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ALF (Algorithms for Lattice Fermions)

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  • Document quality:3 ★★★

A package for the auxiliary field Quantum Monte Carlo method, which enables us to calculate finite-temperature properties of the Hubbard-type model. It is also possible to treat the Hubbard model coupled to a transversed Ising field. Many examples such as Hubbard model on the square lattice and the honeycomb lattice are provided in the documentation.

Information
Last Update:2022/09/29

Official site

http://alf.physik.uni-wuerzburg.de/

License

GPL v3

Availability

Linux, Mac, Windows (compile is necessary)
Core Developers

F. F. Assaad, M. Bercx, F. Goth, A. Götz, J. S. Hofmann, E. Huffman, Z. Liu, F. Parisen Toldin, J. S. E. Portela, J. Schwab 

Target substance/model

Any model that can be written in terms of sums of single body operators, of squares of single body operators and single body operators coupled to an Ising-like field with given dynamics.
Physical quantities that can be computed

physical properties at finite temperatures such as
internal energy, spin correlations, etc ..
Methodology

Auxiliary-field quantum Monte Carlo
Parallelization

MPI parallelization
Related keywords
Document

Martin Bercx, Florian Goth, Johannes S. Hofmann, Fakher F. Assaad, SciPost Phys. 3, 013 (2017); arXiv:1704.00131.

F. F. Assaad, M. Bercx, F. Goth, A. Götz, J. S. Hofmann, E. Huffman, Z. Liu, F. Parisen Toldin, J. S. E. Portela, J. Schwab , SciPost Phys. Codebases 1 (2022) 
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