Cited by 122Theoretical and Computational PhysicsStatistical Mechanics and EntropyAdvanced Thermodynamics and Statistical Mechanics

Relating Fisher information to order parameters.

Prokopenko, Mikhail, Lizier, Joseph T., Obst, Oliver, Wang, X. Rosalind·2011·Physical Review E

Abstract

We study phase transitions and relevant order parameters via statistical estimation theory using the Fisher information matrix. The assumptions that we make limit our analysis to order parameters representable as a negative derivative of thermodynamic potential over some thermodynamic variable. Nevertheless, the resulting representation is sufficiently general and explicitly relates elements of the Fisher information matrix to the rate of change in the corresponding order parameters. The obtained relationships allow us to identify, in particular, second-order phase transitions via divergences of individual elements of the Fisher information matrix. A computational study of random Boolean networks supports the derived relationships, illustrating that Fisher information of the magnetization bias (that is, activity level) is peaked in finite-size networks at the critical points, and the maxima increase with the network size. The framework presented here reveals the basic thermodynamic reasons behind similar empirical observations reported previously. The study highlights the generality of Fisher information as a measure that can be applied to a broad range of systems, particularly those where the determination of order parameters is cumbersome.

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Crossref · 10.1103/physreve.84.041116

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Authors
Prokopenko, M., Lizier, J. T., Obst, O., & Wang, X. R.
Affiliations
  • Commonwealth Scientific and Industrial Research Organisation (AU)
  • Max Planck Institute for Mathematics in the Sciences (DE)
Venue
Physical Review E
Published
2011-10-13
Volume
84
Issue
4
Pages
041116-041116
ISSN
  • 1539-3755 (ISSN-L)
  • 1550-2376
OpenAlex
W1971124708
Cited by
122
References
34
Citations by year
2026: 10 · 2025: 4 · 2024: 4 · 2023: 3 · 2022: 8 · 2021: 9 · 2020: 8 · 2019: 6 · 2018: 15 · 2017: 16 · 2016: 7 · 2015: 3 · 2014: 14 · 2013: 12 · 2012: 3
FWCI
6.92
Type
journal article
Language
en
Open access
closed
Locations
  • Physical Review E (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Theoretical and Computational Physics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Statistical Mechanics and Entropy
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Advanced Thermodynamics and Statistical Mechanics
Keywords
Fisher information matrix, order parameter, phase transitions, second-order phase transition, critical points, random Boolean networks, thermodynamic potential, finite-size scaling, critical phenomena

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