Zobrazeno 1 - 10
of 247
pro vyhledávání: '"Igor, Goychuk"'
Autor:
Igor Goychuk
Publikováno v:
New Journal of Physics, Vol 24, Iss 4, p 043018 (2022)
We describe the phenomenon of a resonance-like, giant enhancement of diffusion in a basic model of nonlinear diffusion featured by a nonlinear in velocity friction and the corresponding multiplicative thermal noise. The model is consistent with therm
Externí odkaz:
https://doaj.org/article/beb8a8448c514c9fbe3141c68017659e
Autor:
Igor Goychuk
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 7, Iss 1, Pp 328-350 (2016)
The main physical features and operating principles of isothermal nanomachines in the microworld, common to both classical and quantum machines, are reviewed. Special attention is paid to the dual, constructive role of dissipation and thermal fluctua
Externí odkaz:
https://doaj.org/article/85bd27b6d92e4bb6ac25200df6698494
Autor:
Igor Goychuk, Thorsten Pöschel
Publikováno v:
New Journal of Physics, Vol 22, Iss 11, p 113018 (2020)
This work justifies further paradigmatic importance of the model of viscoelastic subdiffusion in random environments for the observed subdiffusion in cellular biological systems. Recently, we showed (2018, PCCP , 20 , 24140) that this model displays
Externí odkaz:
https://doaj.org/article/07278fcd222a4bc99cf2242e812e97ab
Autor:
Igor Goychuk
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America. 119(48)
We investigate analytically and numerically a basic model of driven Brownian motion with a velocity-dependent friction coefficient in nonlinear viscoelastic media featured by a stress plateau at intermediate shear velocities and profound memory effec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe722de03a21009ba6f9dccc0122707e
https://pubmed.ncbi.nlm.nih.gov/36417440
https://pubmed.ncbi.nlm.nih.gov/36417440
Autor:
Igor Goychuk, Thorsten Pöschel
Publikováno v:
Physical Review Letters. 127
We investigate a basic model of nonlinear Brownian motion in a thermal environment, where nonlinear friction interpolates between viscous Stokes and dry Coulomb friction. We show that superdiffusion and supertransport emerge as a nonequilibrium criti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c16aa73f1e1674439478871f4d79f02a
https://doi.org/10.1103/physrevlett.127.110601
https://doi.org/10.1103/physrevlett.127.110601
Publikováno v:
PLoS ONE, Vol 9, Iss 3, p e91700 (2014)
Recent experiments reveal both passive subdiffusion of various nanoparticles and anomalous active transport of such particles by molecular motors in the molecularly crowded environment of living biological cells. Passive and active microrheology reve
Externí odkaz:
https://doaj.org/article/e547dfd915aa4d26b2614c459ed88960
Autor:
Igor Goychuk, Thorsten Pöschel
Publikováno v:
Physical review. E. 104(3-1)
Many experimental studies revealed subdiffusion of various nanoparticles in diverse polymer and colloidal solutions, cytosol and plasma membrane of biological cells, which are viscoelastic and, at the same time, highly inhomogeneous randomly fluctuat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ae0a57c3a150a811d69740c37cc07b8
https://pubmed.ncbi.nlm.nih.gov/34654105
https://pubmed.ncbi.nlm.nih.gov/34654105
Autor:
Thorsten Pöschel, Igor Goychuk
Publikováno v:
Physical review. E. 102(1-1)
Hydrodynamic memory force or Basset force is known since the 19th-century. Its influence on Brownian motion remains, however, mostly unexplored. Here, we investigate its role in nonlinear transport and diffusion within a paradigmatic model of tilted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23f5bc962e07c9f2150e4c88da25200d
https://pubmed.ncbi.nlm.nih.gov/32794961
https://pubmed.ncbi.nlm.nih.gov/32794961
Autor:
Thorsten Pöschel, Igor Goychuk
Publikováno v:
Nature Physics. 17:773-774
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5457e5e0e9b023246187f33c1197dbe8
https://doi.org/10.1038/s41567-021-01269-1
https://doi.org/10.1038/s41567-021-01269-1
Autor:
Igor Goychuk, Andriy Goychuk
Publikováno v:
New Journal of Physics, Vol 17, Iss 4, p 045029 (2015)
We consider a simple Markovian class of the stochastic Wilson–Cowan type models of neuronal network dynamics, which incorporates stochastic delay caused by the existence of a refractory period of neurons. From the point of view of the dynamics of t
Externí odkaz:
https://doaj.org/article/b0655eec22dd44cbb9587b70620ebefc