Magnetic Order Parameter¶
Description¶
A Magentic Order Parameter is defined as:
where
- the amplitude - the balance parameter - the critical exponent - the critical temperature
The CriticalTemp (
![magorder_plot.png](../../_images/magorder_plot.png)
Examples¶
This has been used for Muon precession frequencies when examining the magentic order in copper pyrazine dinitrate[1].
Properties (fitting parameters)¶
Name |
Default |
Description |
---|---|---|
A0 |
1.0 |
amplitude |
Alpha |
2.0 |
balance parameter |
Beta |
0.5 |
critical exponent |
CriticalTemp |
1.0 |
critical temperature |
References¶
[1] Lancaster, T., Blundell, S.J., Brooks, M.L., Baker, P.J., Pratt, F.L., Manson, J.L., Landee, C.P. and Baines, C. (2006) Magnetic order in the quasi-one-dimensional spin-1/2 molecular chain compound in copper pyrazine dinitrate, Phys. Rev. B, Vol 73 Issue 2, 020410 doi: 10.1103/PhysRevB.73.020410.
Categories: FitFunctions | Muon\MuonModelling\Magnetism
Source¶
C++ header: MagneticOrderParameter.h
C++ source: MagneticOrderParameter.cpp