# sphten2zeeman.m

Basis set conversion from irreducible spherical tensors into Zeeman basis.

## Contents

## Syntax

P=sphten2zeeman(spin_system)

## Description

Returns a matrix that converts state vectors written in the spherical tensor basis set used by Spinach into state vectors written in the Zeeman basis set in Liouville space.

## Outputs

P - projector matrix that is to be used in the fol- lowing way: rho_zeeman=P*rho_sphten

## Notes

The matrix need not be square and may be huge.

## See also

*Version 2.1, authors: Ilya Kuprov*