"Default Noise Model in execute.py incorrectly uses depolarizing_error for amplitude_damping_error

[GIRISHBELANI]

# Add amplitude damping error to all single qubit gates with error rate 0.0%
#                         and to all two qubit gates with error rate 0.0%
amp_damp_one_qb_error = 0.0
amp_damp_two_qb_error = 0.0
noise.add_all_qubit_quantum_error(depolarizing_error(amp_damp_one_qb_error, 1), ['rx', 'ry', 'rz'])    #line number = 193
noise.add_all_qubit_quantum_error(depolarizing_error(amp_damp_two_qb_error, 2), ['cx'])                 #line number = 194

[rtvuser1]

Yes, that does not look right. Can you suggest a simple change that would fix this?

[GIRISHBELANI]

Instead of using depolarizing_error(), we can opt for amplitude_damping_error(). However, it only applies to single-qubit errors, as amplitude_damping_error() returns a quantum error channel specific to single-qubit generalized amplitude damping. Therefore, it cannot be directly applied to a two-qubit error model like amp_damp_two_qb_error.