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cond-mat.str-el2010
A numerical projection technique for large-scale eigenvalue problems
Ralf Gamillscheg, Gundolf Haase, Wolfgang von der Linden
We present a new numerical technique to solve large-scale eigenvalue problems. It is based on the projection technique, used in strongly correlated quantum many-body systems, where…
physics.comp-ph2010
Computation of ground-state properties of strongly correlated many-body systems by a two-subsystem ground-state approximation
Ralf Gamillscheg, Gundolf Haase, Wolfgang von der Linden
We present a new approach to compute low lying eigenvalues and corresponding eigenvectors for strongly correlated many-body systems. The method was inspired by the so-called Automa…