A vertical diatomic artificial molecule in the intermediate coupling regime in a parallel and perpendicular magnetic field

Details A vertical diatomic artificial molecule in the intermediate coupling regime in a parallel and perpendicular magnetic field A vertical diatomic artificial molecule in the intermediate coupling regime in a parallel and perpendicular magnetic field

2002-07-09

arxiv.org/abs/cond-mat/0207242v1

Phys. Rev. B67 205311 (2003)

Physics

Condensed Matter

Typeset using Revtex, 13 pages and 8 Postscript figures

Scientific paper

10.1103/PhysRevB.67.205311

We present experimental results for the ground state electrochemical potentials of a few electron semiconductor artificial molecule made by vertically coupling two quantum dots, in the intermediate coupling regime, in perpendicular and parallel magnetic fields up to 5 T. We perform a quantitative analysis based on local-spin density functional theory. The agreement between theoretical and experimental results is good, and the phase transitions are well reproduced.

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