Results 51 to 60 of about 3,052,280 (220)

Theoretical framework for two-microswimmer hydrodynamic interactions

New Journal of Physics, 2021
Hydrodynamic interactions are crucial for determining the cooperative behavior of microswimmers at low Reynolds numbers. Here we provide a comprehensive analysis of the scaling laws and the strength of the interactions in the case of a pair of three ...
Sebastian Ziegler, Thomas Scheel, Maxime Hubert, Jens Harting, Ana-Sunčana Smith   +4 more
doaj   +1 more source

Stochastic Stirling Engine Operating in Contact with Active Baths

Entropy, 2017
A Stirling engine made of a colloidal particle in contact with a nonequilibrium bath is considered and analyzed with the tools of stochastic energetics. We model the bath by non Gaussian persistent noise acting on the colloidal particle. Depending on the
Ruben Zakine, Alexandre Solon, Todd Gingrich, Frédéric van Wijland   +3 more
doaj   +1 more source

High-energy neutrino conversion and the lepton asymmetry in the universe [PDF]

, 2001
We study matter effects on oscillations of high-energy neutrinos in the Universe. Substantial effect can be produced by scattering of the neutrinos from cosmological sources ($z\gta 1$) on the relic neutrino background, provided that the latter has large
A. Abbasabadi, A. Abbasabadi, A. Balbi, A. E. Lange, A. Yu. Smirnov, C. Lunardini, C. Lunardini, D. A. Dicus, D. A. Dicus, D. Fargion, D. Notzold, D. W. Hogg, E. Roulet, E. Waxman, E. Waxman, F. Halzen, F. W. Stecker, G. B. Larsen, G. G. Raffelt, G. Gelmini, G. Gelmini, G. Raffelt, G. Sigl, H. Athar, H. Athar, H. Athar, H. J. M. S. Mao, H. Kang, J. Alvarez-Muniz, J. G. Learned, J. J. Blanco-Pillado, J. L. Crooks, J. Lesgourgues, J. Lesgourgues, J. N. Bahcall, J. Pantaleone, J. Pantaleone, K. Enqvist, L. Bento, L. Stodolsky, M. C. Gonzalez-Garcia, M. J. S. Levine, M. Krumholz, M. Schmidt, P. Bhattacharjee, P. Bhattacharjee, P. Bhattacharjee, P. de Bernardis, R. J. Protheroe, S. Dodelson, S. Esposito, S. Esposito, S. Hanany, S. Hannestad, S. I. Dutta, S. Samuel, S. Samuel, T. J. Weiler, V. A. Kostelecky, V. A. Kostelecky, V. A. Kostelecky, V. A. Kostelecky, V. K. Cung, W. H. Kinney, X. Shi   +64 more
core   +2 more sources

Spheroid mechanics and implications for cell invasion

Advances in Physics: X, 2021
Spheroids are widely used in vitro 3D multicellular model systems that mimic complex physiological microenvironments of tissues. As different cell types vary in deformability and adhesion, the choice of (heterogeneous) cell composition will define ...
Ruben C. Boot, Gijsje H. Koenderink, Pouyan E. Boukany   +2 more
doaj   +1 more source

Active Microrheology in Active Matter Systems: Mobility, Intermittency and Avalanches

, 2015
We examine the mobility and velocity fluctuations of a driven particle moving through an active matter bath of self-mobile disks for varied density or area coverage and varied activity.
Reichhardt, C., Reichhardt, C. J. Olson
core   +1 more source

Macroscopic, artificial active matter

National Science Open
Artificial active matters on a macroscopic scale, including vibrating particles, robots, and camphor boats, have attracted increasing attentions due to their uniform properties, rich and easily controllable parameters, convenient observation, and the ...
Ning Luhui, Zhu Hongwei, Yang Jihua, Zhang Qun, Liu Peng, Ni Ran, Zheng Ning   +6 more
doaj   +1 more source

RNA polymerase II clusters form in line with surface condensation on regulatory chromatin

Molecular Systems Biology, 2021
It is essential for cells to control which genes are transcribed into RNA. In eukaryotes, two major control points are recruitment of RNA polymerase II (Pol II) into a paused state, and subsequent pause release toward transcription.
Agnieszka Pancholi, Tim Klingberg, Weichun Zhang, Roshan Prizak, Irina Mamontova, Amra Noa, Marcel Sobucki, Andrei Yu Kobitski, Gerd Ulrich Nienhaus, Vasily Zaburdaev, Lennart Hilbert   +10 more
doaj   +1 more source

Anomalous Topological Active Matter [PDF]

Physical Review Letters, 2019
6+5 pages, 4+4 figures, to appear in PRL, see also supplementary movie published with the ...
Kazuki Sone, Yuto Ashida
openaire   +3 more sources

Anisotropic swim stress in active matter with nematic order [PDF]

, 2018
Active Brownian Particles (ABPs) transmit a swim pressure $\Pi^{swim}=n\zeta D^{swim}$ to the container boundaries, where $\zeta$ is the drag coefficient, $D^{swim}$ is the swim diffusivity and $n$ is the uniform bulk number density far from the ...
Brady, John F., Yan, Wen
core   +3 more sources

Irreversibility, heat and information flows induced by non-reciprocal interactions

New Journal of Physics, 2020
We study the thermodynamic properties induced by non-reciprocal interactions between stochastic degrees of freedom in time- and space-continuous systems. We show that, under fairly general conditions, non-reciprocal coupling alone implies a steady energy
Sarah A M Loos, Sabine H L Klapp
doaj   +1 more source