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Spatial ordering of charge and spin in quasi one-dimensional Wigner molecules

B. Szafran·F. M. Peeters·S. Bednarek·T. Chwiej·J. Adamowski
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Abstract

ew-electron systems confined in quasi one-dimensional quantum dots are studied by the configuration interaction approach. We consider the parity symmetry of states forming Wigner molecules in large quantum dots and find that for the spin-polarized Wigner molecules it strictly depends on the number of electrons. We investigate the spatial spin-ordering in the inner coordinates of the quantum system and conclude that for small dots it has a short-range character and results mainly from the Pauli exclusion principle while the Wigner crystallization in large dots is accompanied by spin ordering over the entire length of the dot.

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B. Szafran, F. M. Peeters, S. Bednarek, T. Chwiej, J. Adamowski. 2004-05-16. Spatial ordering of charge and spin in quasi one-dimensional Wigner molecules. https://doi.org/10.1103/physrevb.70.035401

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