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Trust in crisis: A mean-field model of social dynamics
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DOI：10.1016/j.physa.2026.131803.png)
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Abstract
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• Trust modeled as birth–death process with population-dependent resets. • Mean-field limit yields multiple stable trust equilibria. • Non-linear feedback creates metastable high- and low-trust states. • WKB (large-deviation) analysis quantifies action barriers between regimes. • Switching time between states scales exponentially with population size.
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