Name: V. Shtabovenko Date: 05/21/18-08:22:38 AM Z
Unfortunately, the PHI extension is currently broken and unmaintained.
The old examples required an extensive patching of FeynArts that is
not
feasible anymore. None of us is currently working in the field of
ChPT,
so I’m afraid that fixing PHI does not have a very high priority.
Cheers,
Vladyslav
Am 21.05.2018 um 14:03 schrieb Vanamali Shastry:
> I’ve been trying to run an example of Chiral perturbation theory
> calculation. The notebook is from the PHI examples website
> (http://www.feyncalc.org/phi/examples). The notebook is titled
> PiN.nb. Every time I run the notebook, the “InsertFields” command
> throws up an error the says
>
> loading generic model file $Failed
> Get: $Failed is not a string, SocketObject, InputStream[],
or OutputStream[].
> $Aborted
>
> I’ve tried changing “Nucleon[0,j1]” etc to
“Nucleon[0,{j1}]” etc. I’ve also tried removing
“Model->“Automatic”,GenericModel->“Automatic””.
> Please help!
>
> Specifications:
> Raspberry Pi B running Raspbian 8.0 (jessie)
> Mathematica v11.0.1.0
> FeynCalc v9.2.0
> FeynArts v3.9
> PHI v1.3
>