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@ARTICLE{Yang:20544,
author = {Yang, M. and Ripoll, M.},
title = {{D}riving forces and polymer hydrodynamics in the {S}oret
effect},
journal = {Journal of physics / Condensed matter},
volume = {24},
issn = {0953-8984},
address = {Bristol},
publisher = {IOP Publ.},
reportid = {PreJuSER-20544},
pages = {195101},
year = {2012},
note = {Record converted from VDB: 12.11.2012},
abstract = {A temperature gradient induces different driving forces on
the components of a mixture which translates into their
segregation. We show that these driving forces constitute
the physical picture behind the thermodiffusion effect, and
provide an alternative expression of the Soret coefficient
which can be applied to both colloidal suspensions and
molecular mixtures. To verify the validity of the formalism,
we quantify the related forces in an Eulerian reference
frame by non-equilibrium molecular simulations. Furthermore,
we present an analytical argument to show that the
hydrodynamic interactions need to be accounted for to obtain
the proper scaling of the thermophoretic force. This result
combined with the presented expression satisfactorily
explains the experimentally known size dependence of the
thermodiffusion coefficient in dilute polymer solutions.},
keywords = {Diffusion / Hydrodynamics / Models, Theoretical / Polymers:
chemistry / Reproducibility of Results / Solutions /
Temperature / Polymers (NLM Chemicals) / Solutions (NLM
Chemicals) / J (WoSType)},
cin = {ICS-2},
ddc = {530},
cid = {I:(DE-Juel1)ICS-2-20110106},
pnm = {BioSoft: Makromolekulare Systeme und biologische
Informationsverarbeitung},
pid = {G:(DE-Juel1)FUEK505},
shelfmark = {Physics, Condensed Matter},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:22466869},
UT = {WOS:000303501000003},
doi = {10.1088/0953-8984/24/19/195101},
url = {https://juser.fz-juelich.de/record/20544},
}