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Topological Quantum Computing Quantum Simulation

Multiterminal Conductance of a Floquet Topological Insulator

arXiv
Authors: L. E. F. Foa Torres, P. M. Perez-Piskunow, C. A. Balseiro, G. Usaj

Year

2014

Paper ID

47644

Status

Preprint

Abstract Read

~2 min

Abstract Words

112

Citations

N/A

Abstract

We report on simulations of the dc conductance and quantum Hall response of a Floquet topological insulator using Floquet scattering theory. Our results reveal that laser-induced edge states in graphene lead to quantum Hall plateaus once imperfect matching with the non-illuminated leads is lessened. But the magnitude of the Hall plateaus is not directly related to the number and chirality of all the edge states at a given energy as usual. Instead, the plateaus are dominated only by those edge states adding to the dc density of states. Therefore, the dc quantum Hall conductance of a Floquet topological insulator is not directly linked to topological invariants of the full the Floquet bands.

Why This Paper Matters

  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
  • It adds a 2014 reference point for readers tracking recent quantum research.
  • We report on simulations of the dc conductance and quantum Hall response of a Floquet topological insulator using Floquet scattering theory.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1409.2482 [2] arXiv https://arxiv.org/abs/1409.2482 [3] Publisher https://arxiv.org/abs/1409.2482

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