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Area of Science:

  • Complex Systems
  • Nonlinear Dynamics
  • Statistical Mechanics

Background:

  • Multistable systems in nature exhibit diverse behaviors governed by energy landscapes.
  • External drives can significantly alter the stability of configurations in nonequilibrium systems.
  • Living systems demonstrate metastable nonequilibrium attractors dependent on energy flow patterns.

Purpose of the Study:

  • Investigate drive-specific selection in nonequilibrium dynamics.
  • Explore how external forcing patterns influence attractor states in multistable systems.
  • Understand the physical mechanisms behind energy absorption minimization.

Main Methods:

  • Numerically studied driven disordered mechanical networks of bistable springs.
  • Analyzed systems with numerous stable configurations arising from bistable elements.
  • Examined the relationship between forcing amplitude, pattern, and energy absorption.

Main Results:

  • Identified a range of forcing amplitudes enabling low energy absorption in attractor states.
  • Found that attractor states are fine-tuned to external forcing patterns.
  • Observed stabilization through matching orbit shape to potential energy well shape.

Conclusions:

  • Drive-specific selection is a general phenomenon in driven multistable systems.
  • Precise matching between system dynamics and external drive is crucial for stability.
  • Demonstrated experimental evidence and proposed a method for estimating selection ranges.