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Electronic structure and parity effects in correlated nanosystems
Author(s) -
Rycerz Adam,
Spałek Jozef
Publication year - 2006
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200562450
Subject(s) - parity (physics) , nanotechnology , materials science , physics , quantum mechanics
We discuss the spectral, transport and magnetic properties of quantum nanowires composed of N ≤ 13 atoms and containing either even or odd numbers of valence electrons. In our approach we combine E xact D iagonalization and Ab I nitio calculations (EDABI method). The analysis is performed as a function of the interatomic distance. The momentum distribution differs drastically for those obtained for even N with those for odd N , whereas the Drude weight evolve smoothly. A role of boundary conditions is stressed. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)