\(\renewcommand\AA{\unicode{x212B}}\)
A bessel function with damped oscillation that could apply to incommensurate magnetic structures or spin density waves.
where,
\(A_0\) is the amplitude of asymmetry,
\(J_0(x)\) is the Bessel function of the first kind,
\(\lambda_\text{T}\) is the damping of the oscillation,
\(\lambda_\text{L}\) is the dynamic longitudinal spin relaxation rate,
\(B\) (G) is the B-field,
and \(\phi\) is the phase.
(Source code, png, hires.png, pdf)
| Name | Default | Description |
|---|---|---|
| A0 | 0.2 | Asymmetry |
| Phi | 0.0 | Phase (rad) |
| Field | 10.0 | B Field (G) |
| LambdaL | 0.1 | Dynamic longitudinal spin relaxation rate |
| LambdaT | 0.1 | Damping of the oscillation |
| FractionL | 0.1 | Fraction of longitudinal signal component |
[1] D.E. MacLaughlin, PRB 89 144419 (2014).
Categories: FitFunctions | Muon\MuonSpecific
Python: DampedBessel.py
