Volume 17, Number 1 ((Iranian Journal of Physics Research,spring 2017)                   IJPR 2017, 17(1): 139-143 | Back to browse issues page



DOI: 10.18869/acadpub.ijpr.17.1.139

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Moomivand E, Abdollahipour B, Mohammadkhani R. Adiabatic pumping current in a graphene based normal-insulator-superconductor junction with Corbino disk structure. IJPR. 2017; 17 (1) :139-143
URL: http://ijpr.iut.ac.ir/article-1-2032-en.html

University of Tabriz , babak.abdollahi@gmail.com
Abstract:   (1274 Views)

We investigate adiabatic pumping current in a graphene based normal-insulator-superconductor (NIS) junction with Corbino disk structure. The adiabatic pumping current is generated by two electrostatic potentials, oscillating periodically and out of phase, applied to the insulating and superconducting regions. Using the extended Brouwer’s formula for the adiabatic pumping current, which is based on the scattering theory, the pumping current is obtained. The results of this calculation show the pumped current oscillates as a function of the barrier strength and it has maximums at resonances with a π/2 phase shift in comparison to the planar NIS junction.

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Type of Study: Research | Subject: general

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