Bridging the hydrodynamic Drude model and local transformation optics theory

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Bridging the hydrodynamic Drude model and local transformation optics theory. / Azinheira Alves, Ruben; Guerreiro, Ariel; Navarro-Cia, Miguel.

In: Physical Review B, Vol. 101, No. 23, 235412, 15.06.2020.

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@article{1ba78cd45915467d860b1f86c7ebc8c5,
title = "Bridging the hydrodynamic Drude model and local transformation optics theory",
abstract = "The recent ability of plasmonic nanostructures to probe sub-nanometer and even atomic scales demands theories that can account for the nonlocal dynamics of the electron gas. The hydrodynamic Drude model (HDM) captures much of the microscopic dynamics of the quantum mechanical effects when additional boundary conditions are considered. Here, we revisit the HDM under the Madelung formalism to re-express its coupled system of equations as a single non-linear Schroedinger equation in order to have a natural quantum mechanical description of plasmonics. Specifically, we study the response of two overlapping nanowires with this formalism. We ensure that the new frame concurs with classical electrodynamics when the local response approximation holds in the plasmonic system by finding the correction needed.",
keywords = "plasmonics, conformal transformation, hydrodynamic Drude model",
author = "{Azinheira Alves}, Ruben and Ariel Guerreiro and Miguel Navarro-Cia",
year = "2020",
month = jun,
day = "15",
doi = "10.1103/PhysRevB.101.235412",
language = "English",
volume = "101",
journal = "Physical Review B",
issn = "1098-0121",
publisher = "American Physical Society (APS)",
number = "23",

}

RIS

TY - JOUR

T1 - Bridging the hydrodynamic Drude model and local transformation optics theory

AU - Azinheira Alves, Ruben

AU - Guerreiro, Ariel

AU - Navarro-Cia, Miguel

PY - 2020/6/15

Y1 - 2020/6/15

N2 - The recent ability of plasmonic nanostructures to probe sub-nanometer and even atomic scales demands theories that can account for the nonlocal dynamics of the electron gas. The hydrodynamic Drude model (HDM) captures much of the microscopic dynamics of the quantum mechanical effects when additional boundary conditions are considered. Here, we revisit the HDM under the Madelung formalism to re-express its coupled system of equations as a single non-linear Schroedinger equation in order to have a natural quantum mechanical description of plasmonics. Specifically, we study the response of two overlapping nanowires with this formalism. We ensure that the new frame concurs with classical electrodynamics when the local response approximation holds in the plasmonic system by finding the correction needed.

AB - The recent ability of plasmonic nanostructures to probe sub-nanometer and even atomic scales demands theories that can account for the nonlocal dynamics of the electron gas. The hydrodynamic Drude model (HDM) captures much of the microscopic dynamics of the quantum mechanical effects when additional boundary conditions are considered. Here, we revisit the HDM under the Madelung formalism to re-express its coupled system of equations as a single non-linear Schroedinger equation in order to have a natural quantum mechanical description of plasmonics. Specifically, we study the response of two overlapping nanowires with this formalism. We ensure that the new frame concurs with classical electrodynamics when the local response approximation holds in the plasmonic system by finding the correction needed.

KW - plasmonics

KW - conformal transformation

KW - hydrodynamic Drude model

U2 - 10.1103/PhysRevB.101.235412

DO - 10.1103/PhysRevB.101.235412

M3 - Article

VL - 101

JO - Physical Review B

JF - Physical Review B

SN - 1098-0121

IS - 23

M1 - 235412

ER -