Difference between revisions of "Enlev2ist.m"
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[states,coeffs]=enlev2ist(mult,lvl_num,particle) | [states,coeffs]=enlev2ist(mult,lvl_num,particle) | ||
| − | == | + | ==Parameters== |
mult - multipicity of the spin in question, a | mult - multipicity of the spin in question, a | ||
Revision as of 18:48, 5 June 2026
Irreducible spherical tensor expansion of specific Zeeman energy level projectors.
Syntax
[states,coeffs]=enlev2ist(mult,lvl_num,particle)
Parameters
mult - multipicity of the spin in question, a
positive integer
lvl_num - energy level number, counting from the
bottom up for spins and from top down
for bosons
particle - particle type, 'S' for a spin and 'B'
for a boson
Outputs
states - states, in the Spinach IST basis index-
ing, that contribute to the operator in
question; use lin2lm to convert to L,M
spherical tensor indices
coeffs - coefficients with which the ISTs enter
the linear combination
Examples
See examples in the Spinach distribution relevant to this function.
Notes
This page was generated from the function header in the Spinach repository.
See also
Version 2.11, authors: Ilya Kuprov
