mindquantum.core.circuit

Contents

mindquantum.core.circuit#

Circuit.

Quantum circuit module.

Class#

API Name	Description
`Circuit([gates])`	The quantum circuit module.
`SwapParts(a, b[, ...])`	Swap two different part of quantum circuit, with or without control qubits.
`UN(gate, maps_obj)`	Map a quantum gate to different objective qubits and control qubits.

Function#

API Name	Description
`add_prefix(...)`	Add a prefix on the parameter of a parameterized quantum circuit or a parameterized quantum operator.
`add_suffix(...)`	Add a suffix on the parameter of a parameterized quantum circuit or a parameterized quantum operator.
`apply(circuit_fn, ...)`	Apply a quantum circuit or a quantum operator (a function that can generate a quantum circuit) to different qubits.
`as_ansatz(circuit_fn)`	Conversion decorator of a circuit to an ansatz circuit.
`as_encoder(circuit_fn)`	Conversion decorator of a circuit to an encoder circuit.
`change_param_name(...)`	Change the parameter name of a parameterized quantum circuit or a parameterized quantum operator.
`controlled(circuit_fn)`	Add control qubits on a quantum circuit or a quantum operator.
`dagger(circuit_fn)`	Get the hermitian dagger of a quantum circuit or a quantum operator.
`decompose_single_term_time_evolution(...)`	Decompose a time evolution gate into basic quantum gates.
`pauli_word_to_circuits(...)`	Convert a single pauli word qubit operator to a quantum circuit.
`shift(circ, inc)`	Shift the qubit range of the given circuit.
`qfi(circuit[, backend])`	Calculate the quantum fisher information of the given parameterized circuit with given parameters.
`partial_psi_partial_psi(circuit)`	Calculate the following value of the given parameterized quantum circuit.
`partial_psi_psi(circuit)`	Calculate the following value of the given parameterized quantum circuit.

Channel adder#

API Name	Description
`ChannelAdderBase([...])`	Add noise channel after or before quantum gate.
`NoiseChannelAdder(channel)`	Add single qubit quantum channel.
`MeasureAccepter()`	Select measurement gate.
`ReverseAdder(adder)`	Reverse the accepter and excluder rules.
`NoiseExcluder([...])`	Exclude a noise channel.
`BitFlipAdder(flip_rate)`	Add BitFlip channel after or before quantum gate.
`MixerAdder(adders)`	Execute each adder if all accepter and excluder are met.
`SequentialAdder(adders)`	Execute each adder in this sequential.
`QubitNumberConstrain(...)`	Only add noise channel for `n_qubits` quantum gate.
`QubitIDConstrain(...)`	Select gate with qubit id in given list.
`GateSelector(gate)`	Select gate to add noise channel.
`DepolarizingChannelAdder(p, ...)`	Add DepolarizingChannel.

shortcut#

The operators blow are shortcut of correspand quantum circuit operators.

shortcut	high level circuit operators
mindquantum.core.circuit.C	`mindquantum.core.circuit.controlled`
mindquantum.core.circuit.D	`mindquantum.core.circuit.dagger`
mindquantum.core.circuit.A	`mindquantum.core.circuit.apply`
mindquantum.core.circuit.AP	`mindquantum.core.circuit.add_prefix`
mindquantum.core.circuit.CPN	`mindquantum.core.circuit.change_param_name`