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Spontaneous collective transport in a heat-bath

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  • Sharma, Mayank
  • Bhattacharyay, A.

Abstract

We investigate emergence of spontaneous filtering of Brownian motion in higher dimensional space by many-body structures of symmetry broken dimers undergoing stochastic evolution through an Itô-process. Interacting dimer form structures, which eventually restrict rotational degrees of freedom of individual constituents, resulting in spontaneous emergence of collective transport. In this phenomenon, interaction and broken structural symmetry play cooperatively in emergence of collective transport out of thermal fluctuations. As a general phenomenon, spontaneous filtering of Brownian fluctuation might play an important role in the structural transition of complex molecules on top of what is known in terms of Kramers-rate process. This could also be a missing link to completely understand basics of bio-polymers’ folding transitions (protein folding) where structure might encode motion in phase space.

Suggested Citation

  • Sharma, Mayank & Bhattacharyay, A., 2023. "Spontaneous collective transport in a heat-bath," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 626(C).
    • Handle: RePEc:eee:phsmap:v:626:y:2023:i:c:s0378437123006374
    DOI: 10.1016/j.physa.2023.129082
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    References listed on IDEAS

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    1. H. Chaté & F. Ginelli & G. Grégoire & F. Peruani & F. Raynaud, 2008. "Modeling collective motion: variations on the Vicsek model," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 64(3), pages 451-456, August.
    2. Maniar, Rohan & Bhattacharyay, A., 2021. "Random walk model for coordinate-dependent diffusion in a force field," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 584(C).
    3. Bhattacharyay, A., 2012. "Directed transport in equilibrium: A model study," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(4), pages 1111-1119.
    4. Bhattacharyay, A., 2019. "Equilibrium of a Brownian particle with coordinate dependent diffusivity and damping: Generalized Boltzmann distribution," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 515(C), pages 665-670.
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