momentum¶
- momentum(mode)¶
Builds the dimensionless momentum (quadrature) operator of a single mode.
\[\hat{p} = \frac{i}{\sqrt{2}}\left(b^\dagger - b\right) \, .\]>>> from qiskit_bosons.operators.library import momentum >>> momentum(0).is_hermitian() True
- Parameters:
mode (int) – the mode index.
- Returns:
The momentum operator as a
BosonOperator.- Return type: