Classical and quantum magneto-oscillations of current flow near a p-n junction in graphene

Patel, Aavishkar A. and Davies, Nathan and Cheianov, Vadim and Falko, Vladimir (2012) Classical and quantum magneto-oscillations of current flow near a p-n junction in graphene. Physical review B, 86 (8). ISSN 1098-0121

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Abstract

The proposed semiclassical theory predicts two types of oscillations in the flow of current injected from a point source near a ballistic p-n junction in graphene in a strong magnetic field. One originates from the classical effect of bunching of cyclotron orbits of electrons passing back and forth across the p-n interface, which displays a pronounced dependence on the commensurability between the cyclotron radii in the n and p regions. The other effect is caused by the interference of monochromatic electron waves in p-n junctions with equal carrier densities on the two sides and it consists of magneto-oscillations in the current transmission through the interface with periodicity similar to Shubnikov-de Haas oscillations.

Item Type:
Journal Article
Journal or Publication Title:
Physical review B
Additional Information:
©2012 American Physical Society
Subjects:
ID Code:
63608
Deposited By:
Deposited On:
22 Apr 2013 10:04
Refereed?:
Yes
Published?:
Published
Last Modified:
02 Jul 2020 01:04