openfermion.hamiltonians.sx_operator

Return the sx operator.

Main aliases

openfermion.hamiltonians.sx_operator(
    n_spatial_orbitals: int
) -> openfermion.ops.FermionOperator

\[ \begin{align} S^{x} = \frac{1}{2}\sum_{i = 1}^{n}(S^{+} + S^{-}) \end{align} \]

Args
`n_spatial_orbitals`	number of spatial orbitals (n_qubits // 2).

Returns
operator (FermionOperator): corresponding to the sx operator over n_spatial_orbitals.

Note
The indexing convention used is that even indices correspond to spin-up (alpha) modes and odd indices correspond to spin-down (beta) modes.

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Last updated 2022-10-26 UTC.

Args