4.5 Article

Photon-assisted tunneling through a regular B-form single-stranded DNA with Majorana zero modes

Journal

PHYSICS LETTERS A
Volume 415, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.physleta.2021.127655

Keywords

Majorana zero mode; Photon-assisted tunneling; Single-stranded DNA

Funding

  1. National Natural Science Foundation of China [12004264]
  2. Natural Sci-ence Foundation of Hebei Province [A2019210124]
  3. Fundamental Research Funds for the Provincial Universities in Hebei Province [ZQK202005]

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The study uses nonequilibrium Green's function method to investigate transport properties through a regular B-form single-stranded DNA with Majorana zero modes in the presence of a microwave field. It is found that the photon-coupled Majorana zero mode acts as a series of channels, generating photon peaks in tunneling spectroscopy. Photon-assisted processes with Majorana zero mode can be regulated by gate voltage, providing a potential method for detecting non-zero energy Majorana zero modes in organic molecules.
Using nonequilibrium Green's function method, we investigate the transport properties through a regular B-form single-stranded DNA with Majorana zero modes in the presence of a microwave field. The photon-coupled Majorana zero mode acts as a series of channels in which Majorana zero mode can absorb (emit) photons. These channels present in the spectral function as a series of stripes, generating the corresponding photon peaks in the tunneling spectroscopy. The photon-assisted processes with Majorana zero mode can be regulated by gate voltage. This provides a method for detecting the existence of non-zero energy Majorana zero modes in organic molecule. (C) 2021 Elsevier B.V. All rights reserved.

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