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The qft++ package was written (in C++) to numerically calculate quantum field
theory expressions. The API was designed such that the
code strongly resembles the hand-written expressions. I've written a paper on
it, here's a
link.
What does it do?
Classes are provided that perform matrix and tensor operations. These are used
as building blocks for field theory classes which handle
spinors, polarization vectors/tensors, Dirac matricies, etc. There are also
utility methods for calculating Clebsh-Gordon coefficients, Wigner D functions,
Regge propagators, etc. See Class List for
a complete list of classes.
OK, I don't do physics. What else does it do?
Good for you. This package makes heavy use of templates; thus, a number of
template utilities are provided. These include compile-time detection of
inheritance, parameter passing optimization, enabling/disabling of class
methods via argument type, etc.
Download
The software can be downloaded here.
Contact me if there are any problems.
Install
Once you've obtained the source code (see above), simply run make
in the qft++/src directory to build the library. Depending on how
you write your Makefiles, you may also want to include the qft++/lib
directory in your LD_LIBRARY_PATH enviornment variable.
If you also want to build the tutorials, simply run make in the
qft++/tutorials directory as well.
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