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BASCHNAGEL Jörg


Professeur, Université de Strasbourg

Adresse professionnelle

  
Institut Charles Sadron (CNRS UPR 22)
23 rue du Loess - BP 84047
67034 Strasbourg Cedex 2
France
  
Tél. : + 33 (0)3 88 41 40 56
Fax : + 33 (0)3 88 41 40 99
Mail : jorg.baschnagel.at.ics-cnrs.unistra.fr
  

Titres, diplômes et expérience professionnelle

1984-  1990 Étude de chimie (Université de Mainz, Allemagne / UMASS, Amherst, USA). « Diplomarbeit » (Institut de Chimie, Mainz ; Prof. H. Sillescu / Prof. K. Binder) : Simulation de Monte Carlo du polyéthylène
1993  Doctorat (Institut de Physique, Mainz ; Prof. K. Binder / Prof. H. Sillescu) : Modélisation moléculaire de la transition vitreuse d’un fondu polymère
1995-  1997 Post-doc (Institut Charles Sadron, France ; Prof. J.-F. Joanny) : Théorie de l’adsorption d’une solution bidisperse de polymères
1999  HDR « Physique théorique » (Institut de Physique, Mainz ; Prof. K. Binder) : Propriétés physiques des polymères aux interfaces
1999  Professeur de physique (Université de Strasbourg)

Activités de recherche (et quelques publications)

  • Modélisation moléculaire en physique de la matière molle
    • Monte Carlo simulation of coarse-grained polymer models [J. Baschnagel, J. P. Wittmer, H. Meyer, (NIC Series 23, 83 (2004)]
    • Dynamical properties of the slithering snake algorithm and a numerical test of the activated reptation hypothesis [L. Mattioni et al., Eur. Phys. J. E 10, 369 (2003)]
  • Conformation, structure et dynamique des solutions et fondus de polymères
    • In polymer melts excluded volume interactions are not screened down to the monomer scale and lead to long-range correlations [J. P. Wittmer et al., Phys. Rev. E 76 , 011803 (2007)]
    • In polymer melts hydrodynamic interactions are not screened for all times : Mediated by the melt’s viscoelasticity these interactions impact the polymer dynamics [J. Farago et al., Phys. Rev. E 85 , 051807 (2012)]
    • MD simulations verify that self-avoiding chains in strictly two-dimensional melts are segregated, and compact and have a fractal boundary [H. Meyer et al., J. Chem. Phys. 132, 184904 (2010)]
  • Dynamique lente dans des systèmes de polymères surfondus
  • Propriétés mécaniques et viscoélastiques dans des solides amorphes
    • Mechanical behavior of linear amorphous polymers : Comparison between molecular dynamics and finite-element simulations [M. Solar et al., Phys. Rev. E 85, 021808 (2012)]
    • Shear modulus in simple glass formers, isotropic networks and polymer glasses : Application of the stress-fluctuation formalism and relation to the shear relaxation modulus, effects of temperature and sampling time [J. P. Wittmer et al., J. Chem. Phys. 138, 12A533 (2013) ; I. Kriuchevskyi et al., Phys. Rev. Lett. 119, 147802 (2017)]
    • Shear stress relaxation in self-assembled transient networks : A simple model for "vitrimers" [J. P. Wittmer et al., Phys. Rev. E 93, 062611 (2016)]
  • Polymères aux interfaces
    • MD results on the pressure tensor of polymer films [F. Varnik, J. Baschnagel, K. Binder, J. Chem. Phys. 113, 4444 (2000)]
    • Concentrated polymer solutions in a thin-film geometry : From equilibrium properties to solvent evaporation [S. Peter, H. Meyer, J. Baschnagel, J. Chem. Phys. 131, 014902 (2009) ; J. Chem. Phys. 131, 014903 (2009)]
    • Frictional forces and shear thinning in compressed nonentangled polymer brushes : Scaling theory, MD simulations and comparison to experiment [A. Galuschko et al., Langmuir 26, 6418 (2010)]
    • Molecular dynamics simulations show that viscoelastic effects are important to understand the capillary leveling of a step of a thin polymer film on an underlayer of the same polymer material [I. Tanis et al. J. Chem. Phys. 146, 203327 (2017)]

Activités professionnelles

  • Depuis 2005 : Responsable de l’équipe Théorie et simulation des polymères à l’Institut Charles Sadron
  • Depuis 2008 : Éditeur adjoint du journal European Physical Journal E
  • Depuis 2014 : Coordination (en collaboration avec V. Le Houérou, Strasbourg et R. Mülhaupt, Freiburg, Allemagne) de l’ "International Master of Polymer Science" (Strasbourg / Freiburg)
  • Depuis 2016 : Membre du comité de pilotage du CPER AlsaCalcul 2015-2020
  • 2009-2015 : Membre du conseil scientifique du Leibniz-Institute for Polymer Research (IPF) à Dresde (Allemagne)
  • 2012-2015 : Membre (suppléant) du CNU (Section 28)
  • 2010-2019 : Coordination ("Spokesperson") avec G. Reiter (Freiburg, Allemagne) du Collège Doctoral Franco-Allemand IRTG "Soft Matter Science : Concepts for the Design of Functional Materials" avec Freiburg, Bâle, Mulhouse et Strasbourg
  • 2001-2010 : Coordination ("Spokesperson") avec G. Maret (Constance, Allemagne) de l’IRTG "Soft Condensed Matter Physics of Model Systems" entre Constance, Strasbourg et Grenoble

Prix

Publications

  • Livre : Stochastic Processes : From Physics to Finance (Springer, 2013)
  • Quelques articles de revue :
    • J. Baschnagel et al., Bridging the Gap Between Atomistic and Coarse-Grained Models of Polymers : Status and Perspectives, Adv. Polym. Sci. 152, 41 (2000)
    • J. Baschnagel, F. Varnik, Computer simulations of supercooled polymer melts in the bulk and in confined geometry, J. Phys. : Condens. Matter 17, R851 (2005)
    • J. P. Wittmer et al., Scale-Free Static and Dynamical Correlations in Melts of Monodisperse and Flory-Distributed Homopolymers, J. Stat. Phys. 145, 1017 (2011)
    • N. Schulmann et al., Strictly two-dimensional self-avoiding walks : Density crossover scaling, Polym. Sci. Series C 55, 990 (2013)
    • J. Baschnagel et al., Glass Transition and Relaxation Behavior of Supercooled Polymer Melts : An Introduction to Modeling Approaches by Molecular Dynamics Simulations and to Comparisons With Mode-Coupling Theory, in Polymer Glasses, edited by C. Roth (CRC Press, Taylor & Francis group, 2016, pp. 55-106)
  • Publications récentes :

2018

Kriuchevskyi, I., Wittmer, J. P., Meyer, H., Benzerara, O., & Baschnagel, J. (2018). Shear-stress fluctuations and relaxation in polymer glasses. Physical Review E, 97(1).
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2017

Chapuis, P., Montgomery, P. C., Anstotz, F., Leong-Hoi, A., Gauthier, C., Baschnagel, J., et al. (2017). A novel interferometric method for the study of the viscoelastic properties of ultra-thin polymer films determined from nanobubble inflation. Review Of Scientific Instruments, 88(9).
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Dolgushev, M., Wittmer, J. P., Johner, A., Benzerara, O., Meyer, H., & Baschnagel, J. (2017). Marginally compact hyperbranched polymer trees. Soft Matter, 13(13), 2499–2512.
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Duranty, E. R., Baschnagel, J., & Dadmun, M. (2017). Diffusion of copolymers composed of monomers with drastically different friction factors in copolymer/homopolymer blends. J. Chem. Phys., 146(5), 7 pp.
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Kriuchevskyi, I., Wittmer, J. P., Benzerara, O., Meyer, H., & Baschnagel, J. (2017). Numerical determination of shear stress relaxation modulus of polymer glasses. Eur. Phys. J. E, 40(4), 6 pp.
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Kriuchevskyi, I., Wittmer, J. P., Meyer, H., & Baschnagel, J. (2017). Shear Modulus and Shear-Stress Fluctuations in Polymer Glasses. Physical Review Letters, 119(14).
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Ruscher, C., Semenov, A. N., Baschnagel, J., & Farago, J. (2017). Anomalous sound attenuation in Voronoi liquid. J. Chem. Phys., 146(14), 15 pp.
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Tanis, I., Meyer, H., Salez, T., Raphael, E., Maggs, A. C., & Baschnagel, J. (2017). Molecular dynamics simulation of the capillary leveling of viscoelastic polymer films. J. Chem. Phys., 146(20), 8 pp.
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2016

Baschnagel, J., Meyer, H., Wittmer, J., Kulic, I., Mohrbach, H., Ziebert, F., et al. (2016). Semiflexible Chains at Surfaces: Worm-Like Chains and beyond. Polymers, 8(8), 35 pp.
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Diddens, D., Lee, N. K., Obukhov, S., Baschnagel, J., & Johner, A. (2016). Disentanglement of Two Single Polymer Chains: Contacts and Knots. ACS Macro Lett., 5(6), 740–744.
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Wittmer, J. P., Kriuchevskyi, I., Cavallo, A., Xu, H., & Baschnagel, J. (2016). Shear-stress fluctuations in self-assembled transient elastic networks. Phys. Rev. E, 93(6), 11 pp.
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Wittmer, J. P., Xu, H., & Baschnagel, J. (2016). Simple average expression for shear-stress relaxation modulus. Phys. Rev. E, 93(1), 5 pp.
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2015

Frey, S., Weysser, F., Meyer, H., Farago, J., Fuchs, M., & Baschnagel, J. (2015). Simulated glass-forming polymer melts: dynamic scattering functions, chain length effects, and mode-coupling theory analysis. The European physical journal. E, Soft matter, 38(2), 97.
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Helfferich, J., Vollmayr-Lee, K., Ziebert, F., Meyer, H., & Baschnagel, J. (2015). Glass formers display universal non-equilibrium dynamics on the level of single-particle jumps. Epl, 109(3).
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Ruscher, C., Baschnagel, J., & Farago, J. (2015). The Voronoi liquid. Epl, 112(6).
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Wittmer, J. P., Kriuchevskyi, I., Baschnagel, J., & Xu, H. (2015). Shear-strain and shear-stress fluctuations in generalized Gaussian ensemble simulations of isotropic elastic networks. European Physical Journal B, 88(9).
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Wittmer, J. P., Xu, H., & Baschnagel, J. (2015). Shear-stress relaxation and ensemble transformation of shear-stress autocorrelation functions. Physical Review E, 91(2).
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Wittmer, J. P., Xu, H., Benzerara, O., & Baschnagel, J. (2015). Fluctuation-dissipation relation between shear stress relaxation modulus and shear stress autocorrelation function revisited. Molecular Physics, 113(17-18), 2881–2893.
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2014

Farago, J., Semenov, A., Frey, S., & Baschnagel, J. (2014). New conserved structural fields for supercooled liquids. European Physical Journal E, 37(6).
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Helfferich, J., Ziebert, F., Frey, S., Meyer, H., Farago, J., Blumen, A., et al. (2014). Continuous-time random-walk approach to supercooled liquids. I. Different definitions of particle jumps and their consequences. Physical Review E, 89(4).
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