Yb171_P25_LowN

class rydstate.species.ytterbium.yb171_mqdt_fmodel_data.Yb171_P25_LowN(mqdt)[source]

species: ClassVar[str] = 'Yb171': The species for which the MQDT model is defined.

name: ClassVar[str] = 'P F=5/2, 5 < nu < 20': The name of the atomic species.

f_tot: ClassVar[float] = 2.5: Total angular momentum f_tot of the Rydberg state.

nu_range: ClassVar[tuple[float, float]] = (5.0, 20.0): Range of effective principal quantum numbers nu for which the MQDT model is valid.

reference: ClassVar[str | tuple[str, ...] | None] = 'fit to Yb174 Phys. Rev. X 15, 011009 (2025)': Reference for the MQDT model, e.g., a publication doi where the model is described.

inner_channels: ClassVar[list[AngularKetBase[Any]]] = [AngularKetLS(i_c=0.5, s_c=0.5, l_c=0, s_r=0.5, l_r=1, s_tot=1.0, l_tot=1, j_tot=2.0, f_tot=2.5), AngularKetFJ(i_c=0.5, s_c=0.5, l_c=Unknown, s_r=0.5, l_r=Unknown, j_c=Unknown, f_c=Unknown, j_r=Unknown, f_tot=2.5, label=4f13 5d 6snl a), AngularKetFJ(i_c=0.5, s_c=0.5, l_c=Unknown, s_r=0.5, l_r=Unknown, j_c=Unknown, f_c=Unknown, j_r=Unknown, f_tot=2.5, label=4f13 5d 6snl b), AngularKetFJ(i_c=0.5, s_c=0.5, l_c=Unknown, s_r=0.5, l_r=Unknown, j_c=Unknown, f_c=Unknown, j_r=Unknown, f_tot=2.5, label=4f13 5d 6snl c)]: List of inner channels in the MQDT model.

outer_channels: ClassVar[list[AngularKetFJ[Any]]] = [AngularKetFJ(i_c=0.5, s_c=0.5, l_c=0, s_r=0.5, l_r=1, j_c=0.5, f_c=1.0, j_r=1.5, f_tot=2.5), AngularKetFJ(i_c=0.5, s_c=0.5, l_c=Unknown, s_r=0.5, l_r=Unknown, j_c=Unknown, f_c=Unknown, j_r=Unknown, f_tot=2.5, label=4f13 5d 6snl a), AngularKetFJ(i_c=0.5, s_c=0.5, l_c=Unknown, s_r=0.5, l_r=Unknown, j_c=Unknown, f_c=Unknown, j_r=Unknown, f_tot=2.5, label=4f13 5d 6snl b), AngularKetFJ(i_c=0.5, s_c=0.5, l_c=Unknown, s_r=0.5, l_r=Unknown, j_c=Unknown, f_c=Unknown, j_r=Unknown, f_tot=2.5, label=4f13 5d 6snl c)]: List of outer channels in the MQDT model.

eigen_quantum_defects: ClassVar[list[tuple[float, ...] | list[float] | float]] = [[0.925121305, -2.73247165, 74.664989], [0.230133261, 0, 0], [0.209638118, 0, 0], [0.186228192, 0, 0]]: List of eigen quantum defects for the close-coupling channels. Each entry can be a constant or a list of polynomial coefficients.

mixing_angles: ClassVar[list[tuple[int, int, tuple[float, ...] | list[float] | float]]] = [(0, 1, 0.0706666127), (0, 2, 0.0232711158), (0, 3, -0.0292153659)]: List of mixing angles between close-coupling channels. Each entry is a tuple (i_idx, j_idx, params) where i_idx and j_idx are the indices of the involved channels and params are the parameters for the energy dependence of the angle (constant or polynomial coefficients).