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Open access
Aug 2026
Explosive death in interacting networks under mixed coupling
Explosive death —a discontinuous, first-order transition from oscillatory dynamics to a steady state— is investigated in a framework of interacting networks under mixed coupling. Unlike previous studies focused on monolayer topologies, this work explores the interplay between local diffusive coupling among peripheral n...
Ranjib Banerjee, Dibakar Ghosh, Amit Sharma
· Europhysics letters · 0 citations
Preprint
Aug 2026
A Dynamical Mechanism for Irreversibility in Cyclically Driven Amorphous Solids
Amorphous solids subjected to athermal quasistatic oscillatory shear undergo a transition from periodic reversible dynamics to irreversible diffusive dynamics at yielding. How irreversibility arises in such deterministic, strongly dissipative systems remains unclear. Here we directly test the proposal that post-yield i...
S. Chatterjee, Asaf Szulc, I. Regev
· 0 citations
Preprint
Sep 2026
Signatures of Chaos in a Quasiperiodically Driven Quantum Impact Oscillator
We demonstrate the emergence of quantum-chaotic dynamics in a quasiperiodically driven impact oscillator near the grazing condition. While previous studies of the quantum impact oscillator under periodic driving reported strange nonchaotic dynamics, we show that quasiperiodic driving produces robust signatures of chaos...
Deepshikha Singh, Titir Mukherjee, Soumitro Banerjee
· 0 citations
Open access
Sep 2026
Transient chaos in the self-organization of dissipative optical solitons.
Transient chaos is a hallmark of complex dynamics in nonlinear systems. Governed by chaotic saddles, it manifests as short-lived yet rich chaotic behavior preceding an abrupt transition to a stable attractor. However, real-time capture and quantitative characterization of such inherently unpredictable and nonrepetitive...
Kun Chen, Tao Cao, Shao-Zhen Liu et al.
· Proceedings of the National... · 0 citations
Preprint
Sep 2026
First-order integrability-breaking phase transitions in dynamical systems
We investigate a discontinuous route from integrability to chaos using a confined stochastic random walk and a deterministic stadium-like billiard. In both systems, the stationary diffusive observable exhibits a finite jump at the transition: it vanishes at the unperturbed limit but approaches a finite, geometry-contro...
A. K. P. da Fonseca, Marcelo de Almeida Presotto, D. M. Oliveira et al.
· 0 citations
Preprint
Sep 2026
Nonlinear Dissipation and Hopf Criticality in Driven Dissipative Collective Spins
Self-sustained oscillations combine finite-amplitude stabilization with a neutral phase degree of freedom. We develop this bifurcation-based framework for driven-dissipative collective spins and show that the microscopic structure of the U(1)-covariant dissipation selects the background attractor, while the explicit U(...
Shu Yang, Jun Wang, Wei-Dong Li et al.
· 0 citations