Hcpb.params_from_freq_fixEC

Hcpb.params_from_freq_fixEC(f01: float, Ec: float, **kwargs)

Find transmon Ej given a fixed EC and frequency.

Parameters:

• f01 (float) – Desired qubit frequency

• Ec (float) – Qubit EC (4ECn^2) in same units as f01

Returns:

Ej in same units

Return type:

float