Stochastic resonance in colloidal systems

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

doi:10.1209/epl/i2004-10055-3

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Stochastic resonance in colloidal systems

Publikationstyp:	Zeitschriftenartikel
Publikationsstatus:	Published
URI (zitierfähiger Link):	http://nbn-resolving.de/urn:nbn:de:bsz:352-0-412992
Autor/innen:	Babič, Dušan; Schmitt, C.; Poberaj, I.; Bechinger, Clemens
Erscheinungsjahr:	2004
Erschienen in:	Europhysics Letters (EPL) ; 67 (2004), 2. - S. 158-164. - ISSN 0295-5075. - eISSN 1286-4854
DOI (zitierfähiger Link):	https://dx.doi.org/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
Link zur Lizenz:	Nutzungsbedingungen

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

@article{Babic2004Stoch-39428, title={Stochastic resonance in colloidal systems}, year={2004}, doi={10.1209/epl/i2004-10055-3}, 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} }

Poberaj, I. Stochastic resonance in colloidal systems Babič, Dušan Poberaj, I. terms-of-use Schmitt, C. 2004 2017-06-27T13:46:07Z Bechinger, Clemens eng Schmitt, C. Babič, Dušan 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<sub>Ω</sub> 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<sub>Ω</sub> Bechinger, Clemens 2017-06-27T13:46:07Z