Work fluctuation and its optimal extraction with time dependent harmonic potential from a non-Markovian bath

Bo Xiao and Renfu Li

Physica A: Statistical Mechanics and its Applications, 2019, vol. 516, issue C, 161-171

Abstract: We study the optimal work extraction protocol for a Brownian particle described by generalized Langevin dynamics from a single reservoir with the aid of position measurement. The particle is confined in a time dependent harmonic potential. In the overdamped situation, we show that memory effects typically reduce the extracted work, and full information-work conversion can only be achieved by manipulating both the stiffness and center of the potential quasistatically. In the non-Markovian underdamped regime, we investigate the exponential tail of work distribution using the path integral formalism, memory effects on the characteristic work production is also revealed.

Keywords: Non-Markovian; Information-work conversion; Time dependent harmonic potential; Path integral (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:516:y:2019:i:c:p:161-171

DOI: 10.1016/j.physa.2018.10.020

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