Buscar
Mostrando ítems 1-10 de 767
Configuration interaction wave functions: A seniority number approach
(American Institute of Physics, 2014-06)
This work deals with the configuration interaction method when an N-electron Hamiltonian is projected on Slater determinants which are classified according to their seniority number values. We study the spin features of ...
Hybrid Treatments Based on Determinant Seniority Numbers and Spatial Excitation Levels in the Configuration Interaction Framework
(Elsevier Academic Press Inc, 2018-01)
In this work we project the Hamiltonian of an N-electron system onto a set of N-electron determinants cataloged by their seniority numbers and their excitation levels with respect to a reference determinant. We show that, ...
A study of the compactness of wave functions based on Shannon entropy indices: a seniority number approach
(Springer, 2015-07)
This work reports the formulation of Shannon entropy indices in terms of seniority numbers of the Slater determinants expanding an N-electron wave function. Numerical determinations of those indices prove that they provide ...
A hybrid configuration interaction treatment based on seniority number and excitation schemes
(American Institute Of Physics, 2014-12)
We present a configuration interaction method in which the Hamiltonian of an N-electron system is projected on Slater determinants selected according to the seniority-number criterion along with the traditional excitation-based ...
O idoso na sociedade de Santa Maria
(Universidade Federal de Santa MariaBrasilUFSMCentro de Educação Física e Desportos, 2004-10-22)
This study had as objective understands the senior's insert in Santa Maria's society - RS and
your relationship with the work of NIEATI along the last 10 years of history. To compose
the picture of information it was ...
Seniority number in spin-adapted spaces and compactness of configuration interaction wave functions
(American Institute of Physics, 2013-08-23)
This work extends the concept of seniority number, which has been widely used for classifying N-electron Slater determinants, to wave functions of N electrons and spin S, as well as to N-electron spin-adapted Hilbert ...