qiskit.chemistry.components.bosonic_bases.BosonicBasis
class BosonicBasis
Basis to express a second quantization Bosonic Hamiltonian.
__init__
__init__()
Initialize self. See help(type(self)) for accurate signature.
Methods
__init__() | Initialize self. |
convert([threshold]) | This prepares an array object representing a bosonic hamiltonian expressed in the harmonic basis. |
convert
convert(threshold=1e-06)
This prepares an array object representing a bosonic hamiltonian expressed in the harmonic basis. This object can directly be given to the BosonicOperator class to be mapped to a qubit hamiltonian.
Parameters
threshold (float) – the matrix elements of value below this threshold are discarded
Return type
List[List[Tuple[List[List[int]], float]]]
Returns
List of modes for input to creation of a bosonic hamiltonian in the harmonic basis
Raises
ValueError – If problem with order value from computed modes
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