Experimental observation of single-file diffusion of Brownian particles

Kurzanzeige
dc.contributor.authorWei, Qi-Huodeu
dc.contributor.authorBechinger, Clemens
dc.contributor.authorLeiderer, Paul
dc.date.accessioned2011-03-24T14:49:22Zdeu
dc.date.available2011-03-24T14:49:22Zdeu
dc.date.issued1999deu
dc.description.abstractThe self-diffusion of particles restricted to one-dimensional channels is termed single-file diffusion if individual particles are unable to pass each other. We employ the interference pattern of two coherent laser beams to confine electrically charged polystyrene colloids in parallel "optical channels" formed by light forces arid study the particle diffusion within these channels by optical microscopy. For small channel spacings the particles can electrically couple between adjacent channels and their mean square displacement along these channels at long observation times t is proportional to t. For large channel spacings, however, where the coupling of particles is largely reduced, we find the mean square displacement to be proportional to t0,5, which signifies the occurrence of single-file diffusion.eng
dc.description.versionpublished
dc.format.mimetypeapplication/pdfdeu
dc.identifier.citationFirst publ. in: Progress in Colloid and Polymer Science 112 (1999), pp. 227-230deu
dc.identifier.doi10.1007/3-540-48953-3_45
dc.identifier.ppn265075386deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/4662
dc.language.isoengdeu
dc.legacy.dateIssued2007deu
dc.rightsAttribution-NonCommercial-NoDerivs 2.0 Generic
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.0/
dc.subjectSingle file diffusiondeu
dc.subjectBrownian particlesdeu
dc.subjectColloidsdeu
dc.subjectLight forcesdeu
dc.subject.ddc530deu
dc.titleExperimental observation of single-file diffusion of Brownian particleseng
dc.typeJOURNAL_ARTICLEdeu
dspace.entity.typePublication
kops.citation.bibtex
@article{Wei1999Exper-4662,
  year={1999},
  doi={10.1007/3-540-48953-3_45},
  title={Experimental observation of single-file diffusion of Brownian particles},
  volume={112},
  journal={Progress in Colloid and Polymer Science},
  pages={227--230},
  author={Wei, Qi-Huo and Bechinger, Clemens and Leiderer, Paul}
}
kops.citation.iso690WEI, Qi-Huo, Clemens BECHINGER, Paul LEIDERER, 1999. Experimental observation of single-file diffusion of Brownian particles. In: Progress in Colloid and Polymer Science. 1999, 112, pp. 227-230. Available under: doi: 10.1007/3-540-48953-3_45deu
kops.citation.iso690WEI, Qi-Huo, Clemens BECHINGER, Paul LEIDERER, 1999. Experimental observation of single-file diffusion of Brownian particles. In: Progress in Colloid and Polymer Science. 1999, 112, pp. 227-230. Available under: doi: 10.1007/3-540-48953-3_45eng
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