Wave packet revivals in a graphene quantum dot in a perpendicular magnetic field

Details Wave packet revivals in a graphene quantum dot in a perpendicular magnetic field Wave packet revivals in a graphene quantum dot in a perpendicular magnetic field

2010-09-24

arxiv.org/abs/1009.4836v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures, corrected typo, To appear in Phys. Rev. B

Scientific paper

We study the time-evolution of localized wavepackets in graphene quantum dots under a perpendicular magnetic field, focusing on the quasiclassical and revival periodicities, for different values of the magnetic field intensities in a theoretical framework. We have considered contributions of the two inequivalent points in the Brillouin zone. The revival time has been found as an observable that shows the break valley degeneracy.

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