Module wigner_symbols::internal [−] [src]

Contents of this module are subject to change.

Structs

binomial	Calculate the binomial coefficient `C(n, k)`.
factorial	Calculate the factorial `n!`.
falling_factorial	Calculate the falling factorial, i.e. the product of the integers `[n, n - k)`.
get_3tjms	Get all possible arguments of the Wigner 3-j symbol that satisfy the selection rules up to a maximum of `j_max`.
get_6tjs	Get all possible arguments of the Wigner 6-j symbol that satisfy the selection rules up to a maximum of `j_max`.
get_9tjs	Get all possible arguments of the Wigner 9-j symbol that satisfy the selection rules up to a maximum of `j_max`.
get_bitriangular_tjs
get_tms	Get all projection quantum numbers that lie within the multiplet of `j`.
get_triangular_tjs
intersect_ranges
ordering_to_i32	Reinterpret ordering as a sign:
phase
sort2
sort3
tetrahedral_sum	Calculate the symbol in the paper by L. Wei that is enclosed in square brackets:
triangle_condition	Check `\|j1 − j2\| ≤ j3 ≤ j1 + j2` and `j1 + j2 + j3 ∈ ℤ`.
triangular_factor	Calculate the triangular factor:
triangular_factor_raw	Calculate `ja! jb! jc! / jd!`.
wigner_3jm_raw	Calculate the Wigner 3-jm symbol times `(−1) ^ (j1 − j2 − m3)`. The selection rules are not checked.
wigner_3jm_raw_c	Calculate the Wigner 3-jm symbol times `(−1) ^ (j1 − j2 − m3)`.
wigner_6j_raw	Calculate the Wigner 6-j symbol. The selection rules are not checked.
wigner_9j_raw	Calculate the Wigner 9-j symbol. The selection rules are not checked.