10.57647/jtap.2026.2002.10

Rashba Coupling Assisted Negative Differential Conductance in Graphene Based Quantum Antidot Nano-Ribbon

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  • Kobra Hasanirokh*1,
  • Neda Shahabi1,
  • Arash Phirouznia2,
  1. Department of Physics, Azarbaijan Shahid Madani University, 53714-161, Tabriz, Iran
  2. Condensed Matter Computational Research Lab. Azarbaijan Shahid Madani University, 53714-161, Tabriz, Iran

Received: 2025-01-16

Revised: 2025-07-27

Accepted: 2025-12-17

Published in Issue 2026-04-30

Published Online: 2026-02-05

Copyright (c) 2026 Kobra Hasanirokh, Neda Shahabi, Arash Phirouznia (Author)

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

1.
Hasanirokh K, Shahabi N, Phirouznia A. Rashba Coupling Assisted Negative Differential Conductance in Graphene Based Quantum Antidot Nano-Ribbon. J Theor Appl phys. 2026 Apr. 30;20(2). Available from: https://oiccpress.com/jtap/article/view/18398
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Abstract

Characteristic quantum transport features of a graphene-based quantum antidot structure which has been considered between two semi-infinite zig-zag graphene leads is investigated theoretically. The RPA-Keldysh method has been employed to capture Colomb interaction between the carriers in the presence of the Rashba interaction. It has been realized that the Colomb interaction results in negative differential conductance (NDC) which significantly depends on the strength of the Rashba coupling.

Keywords

  • RPA-Keldysh approach;,
  • Rashba interaction;,
  • Quantum transport,
  • pintronics
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