Exploring ultra-high-intensity wakefields in carbon nanotube arrays: An effective plasma-density approach

Author:

Bonatto A.1ORCID,Xia G.23ORCID,Apsimon O.23ORCID,Bontoiu C.34ORCID,Kukstas E.34ORCID,Rodin V.34ORCID,Yadav M.34ORCID,Welsch C. P.34ORCID,Resta-López J.5ORCID

Affiliation:

1. Graduate Program in Information Technology and Healthcare Management, and the Beam Physics Group, Federal University of Health Sciences of Porto Alegre 1 , Porto Alegre, RS, 90050-170, Brazil

2. Department of Physics and Astronomy, The University of Manchester 2 , Manchester M13 9PL, United Kingdom

3. The Cockcroft Institute, Sci-Tech Daresbury 3 , Warrington WA4 4AD, United Kingdom

4. Department of Physics, The University of Liverpool 4 , Liverpool L69 3BX, United Kingdom

5. ICMUV, Instituto de Ciencia de los Materiales, Universidad de Valencia 5 , 46071 Valencia, Spain

Abstract

Charged particle acceleration using solid-state nanostructures has attracted attention in recent years as a method of achieving ultra-high-gradient acceleration in the TV/m domain. More concretely, metallic hollow nanostructures could be suitable for particle acceleration through the excitation of wakefields by a laser or a high-intensity charged particle beam in a high-density solid-state plasma. For instance, due to their special channeling properties as well as optoelectronic and thermo-mechanical properties, carbon nanotubes could be an excellent medium for this purpose. This article investigates the feasibility of generating ultra-high-gradient acceleration using carbon nanotube arrays, modeled as solid-state plasmas in conventional particle-in-cell simulations performed in a two-dimensional axisymmetric (quasi-3D) geometry. The generation of beam-driven plasma wakefields depending on different parameters of the solid structure is discussed in detail. Furthermore, by adopting an effective plasma-density approach, existing analytical expressions, originally derived for homogeneous plasmas, can be used to describe wakefields driven in periodic non-uniform plasmas.

Funder

Generalitat Valenciana

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul

Publisher

AIP Publishing

Subject

Condensed Matter Physics

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