Edge and bulk merons in double quantum dots with spontaneous interlayer phase coherence

Details Edge and bulk merons in double quantum dots with spontaneous interlayer phase coherence Edge and bulk merons in double quantum dots with spontaneous interlayer phase coherence

2006-09-22

arxiv.org/abs/cond-mat/0609567v1

Int. J. Mod. Phys. B 21, 1638 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures, Proceedings of 17th International Conference on High Magnetic Fields in Semiconductor Physics

Scientific paper

10.1142/S0217979207043348

We have investigated nucleation of merons in double quantum dots when a lateral distortion with a reflection symmetry is present in the confinement potential. We find that merons can nucleate both inside and at the edge of the dots. In addition to these merons, our results show that electron density modulations can be also present inside the dots. An edge meron appears to have approximately a half integer winding number.

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