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  Distinguishing Majorana Zero Modes from Impurity States through Time-Resolved Transport

Tuovinen, R., Perfetto, E., van Leeuwen, R., Stefanucci, G., & Sentef, M. A. (2019). Distinguishing Majorana Zero Modes from Impurity States through Time-Resolved Transport.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-0DE2-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-0DE3-F
Genre: Paper

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1902.05821.pdf (Preprint), 820KB
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2019
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https://arxiv.org/abs/1902.05821 (Preprint)
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 Creators:
Tuovinen, R.1, Author              
Perfetto, E.2, 3, Author
van Leeuwen, R.4, Author
Stefanucci, G.3, 5, Author
Sentef, M. A.1, Author              
Affiliations:
1Theoretical Description of Pump-Probe Spectroscopies in Solids, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_3012828              
2CNR-ISM, Division of Ultrafast Processes in Materials (FLASHit), ou_persistent22              
3Dipartimento di Fisica, Università di Roma Tor Vergata, ou_persistent22              
4Department of Physics, Nanoscience Center, ou_persistent22              
5INFN, Sezione di Roma Tor Vergata, ou_persistent22              

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 Abstract: We study time-resolved charge transport in a superconducting nanowire using time-dependent Landauer-Büttiker theory. We find that the steady-state Majorana zero-bias conductance peak emerges transiently accompanied by characteristic oscillations after a bias-voltage quench. These oscillations are absent for a trivial impurity state that otherwise shows a very similar steady-state signal as the Majorana zero mode. Our results imply that time-resolved transport is an excellent way to distinguish topologically nontrivial boundary states from trivial ones.

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Language(s): eng - English
 Dates: 2019-02-152019-02-15
 Publication Status: Published online
 Pages: 14
 Publishing info: -
 Table of Contents: -
 Rev. Method: No review
 Identifiers: arXiv: 1902.05821
 Degree: -

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