Quasi-sparse eigenvector diagonalization and stochastic error correction

Details Quasi-sparse eigenvector diagonalization and stochastic error correction Quasi-sparse eigenvector diagonalization and stochastic error correction

2000-08-30

arxiv.org/abs/cond-mat/0008457v1

Nucl.Phys.Proc.Suppl. 90 (2000) 199-201

Physics

Condensed Matter

5 pages, to appear in the proceedings of the International Light-Cone Meeting on Non-Perturbative QCD and Hadron Phenomenology

Scientific paper

10.1016/S0920-5632(00)00913-0

We briefly review the diagonalization of quantum Hamiltonians using the
quasi-sparse eigenvector (QSE) method. We also introduce the technique of
stochastic error correction, which systematically removes the truncation error
of the QSE result by stochastically sampling the contribution of the remaining
basis states.

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