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Granular gases under resetting.

Anna S Bodrova1, Aleksei V Chechkin2,3,4, Awadhesh Kumar Dubey5

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This summary is machine-generated.

Granular gases cool down between resetting events, with temperature returning to its initial value after each reset. This study models granular gas cooling using theory and simulations under exponential resetting.

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Area of Science:

  • Physics
  • Granular dynamics
  • Statistical mechanics

Background:

  • Granular gases exhibit unique behaviors due to inelastic collisions.
  • Understanding granular gas dynamics is crucial for various applications.
  • Resetting phenomena introduce complex temporal dynamics.

Purpose of the Study:

  • To investigate granular temperatures in force-free granular gases under exponential resetting.
  • To analyze the cooling dynamics and temperature distribution.
  • To provide a theoretical framework for nonperiodically driven granular systems.

Main Methods:

  • Development of a theoretical model for granular gas cooling.
  • Conducting computer simulations to validate the theory.
  • Analyzing the probability density function of granular temperatures.

Main Results:

  • Granular temperature resets to its initial value after each event.
  • Temperature decreases due to inelastic collisions between resets.
  • The probability density function quantifies temperature distribution.

Conclusions:

  • The developed theory accurately describes granular gas cooling under resetting.
  • This work enhances understanding of nonperiodically driven granular systems.
  • The findings have implications for controlling granular gas behavior.