Bloch sphere. |
Z |
A gate that rotates around the Z axis of the Bloch sphere. |
ZPowGate (*, exponent, float] = 1.0, global_shift) |
A gate that rotates around the Z axis of the Bloch sphere. |
Two Qubit Gates¶
Unitary operations you can apply to pairs of qubits.
CNOT |
A gate that applies a controlled power of an X gate. |
CNotPowGate (*, exponent, float] = 1.0, …) |
A gate that applies a controlled power of an X gate. |
CZ |
A gate that applies a phase to the |11⟩ state of two qubits. |
CZPowGate (*, exponent, float] = 1.0, …) |
A gate that applies a phase to the |11⟩ state of two qubits. |
ISWAP |
Rotates the |01⟩-vs-|10⟩ subspace of two qubits around its Bloch X-axis. |
ISwapPowGate (*, exponent, float] = 1.0, …) |
Rotates the |01⟩-vs-|10⟩ subspace of two qubits around its Bloch X-axis. |
MS (rads) |
The Mølmer–Sørensen gate, a native two-qubit operation in ion traps. |
SWAP |
The SWAP gate, possibly raised to a power. |
SwapPowGate (*, exponent, float] = 1.0, …) |
The SWAP gate, possibly raised to a power. |
XX |
The X-parity gate, possibly raised to a power. |
XXPowGate (*, exponent, float] = 1.0, …) |
The X-parity gate, possibly raised to a power. |
YY |
The Y-parity gate, possibly raised to a power. |
YYPowGate (*, exponent, float] = 1.0, …) |
The Y-parity gate, possibly raised to a power. |
ZZ |
The Z-parity gate, possibly raised to a power. |
ZZPowGate (*, exponent, float] = 1.0, …) |
The Z-parity gate, possibly raised to a power. |
Three Qubit Gates¶
Unitary operations you can apply to triplets of qubits, with helpful adjacency-respecting decompositions.
CCX |
A Toffoli (doubly-controlled-NOT) that can be raised to a power. |
CCXPowGate (*, exponent, float] = 1.0, …) |
A Toffoli (doubly-controlled-NOT) that can be raised to a power. |
CCZ |
A doubly-controlled-Z that can be raised to a power. |
CCZPowGate (*, exponent, float] = 1.0, …) |
A doubly-controlled-Z that can be raised to a power. |
CSWAP |
A controlled swap gate. |
CSwapGate |
A controlled swap gate. |
FREDKIN |
A controlled swap gate. |
TOFFOLI |
A Toffoli (doubly-controlled-NOT) that can be raised to a power. |
Other Gate and Operation Classes¶
Generic classes for creating new kinds of gates and operations.
ControlledGate (sub_gate) |
Augments existing gates with a control qubit. |
EigenGate (*, exponent, float] = 1.0, …) |
A gate with a known eigendecomposition. |
Gate |
An operation type that can be applied to a collection of qubits. |
GateOperation (gate, qubits) |
An application of a gate to a sequence of qubits. |
InterchangeableQubitsGate |
Indicates operations should be equal under some qubit permutations. |
Operation |
An effect applied to a collection of qubits. |
ReversibleCompositeGate |
A composite gate that gets decomposed into reversible gates. |
SingleQubitGate |
A gate that must be applied to exactly one qubit. |
ThreeQubitGate |
A gate that must be applied to exactly three qubits. |
TwoQubitGate |
A gate that must be applied to exactly two qubits. |
Circuits and Schedules¶
Utilities for representing and manipulating quantum computations.
Circuit (moments, device) |
A mutable list of groups of operations to apply to some qubits. |
flatten_op_tree (root, Iterable[Any]]) |
Performs an in-order iteration of the operations (leaves) in an OP_TREE. |
freeze_op_tree (root, Iterable[Any]]) |
Replaces all iterables in the OP_TREE with tuples. |
InsertStrategy (name, doc) |
Indicates preferences on how to add multiple operations to a circuit. |
Moment (operations) |
A simplified time-slice of operations within a sequenced circuit. |
moment_by_moment_schedule (device, circuit) |
Returns a schedule aligned with the moment structure of the Circuit. |
OP_TREE |
Union type; Union[X, Y] means either X or Y. |
QubitOrder (explicit_func, …) |
Defines the kronecker product order of qubits. |
QubitOrderOrList |
Union type; Union[X, Y] means either X or Y. |
Schedule (device, scheduled_operations) |
A quantum program with operations happening at specific times. |
ScheduledOperation (time, duration, operation) |
An operation that happens over a specified time interval. |
transform_op_tree (root, Iterable[Any]], …) |
Maps transformation functions onto the nodes of an OP_TREE. |
Trials and Simulations¶
Classes for parameterized circuits.
bloch_vector_from_state_vector (state, index) |
Returns the bloch vector of a qubit. |
density_matrix_from_state_vector (state, indices) |
Returns the density matrix of the wavefunction. |
dirac_notation (state, decimals) |
Returns the wavefunction as a string in Dirac notation. |
Linspace (key, start, stop, length) |
A simple sweep over linearly-spaced values. |
measure_state_vector (state, indices, out) |
Performs a measurement of the state in the computational basis. |
ParamResolver (param_dict, float]) |
Resolves Symbols to actual values. |
plot_state_histogram (result) |
Plot the state histogram from a single result with repetitions. |
Points (key, points) |
A simple sweep with explicitly supplied values. |
sample_state_vector (state, indices, repetitions) |
Samples repeatedly from measurements in the computational basis. |
SimulatesSamples |
Simulator that mimics running on quantum hardware. |
SimulationTrialResult (params, measurements, …) |
Results of a simulation by a SimulatesFinalWaveFunction. |
Simulator ([dtype]) |
A sparse matrix wave function simulator that uses numpy. |
SimulatorStep (state, measurements, …) |
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StepResult (qubit_map, measurements, List[bool]]]) |
Results of a step of a SimulatesFinalWaveFunction. |
SimulatesFinalWaveFunction |
Simulator that allows access to a quantum computer’s wavefunction. |
SimulatesIntermediateWaveFunction |
A SimulatesFinalWaveFunction that simulates a circuit by moments. |
Sweep |
A sweep is an iterator over ParamResolvers. |
Sweepable |
Union type; Union[X, Y] means either X or Y. |
to_valid_state_vector (state_rep, …) |
Verifies the initial_state is valid and converts it to ndarray form. |
validate_normalized_state (state, num_qubits, …) |
Validates that the given state is a valid wave function. |
to_resolvers (sweepable, …) |
Convert a Sweepable to a list of ParamResolvers. |
TrialResult (*, params, measurements, …) |
The results of multiple executions of a circuit with fixed parameters. |
UnitSweep |
A sweep with a single element that assigns no parameter values. |
Magic Method Protocols¶
Utility methods for accessing generic functionality exposed by some gates, operations, and other types.
apply_unitary (unitary_value, args, default) |
High performance left-multiplication of a unitary effect onto a tensor. |
circuit_diagram_info (val, args[, default, …]) |
Requests information on drawing an operation in a circuit diagram. |
decompose (val, *, intercepting_decomposer, …) |
Recursively decomposes a value into cirq.Operation s meeting a criteria. |
decompose_once (val[, default]) |
Decomposes a value into operations, if possible. |
decompose_once_with_qubits (val, qubits[, …]) |
Decomposes a value into operations on the given qubits. |
inverse (val, default) |
Returns the inverse val**-1 of the given value, if defined. |
mul (lhs, rhs, default) |
Returns lhs * rhs, or else a default if the operator is not implemented. |
pow (val, exponent, default) |
Returns val**factor of the given value, if defined. |
qasm (val, *, args, qubits, default) |
Returns QASM code for the given value, if possible. |
is_parameterized (val) |
Returns whether the object is parameterized with any Symbols. |
resolve_parameters (val, param_resolver) |
Resolves symbol parameters in the effect using the param resolver. |
has_unitary (val) |
Returns whether the value has a unitary matrix representation. |
unitary (val, default[, dtype]) |
Returns a unitary matrix describing the given value. |
trace_distance_bound (val) |
Returns a maximum on the trace distance between this effect’s input
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phase_by (val, phase_turns, qubit_index, default) |
Returns a phased version of the effect. |
Magic Method Protocol Types¶
Classes defining and used by the magic method protocols.
CircuitDiagramInfo (wire_symbols, …], …) |
Describes how to draw an operation in a circuit diagram. |
CircuitDiagramInfoArgs (known_qubits, …) |
A request for information on drawing an operation in a circuit diagram. |
QasmArgs (precision, version, qubit_id_map, …) |
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QasmOutput (operations, Iterable[Any]], …) |
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SupportsApplyUnitary (*args, **kwargs) |
An object that can be efficiently left-multiplied into tensors. |
SupportsCircuitDiagramInfo (*args, **kwargs) |
A diagrammable operation on qubits. |
SupportsDecompose (*args, **kwargs) |
An object that can be decomposed into simpler operations. |
SupportsDecomposeWithQubits (*args, **kwargs) |
An object that can be decomposed into operations on given qubits. |
SupportsParameterization (*args, **kwargs) |
An object that can be parameterized by Symbols and resolved
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SupportsPhase (*args, **kwargs) |
An effect that can be phased around the Z axis of target qubits. |
SupportsQasm (*args, **kwargs) |
An object that can be turned into QASM code. |
SupportsQasmWithArgs (*args, **kwargs) |
An object that can be turned into QASM code. |
SupportsQasmWithArgsAndQubits (*args, **kwargs) |
An object that can be turned into QASM code if it knows its qubits. |
SupportsTraceDistanceBound (*args, **kwargs) |
An effect with known bounds on how easy it is to detect. |
SupportsUnitary (*args, **kwargs) |
An object that may be describable by a unitary matrix. |
Optimization¶
Classes and methods for rewriting circuits.
ConvertToCzAndSingleGates (ignore_failures, …) |
Attempts to convert strange multi-qubit gates into CZ and single qubit
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DropEmptyMoments |
Removes empty moments from a circuit. |
DropNegligible (tolerance) |
An optimization pass that removes operations with tiny effects. |
EjectPhasedPaulis (tolerance) |
Pushes X, Y, and PhasedX gates towards the end of the circuit. |
EjectZ (tolerance) |
Pushes Z gates towards the end of the circuit. |
ExpandComposite (no_decomp, …) |
An optimizer that expands composite operations via cirq.decompose . |
google.optimized_for_xmon (circuit, …) |
Optimizes a circuit with XmonDevice in mind. |
merge_single_qubit_gates_into_phased_x_z (…) |
Canonicalizes runs of single-qubit rotations in a circuit. |
MergeInteractions (tolerance, …) |
Combines series of adjacent one and two-qubit gates operating on a
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MergeSingleQubitGates (*, rewriter, …) |
Optimizes runs of adjacent unitary 1-qubit operations. |
OptimizationPass |
Rewrites a circuit’s operations in place to make them better. |
PointOptimizationSummary (clear_span, …) |
A description of a local optimization to perform. |
PointOptimizer (post_clean_up, …) |
Makes circuit improvements focused on a specific location. |
single_qubit_matrix_to_gates (mat, tolerance) |
Implements a single-qubit operation with few gates. |
single_qubit_matrix_to_pauli_rotations (mat, …) |
Implements a single-qubit operation with few rotations. |
single_qubit_matrix_to_phased_x_z (mat, atol) |
Implements a single-qubit operation with a PhasedX and Z gate. |
single_qubit_op_to_framed_phase_form (mat) |
Decomposes a 2x2 unitary M into U^-1 * diag(1, r) * U * diag(g, g). |
two_qubit_matrix_to_operations (q0, q1, mat, …) |
Decomposes a two-qubit operation into Z/XY/CZ gates. |
Utilities¶
General utility methods, mostly related to performing relevant linear algebra operations and decompositions.
allclose_up_to_global_phase (a, b, rtol, …) |
Determines if a ~= b * exp(i t) for some t. |
apply_matrix_to_slices (target, matrix, …) |
Left-multiplies an NxN matrix onto N slices of a numpy array. |
bidiagonalize_real_matrix_pair_with_symmetric_products (…) |
Finds orthogonal matrices that diagonalize both mat1 and mat2. |
bidiagonalize_unitary_with_special_orthogonals (…) |
Finds orthogonal matrices L, R such that L @ matrix @ R is diagonal. |
canonicalize_half_turns (half_turns, float]) |
Wraps the input into the range (-1, +1]. |
chosen_angle_to_canonical_half_turns (…) |
Returns a canonicalized half_turns based on the given arguments. |
chosen_angle_to_half_turns (half_turns, …) |
Returns a half_turns value based on the given arguments. |
slice_for_qubits_equal_to (target_qubit_axes, …) |
Returns an index corresponding to a desired subset of an np.ndarray. |
block_diag (*blocks) |
Concatenates blocks into a block diagonal matrix. |
match_global_phase (a, b) |
Phases the given matrices so that they agree on the phase of one entry. |
commutes (m1, m2, tolerance[, atol, equal_nan]) |
Determines if two matrices approximately commute. |
CONTROL_TAG |
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diagonalize_real_symmetric_and_sorted_diagonal_matrices (…) |
Returns an orthogonal matrix that diagonalizes both given matrices. |
diagonalize_real_symmetric_matrix (matrix, …) |
Returns an orthogonal matrix that diagonalizes the given matrix. |
dot (*values) |
Computes the dot/matrix product of a sequence of values. |
Duration (*, picos, float] = 0, nanos, float] = 0) |
A time delta that supports picosecond accuracy. |
is_diagonal (matrix, tolerance[, atol, equal_nan]) |
Determines if a matrix is a approximately diagonal. |
is_hermitian (matrix, tolerance[, atol, …]) |
Determines if a matrix is approximately Hermitian. |
is_negligible_turn (turns, tolerance) |
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is_orthogonal (matrix, tolerance[, atol, …]) |
Determines if a matrix is approximately orthogonal. |
is_special_orthogonal (matrix, tolerance[, …]) |
Determines if a matrix is approximately special orthogonal. |
is_special_unitary (matrix, tolerance[, …]) |
Determines if a matrix is approximately unitary with unit determinant. |
is_unitary (matrix, tolerance[, atol, equal_nan]) |
Determines if a matrix is approximately unitary. |
kak_canonicalize_vector (x, y, z) |
Canonicalizes an XX/YY/ZZ interaction by swap/negate/shift-ing axes. |
kak_decomposition (mat, tolerance[, atol, …]) |
Decomposes a 2-qubit unitary into 1-qubit ops and XX/YY/ZZ interactions. |
KakDecomposition (*, global_phase, …) |
A convenient description of an arbitrary two-qubit operation. |
kron (*matrices) |
Computes the kronecker product of a sequence of matrices. |
kron_factor_4x4_to_2x2s (matrix, tolerance[, …]) |
Splits a 4x4 matrix U = kron(A, B) into A, B, and a global factor. |
kron_with_controls (*matrices) |
Computes the kronecker product of a sequence of matrices and controls. |
map_eigenvalues (matrix, func, complex], …) |
Applies a function to the eigenvalues of a matrix. |
reflection_matrix_pow (reflection_matrix, …) |
Raises a matrix with two opposing eigenvalues to a power. |
so4_to_magic_su2s (mat, tolerance[, atol, …]) |
Finds 2x2 special-unitaries A, B where mat = Mag.H @ kron(A, B) @ Mag. |
Symbol (name) |
A constant plus the runtime value of a parameter with a given key. |
targeted_left_multiply (left_matrix, …) |
Left-multiplies the given axes of the target tensor by the given matrix. |
TextDiagramDrawer () |
A utility class for creating simple text diagrams. |
Timestamp (*, picos, float] = 0, nanos, …) |
A location in time with picosecond accuracy. |
Tolerance (rtol, atol, equal_nan) |
Specifies thresholds for doing approximate equality. |
value_equality (cls, *, unhashable, …) |
Implements eq/ne/hash via a value_equality_values method. |
Experiments¶
Utilities for running experiments on hardware, or producing things required to run experiments.
generate_supremacy_circuit_google_v2 (qubits, …) |
Generates Google Random Circuits v2 as in github.com/sboixo/GRCS
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generate_supremacy_circuit_google_v2_bristlecone (…) |
Generates Google Random Circuits v2 in Bristlecone.
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generate_supremacy_circuit_google_v2_grid (…) |
Generates Google Random Circuits v2 as in github.com/sboixo/GRCS
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Google¶
Functionality specific to quantum hardware and services from Google.
google.AnnealSequenceSearchStrategy (…) |
Linearized sequence search using simulated annealing method. |
google.GreedySequenceSearchStrategy (algorithm) |
Greedy search method for linear sequence of qubits on a chip. |
google.Bristlecone |
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google.ConvertToXmonGates ([ignore_failures]) |
Attempts to convert strange gates into XmonGates. |
google.Engine (api_key, api, version, …) |
Runs programs via the Quantum Engine API. |
google.engine_from_environment () |
Returns an Engine instance configured using environment variables. |
google.Foxtail |
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google.gate_to_proto_dict (gate, qubits, …]) |
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google.is_native_xmon_op (op) |
Check if the gate corresponding to an operation is a native xmon gate. |
google.JobConfig (project_id, program_id, …) |
Configuration for a program and job to run on the Quantum Engine API. |
google.line_on_device (device, length, method) |
Searches for linear sequence of qubits on device. |
google.LinePlacementStrategy |
Choice and options for the line placement calculation method. |
google.optimized_for_xmon (circuit, …) |
Optimizes a circuit with XmonDevice in mind. |
google.pack_results (measurements, …) |
Pack measurement results into a byte string. |
google.schedule_from_proto_dicts (device, ops) |
Convert proto dictionaries into a Schedule for the given device. |
google.schedule_to_proto_dicts (schedule) |
Convert a schedule into an iterable of proto dictionaries. |
google.unpack_results (data, repetitions, …) |
Unpack data from a bitstring into individual measurement results. |
google.xmon_op_from_proto_dict (proto_dict) |
Convert the proto dictionary to the corresponding operation. |
google.XmonDevice (measurement_duration, …) |
A device with qubits placed in a grid. |
google.XmonOptions (num_shards, …) |
XmonOptions for the XmonSimulator. |
google.XmonSimulator (options) |
XmonSimulator for Xmon class quantum circuits. |
google.XmonStepResult (stepper, qubit_map, …) |
Results of a step of the simulator. |
Testing¶
Functionality for writing unit tests involving objects from Cirq, and also some general testing utilities.
testing.assert_allclose_up_to_global_phase (…) |
Checks if a ~= b * exp(i t) for some t. |
testing.assert_circuits_with_terminal_measurements_are_equivalent (…) |
Determines if two circuits have equivalent effects. |
testing.assert_decompose_is_consistent_with_unitary (…) |
Uses val._unitary_ to check val._phase_by_ ’s behavior. |
testing.assert_eigen_gate_has_consistent_apply_unitary (…) |
Tests whether an EigenGate type’s apply_unitary is correct. |
testing.assert_equivalent_repr (value, *, …) |
Checks that eval(repr(v)) == v. |
testing.assert_has_consistent_apply_unitary (…) |
Tests whether a value’s apply_unitary is correct. |
testing.assert_has_consistent_apply_unitary_for_various_exponents (val, *) |
Tests whether a value’s apply_unitary is correct. |
testing.assert_has_diagram (actual, desired, …) |
Determines if a given circuit has the desired text diagram. |
testing.assert_phase_by_is_consistent_with_unitary (val) |
Uses val._unitary_ to check val._phase_by_ ’s behavior. |
testing.assert_qasm_is_consistent_with_unitary (val) |
Uses val._unitary_ to check val._qasm_ ’s behavior. |
testing.assert_same_circuits (actual, expected) |
Asserts that two circuits are identical, with a descriptive error. |
testing.EqualsTester () |
Tests equality against user-provided disjoint equivalence groups. |
testing.highlight_text_differences (actual, …) |
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testing.nonoptimal_toffoli_circuit (q0, q1, …) |
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testing.only_test_in_python3 (func) |
A decorator that indicates a test should not execute in python 2. |
testing.OrderTester () |
Tests ordering against user-provided disjoint ordered groups or items. |
testing.random_circuit (qubits, int], …) |
Generates a random circuit. |
testing.random_orthogonal (dim) |
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testing.random_special_orthogonal (dim) |
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testing.random_special_unitary (dim) |
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testing.random_unitary (dim) |
Returns a random unitary matrix distributed with Haar measure. |
testing.TempDirectoryPath |
A context manager that provides a temporary directory for use within a
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testing.TempFilePath |
A context manager that provides a temporary file path for use within a
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Work in Progress - Noisy Channels¶
Imperfect operations.
amplitude_damp (gamma) |
Returns an AmplitudeDampingChannel with the given probability gamma. |
AmplitudeDampingChannel (gamma) |
Dampen qubit amplitudes through dissipation. |
asymmetric_depolarize (p_x, p_y, p_z) |
Returns a AsymmetricDepolarizingChannel with given parameter. |
AsymmetricDepolarizingChannel (p_x, p_y, p_z) |
A channel that depolarizes asymmetrically along different directions. |
bit_flip (p) |
Construct a BitFlipChannel that flips a qubit state
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BitFlipChannel (p) |
Probabilistically flip a qubit from 1 to 0 state or vice versa. |
channel (val, default[, dtype]) |
Returns a list of matrices describing the channel for the given value. |
depolarize (p) |
Returns a DepolarizingChannel with given probability of error. |
DepolarizingChannel (p) |
A channel that depolarizes a qubit. |
generalized_amplitude_damp (p, gamma) |
Returns a GeneralizedAmplitudeDampingChannel with the given
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GeneralizedAmplitudeDampingChannel (p, gamma) |
Dampen qubit amplitudes through non ideal dissipation. |
phase_damp (gamma) |
Creates a PhaseDampingChannel with damping constant gamma. |
PhaseDampingChannel (gamma) |
Dampen qubit phase. |
phase_flip (p) |
Returns a PhaseFlipChannel that flips a qubit’s phase with probability
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PhaseFlipChannel (p) |
Probabilistically flip the sign of the phase of a qubit. |
rotation_error (eps_x, eps_y, eps_z) |
Constructs a RotationErrorChannel that can over/under rotate
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RotationErrorChannel (eps_x, eps_y, eps_z) |
Channel to introduce rotation error in X, Y, Z. |
SupportsChannel (*args, **kwargs) |
An object that may be describable as a quantum channel. |
Work in Progress - Stabilizers¶
Tools for working with the well-behaved operations from the Clifford+Measurement set.
CircuitDag (can_reorder, …) |
A representation of a Circuit as a directed acyclic graph. |
SingleQubitCliffordGate (*, _rotation_map, …) |
Any single qubit Clifford rotation. |
Pauli (*, _index, _name) |
Represents the X, Y, or Z axis of the Bloch sphere. |
PauliInteractionGate (pauli0, invert0, …) |
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PauliString (qubit_pauli_map, …) |
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PauliTransform (to, flip) |
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Unique (val) |
A wrapper for a value that doesn’t compare equal to other instances. |
Contrib¶
Contributed code that requires extra dependencies to be installed, code that may be unstable, and code that may or may not be a fit for the main library. A waiting area.
contrib.acquaintance |
Primitives for generalized swap networks. |
contrib.jobs |
Package for handling a full quantum job. |
contrib.paulistring |
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contrib.qcircuit |
Converts cirq circuits into latex using qcircuit. |
contrib.quirk |
Converts cirq circuits into quirk circuits. |
contrib.tpu |