Coulomb drag induced non-local resistance in double graphene layers

Edvin G. Idrisov; Adnan Younis; Zaur Z. Alisultanov

doi:10.1038/s41598-024-75682-w

Coulomb drag induced non-local resistance in double graphene layers

Edvin G. Idrisov, Adnan Younis, Zaur Z. Alisultanov

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We study the effect of Coulomb drag between graphene layers in presence of viscosity term. To do this, we use the simple model of Stokes equations for drift velocities in active and passive layers, known as Pogrebinskii’s approach. The solution to these equations allows us to find the potential distribution, and thus the non-local drag resistance of passive layer. It is shown that in viscous regime the non-local resistance may take negative values, in contrast, the ohmic regime results in positive non-local resistance for all drag strengths. Additionally, we discuss the influence of magnetic field on the non-local drag magnetoresistance.

Original language	English
Article number	24590
Journal	Scientific reports
Volume	14
Issue number	1
DOIs	https://doi.org/10.1038/s41598-024-75682-w
Publication status	Published - Dec 2024

Keywords

Coulomb drag
Electron hydrodynamics
Non-local resistance
Viscous transport

ASJC Scopus subject areas

General

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10.1038/s41598-024-75682-w

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abstract = "We study the effect of Coulomb drag between graphene layers in presence of viscosity term. To do this, we use the simple model of Stokes equations for drift velocities in active and passive layers, known as Pogrebinskii{\textquoteright}s approach. The solution to these equations allows us to find the potential distribution, and thus the non-local drag resistance of passive layer. It is shown that in viscous regime the non-local resistance may take negative values, in contrast, the ohmic regime results in positive non-local resistance for all drag strengths. Additionally, we discuss the influence of magnetic field on the non-local drag magnetoresistance.",

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AU - Younis, Adnan

AU - Alisultanov, Zaur Z.

N1 - Publisher Copyright: © The Author(s) 2024.

PY - 2024/12

Y1 - 2024/12

N2 - We study the effect of Coulomb drag between graphene layers in presence of viscosity term. To do this, we use the simple model of Stokes equations for drift velocities in active and passive layers, known as Pogrebinskii’s approach. The solution to these equations allows us to find the potential distribution, and thus the non-local drag resistance of passive layer. It is shown that in viscous regime the non-local resistance may take negative values, in contrast, the ohmic regime results in positive non-local resistance for all drag strengths. Additionally, we discuss the influence of magnetic field on the non-local drag magnetoresistance.

AB - We study the effect of Coulomb drag between graphene layers in presence of viscosity term. To do this, we use the simple model of Stokes equations for drift velocities in active and passive layers, known as Pogrebinskii’s approach. The solution to these equations allows us to find the potential distribution, and thus the non-local drag resistance of passive layer. It is shown that in viscous regime the non-local resistance may take negative values, in contrast, the ohmic regime results in positive non-local resistance for all drag strengths. Additionally, we discuss the influence of magnetic field on the non-local drag magnetoresistance.

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KW - Electron hydrodynamics

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KW - Viscous transport

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Coulomb drag induced non-local resistance in double graphene layers

Abstract

Keywords

ASJC Scopus subject areas

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