Research Papers

Spin phases in disk- and ring-shaped quantum dots in a threading magnetic field

[+] Author Affiliations
Stefano Bellucci, Pasquale Onorato

Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati, P.O. Box 13, Frascati, 00044 Italy

J. Nanophoton. 4(1), 043508 (April 15, 2010). doi:10.1117/1.3425845
History: Received October 29, 2009; Revised March 30, 2010; Accepted April 6, 2010; April 15, 2010; Online April 15, 2010
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Abstract

We considered the confinement of Ne interacting electrons in a two-dimensional disk shaped quantum dot (QD) and a one-dimensional quantum ring (QR) when an external magnetic field B perpendicular to the device plane is applied. The energy spectra of low-lying states of the nanodevices as functions of B and Ne were obtained by using an Hartree Fock approximation. Phase diagrams in the interaction versus magnetic field plane indicate a rich variety of ground states.

© 2010 Society of Photo-Optical Instrumentation Engineers

Citation

Stefano Bellucci and Pasquale Onorato
"Spin phases in disk- and ring-shaped quantum dots in a threading magnetic field", J. Nanophoton. 4(1), 043508 (April 15, 2010). ; http://dx.doi.org/10.1117/1.3425845


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