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Heat fluctuations in the logarithm-harmonic potential

Author

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  • Paraguassú, Pedro V.
  • Morgado, Welles A.M.

Abstract

Thermodynamic quantities, like heat, entropy, or work, are random variables, in stochastic systems. Here, we investigate the statistics of the heat exchanged by a Brownian particle subjected to a logarithm-harmonic potential. We derive analytically the characteristic function and its moments for the heat. Through numerical integration, and numerical simulation, we calculate the probability distribution as well, characterizing fully the statistical behavior of the heat. The results are also investigated in the asymptotic limit, where we encounter the characteristic function in terms of hypergeometric functions.

Suggested Citation

  • Paraguassú, Pedro V. & Morgado, Welles A.M., 2022. "Heat fluctuations in the logarithm-harmonic potential," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 588(C).
    • Handle: RePEc:eee:phsmap:v:588:y:2022:i:c:s0378437121008499
    DOI: 10.1016/j.physa.2021.126576
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