Diagonalisation of quantum observables on regular lattices and general graphs

Abstract
In the study of quantum mechanical systems, exact diagonalisation (ED) methods play an extremely important role. We have developed an ED code named DoQO (Diagonalisation of Quantum Observables). This code is capable of constructing and diagonalising the observables for spin 1 2 and spinless fermionic particles with many body interactions on arbitrary graphs using massively parallel distributed memory machines. At the same time, the code can exploit physical symmetries to reduce the size of th...

Title of program: DoQO
Catalogue Id: AEII_v1_0

Nature of problem
To calculate the low lying eigenvalues and eigenstates of quantum observables for spin 1/2 and spinless fermionic systems on arbitrary graphs efficiently in parallel.

Versions of this program held in the CPC repository in Mendeley Data
AEII_v1_0; DoQO; 10.1016/j.cpc.2010.12.051

This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2018)