Screening properties of a two-component charge Bose gas
K K Lee
TL;DR
This paper investigates the screening properties and excitation spectrum of a two-component charge Bose gas, providing new insights into its dielectric response and plasmon excitations through theoretical analysis.
Contribution
It introduces the linear response and dielectric functions for a two-component charge Bose gas and confirms the plasmon spectrum using the Gross-Pitaevskii equations.
Findings
Derived the dielectric function for the two-component Bose gas
Confirmed plasmon excitation spectrum theoretically
Analyzed the linear response in the condensation phase
Abstract
The excitation spectrum of a two-component Bose-Einstein condensate has been discussed by Ref \cite{alex2comp} using the Bogoliubov equations. Here we make the additional contributions of the linear response function and dielectric function for a two-component CBG in the condensation phase as well as the confirmation of the plasmon excitation spectrum using the Gross-Pitaevskii (G-P) equations.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Quantum, superfluid, helium dynamics · Optical properties and cooling technologies in crystalline materials