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physics.comp-ph2021★ 1 cited
H2ZIXY: Pauli spin matrix decomposition of real symmetric matrices
Rocco Monteiro Nunes Pesce, Paul D. Stevenson
We present a code in Python3 which takes a square real symmetric matrix, of arbitrary size, and decomposes it as a tensor product of Pauli spin matrices. The application to the dec…
physics.comp-ph2003★ 16 cited
Automatic generation of vacuum amplitude many-body perturbation series
P. D. Stevenson
An algorithm and a computer program in Fortran 95 are presented which enumerate the Hugenholtz diagram representation of the many-body perturbation series for the ground state ener…