Article (Scientific journals)
Diffusive oscillators capture the pulsating states of deformable particles.
MANACORDA, Alessandro; FODOR, Etienne
2025In Physical Review. E, 111 (5), p. 053401
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Keywords :
Coarse Graining; Coarse-grained; Collective dynamics; Deformable particles; Dynamical arrests; Effective energy; Energy landscape; Internal state; Rotational invariances; Spiral waves; Statistical and Nonlinear Physics; Statistics and Probability; Condensed Matter Physics; Physics - Statistical Mechanics; Physics - Soft Condensed Matter
Abstract :
[en] We study a model of diffusive oscillators whose internal states are subject to a periodic drive. These models are inspired by the dynamics of deformable particles with pulsating sizes, where repulsion leads to arrest the internal pulsation at high density. We reveal that, despite the absence of any repulsion between the diffusive oscillators, our model still captures the emergence of dynamical arrest. We demonstrate that arrest here stems from the discrete nature of internal states, which enforces an effective energy landscape analogous to that of deformable particles. Moreover, we show that the competition between arrest and synchronization promotes spiral waves reminiscent of the pulsating states of deformable particles. Using analytical coarse graining, we derive and compare the collective dynamics of diffusive oscillators with that of deformable particles. This comparison leads to rationalizing the emergence of spirals in terms of a rotational invariance at the coarse-grained level, and to elucidating the role of hydrodynamic fluctuations.
Disciplines :
Physics
Author, co-author :
MANACORDA, Alessandro  ;  University of Luxembourg > Faculty of Science, Technology and Medicine > Department of Physics and Materials Science > Team Etienne FODOR ; Institute of Complex Systems, CNR , Uos Sapienza, Piazzale A. Moro 5, 00185 Rome, Italy
FODOR, Etienne  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
External co-authors :
yes
Language :
English
Title :
Diffusive oscillators capture the pulsating states of deformable particles.
Publication date :
May 2025
Journal title :
Physical Review. E
ISSN :
2470-0045
eISSN :
2470-0053
Publisher :
American Physical Society, United States
Volume :
111
Issue :
5
Pages :
L053401
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
H2020 Marie Skłodowska-Curie Actions
Fonds National de la Recherche Luxembourg
Minnesota Ovarian Cancer Alliance
Funding text :
Acknowledgments. We acknowledge fruitful discussions with L. K. Davis, M. Esposito, J. Meihbom, and Y. Zhang. This project has received funding from the European Union's Horizon Europe research and innovation programme under the Marie Sk\u0142odowska-Curie Grant Agreement No. 101056825 (NewGenActive), and from the Luxembourg National Research Fund (FNR), Grant reference No. 14389168. A.M. acknowledges financial support from the project MOCA funded by MUR PRIN2022 Grant No. 2022HNW5YL.
Commentary :
7+11 pages, 4+4 figures
Available on ORBilu :
since 16 December 2025

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