Difference between revisions of "Ham2nqi.m"
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==See also== | ==See also== | ||
| − | [[Main_Page]] | + | * [[Spin_system_specification]] |
| + | * [[Kernel_utilities]] | ||
| + | * [[mat2ias.m]] | ||
| + | * [[sphten2mat.m]] | ||
| + | * [[mat2sphten.m]] | ||
| + | * [[Main_Page]] | ||
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''Version 2.11, authors: [[Ilya Kuprov]]'' | ''Version 2.11, authors: [[Ilya Kuprov]]'' | ||
Revision as of 21:20, 22 February 2026
Converts a single-spin Hamiltonian back into the Zeeman and quadrupolar interaction parameters that
Syntax
[omega,Q]=ham2nqi(H)
Arguments
H - single-spin Hamiltonian written in
the Zeeman basis for a spin of any
multiplicity
Outputs
omega - Larmor frequencies, rad/s
Q - symmetric traceless quadrupolar
coupling tensor, rad/s
The outputs are returned such that:
H = omega(1)*Sx + omega(2)*Sy + omega(3)*Sz +
+ [Sx Sy Sz]*Q*[Sx Sy Sz].';
An error is produced if the Hamilonian contains
any terms (for example, cubic) beyond those, or
if it is not Hermitian and traceless.
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
