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Author

Giulia Pisegna

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Preprint Oct 2026

Active phase separation from concentration-dependent diffusion in chemical networks

Active phase separation in living systems is ubiquitous, yet the microscopic origins of the non-equilibrium terms in active field theories remain largely unknown. Here, starting from stochastic mass-conserving reaction-diffusion dynamics of two interacting chemical species, we perform a systematic slow-mode reduction a...

Giulia Pisegna, R. Golestanian · 0 citations
Preprint Aug 2026

Scaling behavior in non-reciprocal and odd conserved dynamics near criticality

In recent years, non-reciprocity has been explored as a ubiquitous manifestation of non-equilibrium activity at the microscopic scales for various active matter systems, from mixtures of chemically active enzymes, colloids, and droplets, to engineered light-controlled active colloids and robotic meta-materials. A commo...

Martin Kjøllesdal Johnsrud, Giulia Pisegna, R. Golestanian · 0 citations

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