The FermiFab Toolbox for Fermionic Many-Particle Quantum Systems

Details The FermiFab Toolbox for Fermionic Many-Particle Quantum Systems The FermiFab Toolbox for Fermionic Many-Particle Quantum Systems

2011-03-04

arxiv.org/abs/1103.0872v1

Physics

Quantum Physics

17 pages, 5 figures

Scientific paper

10.1016/j.cpc.2011.01.028

This paper introduces the FermiFab toolbox for many-particle quantum systems. It is mainly concerned with the representation of (symbolic) fermionic wavefunctions and the calculation of corresponding reduced density matrices (RDMs). The toolbox transparently handles the inherent antisymmetrization of wavefunctions and incorporates the creation/annihilation formalism. Thus, it aims at providing a solid base for a broad audience to use fermionic wavefunctions with the same ease as matrices in Matlab, say. Leveraging symbolic computation, the toolbox can greatly simply tedious pen-and-paper calculations for concrete quantum mechanical systems, and serves as "sandbox" for theoretical hypothesis testing. FermiFab (including full source code) is freely available as a plugin for both Matlab and Mathematica.

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