We examine the behavior of a colloidal particle immersed in a viscoelastic bath undergoing stochastic resetting at a rate . Microscopic probes suspended in a viscoelastic environment do not follow the classical theory of Brownian motion. This is primarily because the memory from successive collisions between the medium particles and the probes does not necessarily decay instantly as opposed to the classical Langevin equation. To treat such a system, one needs to incorporate the memory effects into the Langevin equation. The resulting equation formulated by Kubo, known as the generalized Langevin equation (GLE), has been instrumental to describing the transport of particles in inhomogeneous or viscoelastic environments. The purpose of this work, henceforth, is to study the behavior of such a colloidal particle governed by the GLE under resetting dynamics. To this end, we extend the renewal formalism to compute the general expression for the position variance and the correlation function of the resetting particle driven by the environmental memory. These generic results are then illustrated for the prototypical example of the Jeffreys viscoelastic fluid model. In particular, we identify various timescales and intermittent plateaus in the transient phase before the system relaxes to the steady state; and further discuss the effect of resetting pertaining to these behaviors. Our results are supported by numerical simulations showing an excellent agreement.
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March 2025
Research Article|
March 14 2025
A resetting particle embedded in a viscoelastic bath
Special Collection:
Anomalous Diffusion and Fluctuations in Complex Systems and Networks
Arup Biswas
;
Arup Biswas
a)
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Validation, Writing – original draft, Writing – review & editing)
1
The Institute of Mathematical Sciences, CIT Campus
, Taramani, Chennai 600113, India
and Homi Bhabha National Institute, Training School Complex
, Anushakti Nagar, Mumbai 400094, India
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Johan L. A. Dubbeldam
;
Johan L. A. Dubbeldam
b)
(Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing)
2
Delft Institute of Applied Mathematics, Delft University of Technology
, 2628 CD Delft, The Netherlands
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Trifce Sandev
;
Trifce Sandev
c)
(Conceptualization, Formal analysis, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing)
3
Research Center for Computer Science and Information Technologies, Macedonian Academy of Sciences and Arts
, Bul. Krste Misirkov 2, 1000 Skopje, Macedonia
4
Institute of Physics, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University
, Arhimedova 3, 1000 Skopje, Macedonia
5
Department of Physics, Korea University
, Seoul 02841, South Korea
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Arnab Pal
Arnab Pal
d)
(Conceptualization, Formal analysis, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing)
1
The Institute of Mathematical Sciences, CIT Campus
, Taramani, Chennai 600113, India
and Homi Bhabha National Institute, Training School Complex
, Anushakti Nagar, Mumbai 400094, India
d)Author to whom correspondence should be addressed: [email protected]
Search for other works by this author on:
Arup Biswas
1,a)
Johan L. A. Dubbeldam
2,b)
Trifce Sandev
3,4,5,c)
Arnab Pal
1,d)
1
The Institute of Mathematical Sciences, CIT Campus
, Taramani, Chennai 600113, India
and Homi Bhabha National Institute, Training School Complex
, Anushakti Nagar, Mumbai 400094, India
2
Delft Institute of Applied Mathematics, Delft University of Technology
, 2628 CD Delft, The Netherlands
3
Research Center for Computer Science and Information Technologies, Macedonian Academy of Sciences and Arts
, Bul. Krste Misirkov 2, 1000 Skopje, Macedonia
4
Institute of Physics, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University
, Arhimedova 3, 1000 Skopje, Macedonia
5
Department of Physics, Korea University
, Seoul 02841, South Korea
d)Author to whom correspondence should be addressed: [email protected]
a)
Electronic mail: [email protected]
b)
Electronic mail: [email protected]
c)
Electronic mail: [email protected]
Chaos 35, 031102 (2025)
Article history
Received:
December 13 2024
Accepted:
February 14 2025
Citation
Arup Biswas, Johan L. A. Dubbeldam, Trifce Sandev, Arnab Pal; A resetting particle embedded in a viscoelastic bath. Chaos 1 March 2025; 35 (3): 031102. https://doi.org/10.1063/5.0253019
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