Nonlinear instability and dynamics of polaritons in quantum systems

P K Shukla, B Eliasson

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We present analytical and simulation studies of the nonlinear instability and dynamics of an electron–hole/anti-electron (hereafter referred to as polaritons) system, which are common in ultra-small devices (semiconductors and micromechanical systems) as well as in dense astrophysical environments and the next generation intense laser–matter interaction experiments. Starting with three coupled nonlinear equations (two Schrödinger equations for interacting polaritons at quantum scales and the Poisson equation determining the electrostatic interactions and the associated charge separation effect), we demonstrate novel modulational instabilities and nonlinear polaritonic structures. It is suggested that the latter can transport information at quantum scales in high-density, ultracold quantum systems.
LanguageEnglish
Article number98
Number of pages9
JournalNew Journal of Physics
Volume9
Issue number4
DOIs
Publication statusPublished - 20 Apr 2007

Fingerprint

polaritons
polarization (charge separation)
Poisson equation
semiconductor devices
nonlinear equations
astrophysics
interactions
electrostatics
lasers
electrons
simulation

Keywords

  • quantum plasma
  • electrons
  • holes
  • polaritons
  • ultra-small devices
  • Schrödinger equations
  • Poisson equations
  • modulational instabilities
  • nonlinear polaritonic structures

Cite this

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title = "Nonlinear instability and dynamics of polaritons in quantum systems",
abstract = "We present analytical and simulation studies of the nonlinear instability and dynamics of an electron–hole/anti-electron (hereafter referred to as polaritons) system, which are common in ultra-small devices (semiconductors and micromechanical systems) as well as in dense astrophysical environments and the next generation intense laser–matter interaction experiments. Starting with three coupled nonlinear equations (two Schr{\"o}dinger equations for interacting polaritons at quantum scales and the Poisson equation determining the electrostatic interactions and the associated charge separation effect), we demonstrate novel modulational instabilities and nonlinear polaritonic structures. It is suggested that the latter can transport information at quantum scales in high-density, ultracold quantum systems.",
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Nonlinear instability and dynamics of polaritons in quantum systems. / Shukla, P K; Eliasson, B.

In: New Journal of Physics, Vol. 9, No. 4, 98, 20.04.2007.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Nonlinear instability and dynamics of polaritons in quantum systems

AU - Shukla, P K

AU - Eliasson, B

PY - 2007/4/20

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AB - We present analytical and simulation studies of the nonlinear instability and dynamics of an electron–hole/anti-electron (hereafter referred to as polaritons) system, which are common in ultra-small devices (semiconductors and micromechanical systems) as well as in dense astrophysical environments and the next generation intense laser–matter interaction experiments. Starting with three coupled nonlinear equations (two Schrödinger equations for interacting polaritons at quantum scales and the Poisson equation determining the electrostatic interactions and the associated charge separation effect), we demonstrate novel modulational instabilities and nonlinear polaritonic structures. It is suggested that the latter can transport information at quantum scales in high-density, ultracold quantum systems.

KW - quantum plasma

KW - electrons

KW - holes

KW - polaritons

KW - ultra-small devices

KW - Schrödinger equations

KW - Poisson equations

KW - modulational instabilities

KW - nonlinear polaritonic structures

U2 - 10.1088/1367-2630/9/4/098

DO - 10.1088/1367-2630/9/4/098

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