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Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

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Published on: November 21, 2019

Dynamical class of a two-dimensional plasmonic Dirac system.

Érica de Mello Silva¹

¹Instituto de Física, Universidade Federal de Mato Grosso, Av. Fernando Corrêa da Costa, 2367, Bloco F, Sala 209, 78060-900 Cuiabá, MT, Brazil.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|November 14, 2015

Summary

Researchers explored graphene plasmonics, finding that 2D Dirac systems share dynamical properties with electron gases and harmonic oscillators. This discovery aids in managing plasmon damping for future graphene devices.

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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

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Area of Science:

Plasmonics
Condensed Matter Physics
Materials Science

Background:

Graphene plasmonics face challenges due to surface plasmon damping, hindering device applications.
Understanding the dynamics of two-dimensional (2D) plasmonic systems is crucial for advancing graphene technology.

Purpose of the Study:

To investigate the dynamical class of 2D plasmonic Dirac systems.
To identify potential connections between graphene plasmonics and other physical systems.

Main Methods:

Utilized the recurrence relations method to analyze dynamical equivalence.
Derived relaxation and memory functions for density fluctuations in 2D plasmonic Dirac systems.

Main Results:

Demonstrated that 2D plasmonic Dirac systems belong to the same dynamical class as standard 2D electron gas.
Showed equivalence to a classical harmonic oscillator chain with an impurity mass at long wavelength and zero temperature.

Conclusions:

The recurrence relations method reveals deep connections between seemingly disparate physical systems.
Findings offer insights into managing plasmon dynamics in graphene for improved device performance.