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Condensed Matter

arXiv:cond-mat/9606152 (cond-mat)
[Submitted on 21 Jun 1996]

Title:Origin of Magic Angular Momentum in a Quantum Dot under Strong Magnetic Field

Authors:Taku Seki, Yoshio Kuramoto, Tomotoshi Nishino (Department of Physics, Tohoku University)
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Abstract: This paper investigates origin of the extra stability associated with particular values (magic numbers) of the total angular momentum of electrons in a quantum dot under strong magnetic field. The ground-state energy, distribution functions of density and angular momentum, and pair correlation function are calculated in the strong field limit by numerical diagonalization of the system containing up to seven electrons. It is shown that the composite fermion picture explains the small magic numbers well, while a simple geometrical picture does better as the magic number increases. Combination of these two pictures leads to identification of all the magic numbers. Relation of the magic-number states to the Wigner crystal and the fractional quantum Hall state is discussed.
Comments: 12 pages, 9 Postscript figures, uses this http URL
Subjects: Condensed Matter (cond-mat)
Cite as: arXiv:cond-mat/9606152
  (or arXiv:cond-mat/9606152v1 for this version)
  https://doi.org/10.48550/arXiv.cond-mat/9606152
Related DOI: https://doi.org/10.1143/JPSJ.65.3945

Submission history

From: Yoshio Kuramoto [view email]
[v1] Fri, 21 Jun 1996 05:11:36 UTC (20 KB)
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