Yb174_D2_HighN

class rydstate.species.ytterbium.yb174_mqdt_fmodel_data.Yb174_D2_HighN(mqdt)[source]
Parameters:

mqdt (MQDT)

species: ClassVar[str] = 'Yb174'

The species for which the MQDT model is defined.

name: ClassVar[str] = 'D J=2, nu > 5'

The name of the atomic species.

f_tot: ClassVar[float] = 2

Total angular momentum f_tot of the Rydberg state.

nu_range: ClassVar[tuple[float, float]] = (5.0, inf)

Range of effective principal quantum numbers nu for which the MQDT model is valid.

reference: ClassVar[str | tuple[str, ...] | None] = 'R. Kuroda et al., Phys. Rev. A 112, 042817 (2025), https://doi.org/10.1103/mzsv-rckx'

Reference for the MQDT model, e.g., a publication doi where the model is described.

inner_channels: ClassVar[list[AngularKetBase[Any]]] = [AngularKetLS(i_c=0.0, s_c=0.5, l_c=0, s_r=0.5, l_r=2, s_tot=0.0, l_tot=2, j_tot=2.0, f_tot=2.0), AngularKetLS(i_c=0.0, s_c=0.5, l_c=0, s_r=0.5, l_r=2, s_tot=1.0, l_tot=2, j_tot=2.0, f_tot=2.0), AngularKetFJ(i_c=0.0, 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=2.0, label=4f13 5d 6snl a), AngularKetFJ(i_c=0.0, 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=2.0, label=4f13 5d 6snl b), AngularKetLS(i_c=0.0, s_c=0.5, l_c=1, s_r=0.5, l_r=1, s_tot=0.0, l_tot=2, j_tot=2.0, f_tot=2.0)]

List of inner channels in the MQDT model.

outer_channels: ClassVar[list[AngularKetFJ[Any]]] = [AngularKetFJ(i_c=0.0, s_c=0.5, l_c=0, s_r=0.5, l_r=2, j_c=0.5, f_c=0.5, j_r=2.5, f_tot=2.0), AngularKetFJ(i_c=0.0, s_c=0.5, l_c=0, s_r=0.5, l_r=2, j_c=0.5, f_c=0.5, j_r=1.5, f_tot=2.0), AngularKetFJ(i_c=0.0, 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=2.0, label=4f13 5d 6snl a), AngularKetFJ(i_c=0.0, 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=2.0, label=4f13 5d 6snl b), AngularKetFJ(i_c=0.0, s_c=0.5, l_c=1, s_r=0.5, l_r=1, j_c=Unknown, f_c=Unknown, j_r=Unknown, f_tot=2.0, label=j_c and j_r unknown)]

List of outer channels in the MQDT model.

manual_frame_transformation_outer_inner: ClassVar[ndarray[tuple[Any, ...], dtype[Any]] | None] = array([[ 0.77459667,  0.63245553,  0.        ,  0.        ,  0.        ],        [-0.63245553,  0.77459667,  0.        ,  0.        ,  0.        ],        [ 0.        ,  0.        ,  1.        ,  0.        ,  0.        ],        [ 0.        ,  0.        ,  0.        ,  1.        ,  0.        ],        [ 0.        ,  0.        ,  0.        ,  0.        ,  1.        ]])

Optional manually specified frame transformation matrix Q mapping inner to outer channels. This is mainly needed for models with unknown quantum numbers, where the frame transformation cannot (yet) be computed from Wigner coefficients.

eigen_quantum_defects: ClassVar[list[tuple[float, ...] | list[float] | float]] = [[0.729513646, -0.0377841183], [0.752292223, 0.104072325], [0.19612036, 0], [0.233752026, 0], [0.152911249, 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, [0.21157531, -15.3844]), (0, 2, 0.00521559431), (0, 3, 0.0398131577), (1, 3, -0.0071658109), (0, 4, 0.10481227), (1, 4, 0.0721660042)]

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).