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Open Access research which pushes advances in bionanotechnology

Strathprints makes available scholarly Open Access content by researchers in the Strathclyde Institute of Pharmacy & Biomedical Sciences (SIPBS) , based within the Faculty of Science.

SIPBS is a major research centre in Scotland focusing on 'new medicines', 'better medicines' and 'better use of medicines'. This includes the exploration of nanoparticles and nanomedicines within the wider research agenda of bionanotechnology, in which the tools of nanotechnology are applied to solve biological problems. At SIPBS multidisciplinary approaches are also pursued to improve bioscience understanding of novel therapeutic targets with the aim of developing therapeutic interventions and the investigation, development and manufacture of drug substances and products.

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Kinetic simulation of electron injection by electrostatic waves

Dieckmann, M.E. and Eliasson, B. and Stathopoulos, A. and Ynnerman, A. (2004) Kinetic simulation of electron injection by electrostatic waves. Baltic Astronomy, 13 (2). pp. 284-288. ISSN 1392-0049

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Abstract

Radio-synchrotron emission is evidence for relativistic electrons at supernova remnant shocks. These electrons may have been accelerated by Fermi acceleration at perpendicular shocks which requires them to have initial energies above 100 keV. Such electrons cannot be found in the interstellar medium. Previous particle-in-cell (PIC) simulations have shown that the transport of electrons across a magnetic field by an electrostatic wave can, in principle, accelerate electrons to such energies. However, there it was also shown that the wave is unstable and that the resulting acceleration is shortlived. Here we compare results obtained from PIC with those from Vlasov simulations for identical plasma parameters. We show that the life-time of the wave in the Vlasov simulations substantially exceeds previous findings, in principle allowing for electron acceleration to relativistic speeds.