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Rigidity generation by nonthermal fluctuations

2015/09/09 by Raman Sheshka, Pierre Recho, Lev Truskinovsky · 15 citations
Biochemistry, Genetics and Molecular Biology · Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Artificial intelligence #Biological system #Biology #Cellular Mechanics and Interactions #Computer science #Control theory (sociology) #Physics #Quantum mechanics #Rigidity (electromagnetism) #Statistical physics #Stiffness #Thermodynamics #cond-mat.soft #physics.bio-ph #q-bio.SC #stochastic dynamics and bifurcation

paper · pdf · doi:10.1103/physreve.93.052604

published in Physical review. E 93(5), 052604 (American Physical Society)

arxiv created 2015/09/09 · openalex publication_date 2016/05/05 · arxiv updated 2016/05/11 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Active stabilization in systems with zero or negative stiffness is an essential element of a wide variety of biological processes. We study a prototypical example of this phenomenon and show how active rigidity, interpreted as a formation of a pseudowell in the effective energy landscape, can be generated in an overdamped stochastic system. We link the transition from negative to positive rigidity with time correlations in the additive noise, and we show that subtle differences in the out-of-equilibrium driving may compromise the emergence of a pseudowell.

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