Positron transport in molecular gases in crossed electric and magnetic fields

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dc.contributor.authorBankovic, A
dc.contributor.authorDujko, S
dc.contributor.authorWhite, Ronald Douglas
dc.contributor.authorMalovic, G.
dc.contributor.authorBuckman, Stephen
dc.contributor.authorPetrovic, Z Lj
dc.coverage.spatialMagnetic Island Australia
dc.date.accessioned2015-12-07T22:45:01Z
dc.date.createdAugust 1-6 2010
dc.date.issued2011
dc.date.updated2016-02-24T11:24:50Z
dc.description.abstractTransport properties of positron swarms drifting and diffusing in neutral gases under the influence of crossed electric and magnetic fields are investigated using a multi-term theory for solving the Boltzmann equation and Monte Carlo simulation technique. In the presence of magnetic fields the number of transport properties is increased compared to the situation when the positron swarm is acted on solely by an electric field. Since the longitudinal and transverse components of the drift velocity show different sensitivities with respect to the strength of the magnetic field, it is found that the negative differential conductivity effect in a crossed field configuration can be controlled through the variation of the magnetic field strengths. Various diffusion tensor elements also exhibit different sensitivities with respect to the magnetic field and also with respect to the positronium (Ps) formation process.
dc.identifier.urihttp://hdl.handle.net/1885/25449
dc.publisherInstitute of Physics Publishing
dc.relation.ispartofseriesInternational Workshop on Slow Positron Beam Techniques 2010 - SLOPOS12
dc.rightsAuthor/s retain copyrighten_AU
dc.sourceJournal of Physics: Conference Series
dc.source.urihttp://www.positron.edu.au/slopos12/papers.html
dc.subjectKeywords: Crossed electric and magnetic fields; Crossed fields; Diffusion tensor; Drift velocities; Magnetic field strengths; Molecular gas; Monte carlo simulation technique; Negative differential conductivities; Neutral gas; Positronium formation; Transverse compo
dc.titlePositron transport in molecular gases in crossed electric and magnetic fields
dc.typeConference paper
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.startpage5
local.contributor.affiliationBankovic, A, University of Belgrade
local.contributor.affiliationDujko, S, James Cook University
local.contributor.affiliationWhite, Ronald Douglas, James Cook University
local.contributor.affiliationMalovic, G., University of Belgrade
local.contributor.affiliationBuckman, Stephen, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationPetrovic, Z Lj, University of Belgrade
local.contributor.authoremailu8300485@anu.edu.au
local.contributor.authoruidBuckman, Stephen, u8300485
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.absfor020201 - Atomic and Molecular Physics
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciences
local.identifier.ariespublicationu4860843xPUB38
local.identifier.doi10.1088/1742-6596/262/1/012007
local.identifier.scopusID2-s2.0-79952157806
local.identifier.thomsonID000292990500007
local.identifier.uidSubmittedByu4860843
local.type.statusPublished Version

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