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nlin.CD2026
Conformation dynamics in asymmetric chain-like three-body bead-spring models
Yuki Sogo, Yoshiyuki Y. Yamaguchi
We consider conformation dynamics of a chain-like three-body bead-spring model, in which three point masses are connected in series by two springs and the conformation is defined b…
nlin.AO2026
Inferring coupling strength and natural frequency distribution in coupled Stuart-Landau oscillators using linear response
Moonseok Choi, Yoshiyuki Y. Yamaguchi
We propose a framework to infer the coupling strength and the natural frequency distribution in a coupled Stuart-Landau oscillator system with a large population. The inference met…
cond-mat.stat-mech2026
Critical Scaling of Finite-Size Fluctuations around Marginal Stability in Long-Range Hamiltonian Systems
Yoshiyuki Y. Yamaguchi, Julien Barré
Finite size fluctuations are a crucial ingredient in kinetic theory of long-range interacting collisionless systems. In this Letter, we introduce a phenomenological theory which pr…