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Abstract:

In previous works (Abraham et al 2011 Plasmonics 6 435; Abraham Ekeroth and Lester 2012 Plasmonics 7 579; Abraham Ekeroth and Lester 2013 Plasmonics 8 1417; Abraham Ekeroth R M and Lester M 2015 Plasmonics 10 989-98), we have conducted an exhaustive study about optical properties of metallic realistic two-dimensional (2D) nanotubes, using an experimental-interpolated dielectric function (Palik 1985 Handbook of Optical Constants of Solids (Toronto: Academic Press)). In the case of non-homogeneous metallic shells, we suggested (in a theoretical form) a procedure to detect the non-uniformity of shells in parallel, disperse and randomly oriented long nanotubes (2D system). This detection is based exclusively on the plasmonic properties of the response (Abraham Ekeroth and Lester 2012 Plasmonics 7 579). Here we consider exact calculations of forces and torques, exerted by light on these kinds of nanostructures, illustrating the mechanical effects of plasmonic excitations with one example of silver shell under p-polarized incidence. This study continues with the methodology implemented in the previous paper (Abraham Ekeroth R M and Lester M 2015 Plasmonics 10 989-98), for homogeneous nanotubes. The features of the electromagnetic interaction in these structures, from the point of view of mechanical magnitudes, make it possible to conceive new possible interesting applications. Particularly, we point out some results regarding detection of eccentricity in nanotubes in vacuum (when Brownian movement is not taken into account). We interpret the optical response of the realistic shells in the framework of plasmon hybridization model (PHM), which is deduced from a quasi-static approximation. Our integral formalism provides for retardation effects and possible errors is only due to its numerical implementation. © 2015 IOP Publishing Ltd.

Registro:

Documento: Artículo
Título:Detection of eccentricity in silver nanotubes by means of induced optical forces and torques
Autor:Ekeroth, R.M.A.; Lester, M.F.
Filiación:Instituto de Física de Buenos Aires, Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón I, Buenos Aires, C1428EHA, Argentina
Grupo de Óptica de Sólidos-Elfo Centro, De Investigaciones en Física e Ingeniería, Del Centro de la Provincia de Buenos Aires, Instituto de Física Arroyo Seco, Facultad de Ciencias Exactas, Universidad Nacional Del Centro de la Provincia de Buenos Aires, Pinto 399, Buenos Aires, cp 7000, Argentina
Palabras clave:electromagnetic interaction; forces; inhomogeneous shells; nanotubes; plasmonics; torques; Brownian movement; Nanotubes; Optical properties; Shells (structures); Silver; Torque; Yarn; Electromagnetic interactions; forces; inhomogeneous shells; Numerical implementation; Plasmon hybridization; Plasmonics; Quasistatic approximations; Two Dimensional (2 D); Plasmons
Año:2015
Volumen:17
Número:10
DOI: http://dx.doi.org/10.1088/2040-8978/17/10/105002
Título revista:Journal of Optics (United Kingdom)
Título revista abreviado:J. Opt.
ISSN:20408978
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20408978_v17_n10_p_Ekeroth

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Citas:

---------- APA ----------
Ekeroth, R.M.A. & Lester, M.F. (2015) . Detection of eccentricity in silver nanotubes by means of induced optical forces and torques. Journal of Optics (United Kingdom), 17(10).
http://dx.doi.org/10.1088/2040-8978/17/10/105002
---------- CHICAGO ----------
Ekeroth, R.M.A., Lester, M.F. "Detection of eccentricity in silver nanotubes by means of induced optical forces and torques" . Journal of Optics (United Kingdom) 17, no. 10 (2015).
http://dx.doi.org/10.1088/2040-8978/17/10/105002
---------- MLA ----------
Ekeroth, R.M.A., Lester, M.F. "Detection of eccentricity in silver nanotubes by means of induced optical forces and torques" . Journal of Optics (United Kingdom), vol. 17, no. 10, 2015.
http://dx.doi.org/10.1088/2040-8978/17/10/105002
---------- VANCOUVER ----------
Ekeroth, R.M.A., Lester, M.F. Detection of eccentricity in silver nanotubes by means of induced optical forces and torques. J. Opt. 2015;17(10).
http://dx.doi.org/10.1088/2040-8978/17/10/105002