Power-law dependence of the angular momentum transition fields in few-electron quantum dots

Details Power-law dependence of the angular momentum transition fields in few-electron quantum dots Power-law dependence of the angular momentum transition fields in few-electron quantum dots

2004-08-31

arxiv.org/abs/cond-mat/0408676v1

Phys. Rev. B 69, 075305 (2004)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Uses RevTeX4, 6 figures included in the text

Scientific paper

10.1103/PhysRevB.69.075305

We show that the critical magnetic fields at which a few-electron quantum dot undergoes transitions between successive values of its angular momentum (M), for large M values follow a very simple power-law dependence on the effective inter-electron interaction strength. We obtain this power law analytically from a quasi-classical treatment and demonstrate its nearly-universal validity by comparison with the results of exact diagonalization.

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