VariationalAnsatz

quantrs2_sim::advanced_variational_algorithms

Enum VariationalAnsatz 

Source 
pub enum VariationalAnsatz {
    HardwareEfficient {
        layers: usize,
        entangling_gates: Vec<InterfaceGateType>,
        rotation_gates: Vec<InterfaceGateType>,
    },
    UCCSD {
        num_electrons: usize,
        num_orbitals: usize,
        include_triples: bool,
    },
    QAOA {
        problem_hamiltonian: ProblemHamiltonian,
        mixer_hamiltonian: MixerHamiltonian,
        layers: usize,
    },
    Adaptive {
        max_layers: usize,
        growth_criterion: GrowthCriterion,
        operator_pool: Vec<InterfaceGate>,
    },
    QuantumNeuralNetwork {
        hidden_layers: Vec<usize>,
        activation_type: QuantumActivation,
        connectivity: NetworkConnectivity,
    },
    TensorNetworkAnsatz {
        bond_dimension: usize,
        network_topology: TensorTopology,
        compression_method: CompressionMethod,
    },
}
Expand description

Variational ansatz types

Variants§

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HardwareEfficient

Hardware-efficient ansatz with parameterized gates

Fields

§layers: usize
§entangling_gates: Vec<InterfaceGateType>
§rotation_gates: Vec<InterfaceGateType>
§

UCCSD

Unitary Coupled Cluster Singles and Doubles (UCCSD)

Fields

§num_electrons: usize
§num_orbitals: usize
§include_triples: bool
§

QAOA

Quantum Alternating Operator Ansatz (QAOA)

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§problem_hamiltonian: ProblemHamiltonian
§mixer_hamiltonian: MixerHamiltonian
§layers: usize
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Adaptive

Adaptive ansatz that grows during optimization

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§max_layers: usize
§growth_criterion: GrowthCriterion
§operator_pool: Vec<InterfaceGate>
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QuantumNeuralNetwork

Neural network-inspired quantum circuits

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§hidden_layers: Vec<usize>
§activation_type: QuantumActivation
§connectivity: NetworkConnectivity
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TensorNetworkAnsatz

Tensor network-inspired ansatz

Fields

§bond_dimension: usize
§network_topology: TensorTopology
§compression_method: CompressionMethod

Trait Implementations§

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impl Clone for VariationalAnsatz

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fn clone(&self) -> VariationalAnsatz

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for VariationalAnsatz

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for VariationalAnsatz

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for VariationalAnsatz

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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