openfermion.transforms.fourier_transform
Apply Fourier transform to change hamiltonian in plane wave basis.
openfermion.transforms.fourier_transform(
hamiltonian, grid, spinless
)
Used in the notebooks
\[
c^\dagger_v = \sqrt{1/N} \sum_m {a^\dagger_m \exp(-i k_v r_m)}
c_v = \sqrt{1/N} \sum_m {a_m \exp(i k_v r_m)}
\]
Args |
hamiltonian
|
FermionOperator
The hamiltonian in plane wave basis.
|
grid
|
Grid
The discretization to use.
|
spinless
|
bool
Whether to use the spinless model or not.
|
Returns |
FermionOperator
|
The fourier-transformed hamiltonian.
|
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Last updated 2024-04-26 UTC.
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{"lastModified": "Last updated 2024-04-26 UTC."}