scqubits.core.operators.a_plus_adag

scqubits.core.operators.a_plus_adag(dimension, prefactor=None)[source]

Operator matrix for prefactor(\(a+a^\dagger\)) of size dimension x dimension in sparse matrix representation.

Parameters:
  • dimension (int) – matrix size

  • prefactor (Union[float, complex, None]) – prefactor multiplying the number operator matrix (if not given, this defaults to 1)

Return type:

ndarray

Returns:

prefactor * (\(a+a^\dagger\)) as ndarray, size dimension x dimension