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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/124/01/0021-0028

    • Keywords

       

      Fick-Jacobs equation; entropic potental; Jarzynski equality; phase transition.

    • Abstract

       

      A Brownian particle in a confined space with varying cross-section, experiences an effective entropic potential in reduced dimension. We modulate the shape of the confinement and examine the nature of dynamical transition between two distinct thermalized entropic states corresponding to different shapes of the enclosure, using Jarzynski relation on the basis of work-distribution over non-equilibrium paths. Our analysis reveals that modulating the shape of the boundaries of the enclosure makes the resident Brownian particles feel an entropic phase transition.

    • Author Affiliations

       

      Moupriya Das1 Debasish Mondal1 Deb Shankar Ray1

      1. Department of Physical Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India

    • Dates

       
      Published
      January 2012

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