openfermion.linalg.jw_number_restrict_state

Restrict a Jordan-Wigner encoded state to a given particle number

Main aliases

openfermion.linalg.jw_number_restrict_state(
    state, n_electrons, n_qubits=None
)

Args
`state`	`ndarray or sparse` Numpy vector in the space of n_qubits.
`n_electrons`	`int` Number of particles to restrict the state to
`n_qubits`	`int` Number of qubits defining the total state

Args

state

ndarray or sparse

Numpy vector in the space of n_qubits.

n_electrons

int

Number of particles to restrict the state to

n_qubits

int

Number of qubits defining the total state

Returns
`new_operator`	`ndarray or sparse` Numpy vector restricted to states with the same particle number. May not be normalized.

new_operator

ndarray or sparse

Numpy vector restricted to states with the same particle number. May not be normalized.

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Last updated 2025-02-12 UTC.