Stochastic resonance in colloidal systems

Babič, Dušan; Schmitt, C.; Poberaj, I.; Bechinger, Clemens

Stochastic resonance in colloidal systems

Dateien

Babic_0-412992.pdfGröße: 655.68 KBDownloads: 400

Datum

2004

Autor:innen

Babič, Dušan

Schmitt, C.

Poberaj, I.

Bechinger, Clemens

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Europhysics Letters (EPL). 2004, 67(2), pp. 158-164. ISSN 0295-5075. eISSN 1286-4854. Available under: doi: 10.1209/epl/i2004-10055-3

Zusammenfassung

We investigate the dynamical properties of a colloidal particle in a double-well potential which is periodically modulated in time. In case of the modulation corresponding to a tilt of the potential (asymmetric modulation), stochastic resonance is observed when the modulation frequency v_Ω matches one half of the Kramers frequency of the unperturbed potential. In contrast, when only the potential barrier height is modulated (symmetric modulation), no synchronization between the modulation and the particle dynamics is observed as demonstrated by the lack of a peak in the power spectrum at v_Ω

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

BABIČ, Dušan, C. SCHMITT, I. POBERAJ, Clemens BECHINGER, 2004. Stochastic resonance in colloidal systems. In: Europhysics Letters (EPL). 2004, 67(2), pp. 158-164. ISSN 0295-5075. eISSN 1286-4854. Available under: doi: 10.1209/epl/i2004-10055-3

BibTex

@article{Babic2004Stoch-39428,
  year={2004},
  doi={10.1209/epl/i2004-10055-3},
  title={Stochastic resonance in colloidal systems},
  number={2},
  volume={67},
  issn={0295-5075},
  journal={Europhysics Letters (EPL)},
  pages={158--164},
  author={Babič, Dušan and Schmitt, C. and Poberaj, I. and Bechinger, Clemens}
}

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