Plasmonic excitations in double-walled carbon nanotubes

Abstract

The interactions of charged particles moving paraxially in multi-walled carbon nanotubes (MWCNTs) may excite electromagnetic modes. This wake effect has recently been proposed as a potential novel method of short-wavelength high-gradient particle acceleration. In this work, the excitation of wakefields in double-walled carbon nanotubes (DWCNTs) is studied by means of the linearized hydrodynamic theory. General expressions have been derived for the excited longitudinal and transverse wakefields and related to the resonant wavenumbers which can be obtained from the dispersion relation. In the absence of friction, the stopping power of the wakefield driver, modelled here as a charged macroparticle, can be written solely as a function of these resonant wavenumbers. The dependencies of the wakefields on the radii of the DWCNT and the driving velocity have been studied. DWCNTs with inter-wall distances much smaller than the internal radius may be a potential option to obtain higher wakefields for particle acceleration compared to single-walled carbon nanotubes (SWCNTs).

arXiv commentarXiv admin note: text overlap with arXiv:2308.08399

References in corpus (7)

• High Performance In Vivo Near-IR (>1 μm) Imaging and Photothermal Cancer Therapy with Carbon Nanotubes
• Optical absorption and electron energy loss spectra of carbon and boron nitride nanotubes: a first principles approach
• Nanotube diameter optimal for channeling of high-energy particle beam
• Channeling of high energy beams in nanotubes
• Channeling of high-energy particles in a multi-wall nanotube
• Exploring ultra-high-intensity wakefields in carbon nanotube arrays: an effective plasma-density approach
• Excitation of wakefields in carbon nanotubes: a hydrodynamic model approach