scqubits.core.operators.sin_theta_harmonic¶

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

Operator matrix for sin(prefactor(a+a^dag)) 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^dag) as ndarray, size dimension x dimension