Enum QuantumState 

pub enum QuantumState {
    Pure(Array1<Complex64>),
    Mixed(Array2<Complex64>),
}

Quantum state representation (pure or mixed)

Variants

Pure(Array1<Complex64>)

Pure state represented as state vector |ψ⟩

Mixed(Array2<Complex64>)

Mixed state represented as density matrix ρ

Implementations

impl QuantumState

pub fn pure(state_vector: Array1<Complex64>) -> Self

Create a pure state from a state vector

pub fn mixed(density_matrix: Array2<Complex64>) -> Self

Create a mixed state from a density matrix

pub fn computational_basis(dim: usize, index: usize) -> Self

Create a computational basis state |i⟩

pub fn maximally_mixed(dim: usize) -> Self

Create a maximally mixed state I/d

pub fn bell_state(index: usize) -> Self

Create a Bell state

pub fn ghz_state(n: usize) -> Self

Create a GHZ state for n qubits

pub fn w_state(n: usize) -> Self

Create a W state for n qubits

pub fn to_density_matrix(&self) -> Result<Array2<Complex64>, QuantumInfoError>

Convert to density matrix representation

pub fn dim(&self) -> usize

Get the dimension of the state

pub fn is_pure(&self) -> bool

Check if the state is pure

Trait Implementations

impl Clone for QuantumState

fn clone(&self) -> QuantumState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QuantumState

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

Formats the value using the given formatter.