Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Belousov, Roman A."'
Living materials adapt their shape to signals from the environment, yet the impact of shape changes on signal processing and the associated feedback dynamics remain unclear. We derive coarse-grained equations for droplets that adjust their interfacia
Externí odkaz:
http://arxiv.org/abs/2402.08664
Autor:
Belousov, Roman, Savino, Sabrina, Moghe, Prachiti, Hiiragi, Takashi, Rondoni, Lamberto, Erzberger, Anna
Cellular Potts models are broadly applied across developmental biology and cancer research. We overcome limitations of the traditional approach, which reinterprets a modified Metropolis sampling as ad hoc dynamics, by introducing a physical timescale
Externí odkaz:
http://arxiv.org/abs/2306.04443
Autor:
Tucci, Gennaro, Roldán, Édgar, Gambassi, Andrea, Belousov, Roman, Berger, Florian, Alonso, Rodrigo Gogui, Hudspeth, A. James
Publikováno v:
Phys. Rev. Lett. 129, 030603 (2022)
Modelling noisy oscillations of active systems is one of the current challenges in physics and biology. Because the physical mechanisms of such processes are often difficult to identify, we propose a linear stochastic model driven by a non-Markovian
Externí odkaz:
http://arxiv.org/abs/2201.12171
Characterization of composite materials, whose properties vary in space over microscopic scales, has become a problem of broad interdisciplinary interest. In particular, estimation of the inhomogeneous transport coefficients, e.g. the diffusion coeff
Externí odkaz:
http://arxiv.org/abs/2112.08353
The extent to which biological interfaces affect the dynamics of water plays a key role in the exchange of matter and chemical interactions that are essential for life. The density and the mobility of water molecules depend on their proximity to biol
Externí odkaz:
http://arxiv.org/abs/2003.12615
Publikováno v:
Phys. Rev. E 102, 032209 (2020)
The Van der Pol equation is a paradigmatic model of relaxation oscillations. This remarkable nonlinear phenomenon of self-sustained oscillatory motion underlies important rhythmic processes in nature and electrical engineering. Relaxation oscillation
Externí odkaz:
http://arxiv.org/abs/1908.05313
Publikováno v:
Phys. Rev. E 99, 042204 (2019)
The Duffing oscillator is a paradigm of bistable oscillatory motion in physics, engineering, and biology. Time series of such oscillations are often observed experimentally in a nonlinear system excited by a spontaneously fluctuating force. One is th
Externí odkaz:
http://arxiv.org/abs/1901.07442
Publikováno v:
Phys. Rev. E 98, 052125 (2018)
The precision of reaction-diffusion models for mesoscopic physical systems is limited by fluctuations. To account for this uncertainty, Van Kampen derived a stochastic Langevin-like reaction-diffusion equation that incorporates spatio-temporal white
Externí odkaz:
http://arxiv.org/abs/1805.11751
Nonequilibrium Langevin dynamics: a demonstration study of shear flow fluctuations in a simple fluid
Publikováno v:
Phys. Rev. E 96, 022125 (2017)
The present study is based on a recent success of the second-order stochastic fluctuation theory in describing time autocorrelations of equilibrium and nonequilibrium physical systems. In particular, it was shown to yield values of the related determ
Externí odkaz:
http://arxiv.org/abs/1705.05716
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