Accelerated convergence in exact-diagonalization studies
نویسندگان
چکیده
منابع مشابه
Accelerated convergence in exact-diagonalization studies.
A simple method is proposed and tested for obtaining accelerated convergence of quantum systems on small lattices with N sites. The main idea is to perform exact diagonalizations with some added irrelevant parameter, and use this parameter to accelerate the convergence to the infinitelattice limit. In this paper di8'erent boundary conditions are used to improve the convergence for the Heisenber...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 1993
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.48.6255