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20-015 Synchronization of active rotators interacting with environment

최종 수정일: 2020년 5월 14일

Taegeun Song, Heetae Kim, Seung-Woo Son, Junghyo Jo

Physical Review E 101, 022613 (2020)



Multiple organs in a living system respond to environmental changes, and the signals from the organs regulate the physiological environment. Inspired by this biological feedback, we propose a simple autonomous system of active rotators to explain how multiple units are synchronized under a fluctuating environment. We find that the feedback via an environment can entrain rotators to have synchronous phases for specific conditions. This mechanism is markedly different from the simple entrainment by a common oscillatory external stimulus that is not interacting with systems. We theoretically examine how the phase synchronization depends on the interaction strength between rotators and environment. Furthermore, we successfully demonstrate the proposed model by realizing an analog electric circuit with microelectronic devices. This bioinspired platform can be used as a sensor for monitoring varying environments and as a controller for amplifying signals by their feedback-induced synchronization.

#publication #paper #Synchronization #Hormones #Biological_physics #Statistical_Physics

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· Date: August 20(Thu.), 2020 · Place: Online (ZOOM) & Konkuk Univ., Seoul · Website: https://www.apctp.org/plan.php/snail2020-1 · Overview : The origin of the asymmetry between matter and anti-matter