Aharonov-Bohm effect in bilayer graphene

作者：Park Chang Soo^*

来源：Physics Letters A, 2017, 381(21): 1831-1836.

DOI：10.1016/j.physleta.2017.03.043

• Aharonov-Bohm effect
• Trigonal warping
• Bilayer graphene

We investigate Aharonov-Bohm effect in bilayer graphene. We consider a setup of n-p(n')-n junction with Aharonov-Bohm loop connected in the transmission region. In the presence of trigonal warping we show that, due to the anisotropic dispersion of eigenspectrum, the Aharonov-Bohm interference depends on the geometry of junction: it exists for armchair interface but vanishes for zigzag interface. For the armchair interface, it is demonstrated that the period of Aharonov-Bohm oscillation is Phi(0) = h/e and the amplitude of oscillation can be varied with incident energy and the barrier height of the junction.

• 出版日期2017-6-9