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Efficient description of strongly correlated electrons with mean-field cost

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K. Boguslawski, P. Tecmer, P.W. Ayers, P. Bultinck, S. De Baerdemacker, D. Van Neck
Physical Review B
89 (20), 201106
2014
A1

Abstract 

We present an efficient approach to the electron correlation problem that is well suited for strongly interacting many-body systems, but requires only mean-field-like computational cost. The performance of our approach is illustrated for one-dimensional Hubbard rings with different numbers of sites, and for the nonrelativistic quantum-chemical Hamiltonian exploring the symmetric dissociation of the H-50 hydrogen chain.

Open Access version available at UGent repository

DOI 

http://dx.doi.org/10.1103/PhysRevB.89.201106

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PDF icon 14_phys_rev_B_89,201106_Boguslawski.pdf

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