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DY: Fachverband Dynamik und Statistische Physik

DY 30: Focus Session: New Trends in Nonequilibrium Physics – Conservation Laws and Nonreciprocal Interactions II

Mittwoch, 20. März 2024, 15:00–16:30, BH-N 243

Nonequilibrium phase transitions and pattern formation are known from numerous examples of open systems, where external reservoirs and gradients prevent relaxation to thermodynamic equilibrium. In recent years, related research in biology and soft matter systems in physics and chemistry has increasingly focused on active matter, where energy is injected locally. This often involves mass conservation constraints and, in many cases, in addition non-reciprocal interactions of the involved entities, such as macromolecules or cells. Both have far reaching consequences on the universal dynamical behavior of a wide range of nonequilibrium systems and require classical concepts of nonlinear and statistical physics, such as phase transitions, to be reconsidered and developed further. For example, well-known approaches to nonequilibrium pattern formation require substantial extensions to address conserved systems. Thus, recent theoretical studies in this field have revealed many novel phenomena, such as arrested coarsening, odd elasticity, oscillatory phase separation, persistent wave dynamics, and active turbulence. Many of these aspects have by now been confirmed by experimental findings, for example, in intracellular pattern formation or collective dynamics in colloidal systems. This symposium will provide a well-balanced overview of experimental and theoretical progress in this new, exciting area.

Organized by Markus Bär (Berlin) and Carsten Beta (Potsdam)

	15:00	DY 30.1	Hauptvortrag: Continuum Approach for Studying Morphological Deformations of Multiple-Phase Renewable Energy Devices — •Arik Yochelis
	15:30	DY 30.2	Collective behavior of cohesive, aligning particles — •Jeanine Shea and Holger Stark
	15:45	DY 30.3	Aligning self-propelled particles beyond mean-field: the active Boltzmann equation — Jakob Mihatsch, •Horst-Holger Boltz, Rüdiger Kürsten, and Thomas Ihle
	16:00	DY 30.4	Formation of trails and bands of signaling active particles — •Zahra Mokhtari, Robert Grossmann, Robert Patterson, and Felix Höfling
	16:15	DY 30.5	Two-species Janus colloids with non-reciprocal interactions — •Gennaro Tucci, Suropriya Saha, and Ramin Golestanian