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Related Experiment Video

Updated: Jul 14, 2025

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
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Extrinsic vs Intrinsic Criticality in Systems with Many Components.

Vudtiwat Ngampruetikorn1, Ilya Nemenman2, David J Schwab1

  • 1Initiative for the Theoretical Sciences, The Graduate Center, CUNY, New York, New York 10016, USA.

Arxiv
|October 9, 2023
PubMed
Summary
This summary is machine-generated.

Biological systems exhibit criticality through intrinsic (fine-tuned) or extrinsic (un-tuned) mechanisms. Extrinsic criticality, driven by inference from unobserved variables, offers a more likely explanation for widespread critical behaviors in nature.

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Area of Science:

  • Complex Systems
  • Statistical Physics
  • Information Theory

Background:

  • Biological systems with many components often display critical behaviors, marked by large correlated fluctuations.
  • The precise causes of this widespread criticality remain incompletely understood.

Conclusions:

  • Fine-tuning is not the sole explanation for biological criticality; extrinsic criticality provides an alternative.
  • Extrinsic criticality arises from collective behavior adapting to external stimuli.
  • Observable Zipf's law can emerge without fine-tuning or external fluctuations in systems with global dynamics.