Publications (citations)

High-impact journals: 2× Nature Communications, 1× Science Advances, 5× Physical Review Letters, 1× Advances in Physics

Type of publications: 31× regular article, 2× review article, 1× book, 1× software, 1× other

 

a) Regular articles (with peer review)

  1. J. Bickmann and R. Wittkowski,
    Predictive local field theory for interacting active Brownian spheres in two spatial dimensions,
    under review, arXiv:1909.03369 (2019)
  2. J. Voß and R. Wittkowski,
    Hydrodynamic resistance matrices of colloidal particles with various shapes,
    under review, arXiv:1811.01269 (2018)
  3. M. te Vrugt and R. Wittkowski,
    Mori-Zwanzig projection operator formalism for far-from-equilibrium systems with time-dependent Hamiltonians,
    Physical Review E 99, 062118 (2019). DOI: 10.1103/PhysRevE.99.062118 (link to APS)
  4. S. Praetorius, A. Voigt, R. Wittkowski and H. Löwen,
    Active crystals on a sphere,
    Physical Review E 97, 052615 (2018). DOI: 10.1103/PhysRevE.97.052615 (link to APS)
  5. C. E. Sitta, F. Smallenburg, R. Wittkowski and H. Löwen,
    Liquid crystals of hard rectangles on flat and cylindrical manifolds,
    Physical Chemistry Chemical Physics 20, 5285-5294 (2018). DOI: 10.1039/C7CP07026H (link to RSC)
  6. R. Wittkowski, J. Stenhammar and M. E. Cates,
    Nonequilibrium dynamics of mixtures of active and passive colloidal particles,
    New Journal of Physics 10, 105003 (2017). DOI: 10.1088/1367-2630/aa8195 (link to IOP).

    Invited article.

  7. A. I. Campbell, R. Wittkowski, B. ten Hagen, H. Löwen and S. J. Ebbens,
    Helical paths, gravitaxis, and separation phenomena for mass-anisotropic self-propelling colloids: experiment versus theory,
    Journal of Chemical Physics 147, 084905 (2017). DOI: 10.1063/1.4998605 (link to AIP)
  8. C. E. Sitta, F. Smallenburg, R. Wittkowski and H. Löwen,
    Hard rectangles near curved hard walls: tuning the sign of the Tolman length,
    Journal of Chemical Physics 145, 204508 (2016). DOI: 10.1063/1.4967876 (link to AIP)
  9. T. Glanz, R. Wittkowski and H. Löwen,
    Symmetry breaking in clogging for oppositely driven particles,
    Physical Review E 94, 052606 (2016). DOI: 10.1103/PhysRevE.94.052606 (link to APS)
  10. J. Stenhammar, R. Wittkowski, D. Marenduzzo and M. E. Cates,
    Light-induced self-assembly of active rectification devices,
    Science Advances 2, e1501850 (2016). DOI: 10.1126/sciadv.1501850 (link to AAAS).

    Selected as Research Highlight in Nature Physics 12, 376 (2016), DOI: 10.1038/nphys3764.
    Press reports: Big News Network, Business Standard, Dagens Nyheter, Daijiworld, DesignNews, ECN, EurekAlert!, FARS News, Forskning.se, Lund University, Nanotechnology Now, Newkerala, Noodls, Nvs24, ScienceDaily, Space Daily, University of Düsseldorf, Zee News

  11. A. Tiribocchi, R. Wittkowski, D. Marenduzzo and M. E. Cates,
    Active Model H: scalar active matter in a momentum-conserving fluid,
    Physical Review Letters 115, 188302 (2015). DOI: 10.1103/PhysRevLett.115.188302 (link to APS)
  12. A. P. Solon, J. Stenhammar, R. Wittkowski, M. Kardar, Y. Kafri, M. E. Cates and J. Tailleur,
    Pressure and phase equilibria in interacting active Brownian spheres,
    Physical Review Letters 114, 198301 (2015). DOI: 10.1103/PhysRevLett.114.198301 (link to APS).

    Featured in Physics. Editors’ Suggestion. Selected for a Viewpoint in PRL.

  13. B. ten Hagen, R. Wittkowski, D. Takagi, F. Kümmel, C. Bechinger and H. Löwen,
    Can the self-propulsion of anisotropic microswimmers be described by using forces and torques?,
    Journal of Physics: Condensed Matter 27, 194110 (2015). DOI: 10.1088/0953-8984/27/19/194110 (link to IOP)
  14. J. Stenhammar, R. Wittkowski, D. Marenduzzo and M. E. Cates,
    Activity-induced phase separation and self-assembly in mixtures of active and passive particles,
    Physical Review Letters 114, 018301 (2015). DOI: 10.1103/PhysRevLett.114.018301 (link to APS)
  15. B. ten Hagen, F. Kümmel, R. Wittkowski, D. Takagi, H. Löwen and C. Bechinger,
    Gravitaxis of asymmetric self-propelled colloidal particles,
    Nature Communications 5, 4829 (2014). DOI: 10.1038/ncomms5829 (link to NPG).

    Press reports: DRadio Wissen, Innovations-Report, LABO, Max Planck Society, Physik Journal, Phys.org, University of Düsseldorf, University of Stuttgart, VBIO

  16. F. Kümmel, B. ten Hagen, R. Wittkowski, D. Takagi, I. Buttinoni, R. Eichhorn, G. Volpe, H. Löwen and C. Bechinger,
    Reply to “Comment on ‘Circular motion of asymmetric self-propelling particles’”,
    Physical Review Letters 113, 029802 (2014). DOI: 10.1103/PhysRevLett.113.029802 (link to APS)
  17. R. Wittkowski, A. Tiribocchi, J. Stenhammar, R. J. Allen, D. Marenduzzo and M. E. Cates,
    Scalar ϕ4 field theory for active-particle phase separation,
    Nature Communications 5, 4351 (2014). DOI: 10.1038/ncomms5351 (link to NPG)
  18. D. J. Kraft, R. Wittkowski, B. ten Hagen, K. V. Edmond, D. J. Pine and H. Löwen,
    Brownian motion and the hydrodynamic friction tensor for colloidal particles of complex shape,
    Physical Review E 88, 050301(R) (2013). DOI: 10.1103/PhysRevE.88.050301 (link to APS). Rapid Communication.
  19. M. Tarama, A. M. Menzel, B. ten Hagen, R. Wittkowski, T. Ohta and H. Löwen,
    Dynamics of a deformable active particle under shear flow,
    Journal of Chemical Physics 139, 104906 (2013). DOI: 10.1063/1.4820416 (link to AIP)
  20. R. Wittkowski, H. Löwen and H. R. Brand,
    Microscopic approach to entropy production,
    Journal of Physics A: Mathematical and Theoretical 46, 355003 (2013). DOI: 10.1088/1751-8113/46/35/355003 (link to IOP)
  21. S. Praetorius, A. Voigt, R. Wittkowski and H. Löwen,
    Structure and dynamics of interfaces between two coexisting liquid-crystalline phases,
    Physical Review E 87, 052406 (2013). DOI: 10.1103/PhysRevE.87.052406 (link to APS)
  22. F. Kümmel, B. ten Hagen, R. Wittkowski, I. Buttinoni, R. Eichhorn, G. Volpe, H. Löwen and C. Bechinger,
    Circular motion of asymmetric self-propelling particles,
    Physical Review Letters 110, 198302 (2013). DOI: 10.1103/PhysRevLett.110.198302 (link to APS).

    Featured in Physics. Editors’ Suggestion. Selected for a Synopsis in PRL.

  23. R. Wittkowski, H. Löwen and H. R. Brand,
    Extended dynamical density functional theory for colloidal mixtures with temperature gradients,
    Journal of Chemical Physics 137, 224904 (2012). DOI: 10.1063/1.4769101 (link to AIP)
  24. R. Wittkowski and H. Löwen,
    Self-propelled Brownian spinning top: dynamics of a biaxial swimmer at low Reynolds numbers,
    Physical Review E 85, 021406 (2012). DOI: 10.1103/PhysRevE.85.021406 (link to APS)
  25. R. Wittkowski and H. Löwen,
    Dynamical density functional theory for colloidal particles with arbitrary shape,
    Molecular Physics 109, 2935-2943 (2011). DOI: 10.1080/00268976.2011.609145 (link to Taylor & Francis)
  26. R. Wittkowski, H. Löwen and H. R. Brand,
    Microscopic and macroscopic theories for the dynamics of polar liquid crystals,
    Physical Review E 84, 041708 (2011). DOI: 10.1103/PhysRevE.84.041708 (link to APS)
  27. B. ten Hagen, R. Wittkowski and H. Löwen,
    Brownian dynamics of a self-propelled particle in shear flow,
    Physical Review E 84, 031105 (2011). DOI: 10.1103/PhysRevE.84.031105 (link to APS)
  28. C. V. Achim, R. Wittkowski and H. Löwen,
    Stability of liquid crystalline phases in the phase-field-crystal model,
    Physical Review E 83, 061712 (2011). DOI: 10.1103/PhysRevE.83.061712 (link to APS)
  29. R. Wittkowski, H. Löwen and H. R. Brand,
    Polar liquid crystals in two spatial dimensions: the bridge from microscopic to macroscopic modeling,
    Physical Review E 83, 061706 (2011). DOI: 10.1103/PhysRevE.83.061706 (link to APS)
  30. R. Wittkowski, H. Löwen and H. R. Brand,
    Derivation of a three-dimensional phase-field-crystal model for liquid crystals from density functional theory,
    Physical Review E 82, 031708 (2010). DOI: 10.1103/PhysRevE.82.031708 (link to APS)
  31. R. Wittkowski, A. B. Schelin and K. H. Spatschek,
    Mean motion in stochastic plasmas with a space-dependent diffusion coefficient,
    Contributions to Plasma Physics 49, 55-69 (2009). DOI: 10.1002/ctpp.200910009 (link to WILEY-VCH)

 

b) Review articles (with peer review)

  1. H. H. Wensink, H. Löwen, M. Marechal, A. Härtel, R. Wittkowski, U. Zimmermann, A. Kaiser and A. M. Menzel,
    Differently shaped hard body colloids in confinement: from passive to active particles,
    European Physical Journal Special Topics 222, 3023-3037 (2013). DOI: 10.1140/epjst/e2013-02073-0 (link to Springer)
  2. H. Emmerich, H. Löwen, R. Wittkowski, T. Gruhn, G. I. Tóth, G. Tegze and L. Gránásy,
    Phase-field-crystal models for condensed matter dynamics on atomic length and diffusive time scales: an overview,
    Advances in Physics 61, 665-743 (2012). DOI: 10.1080/00018732.2012.737555 (link to Taylor & Francis)

 

c) Book

  1. R. Wittkowski, Brownian dynamics of active and passive anisotropic colloidal particles,
    Shaker Verlag, Aachen, 1st edition, 198 pages (2012). ISBN: 978-3-8440-1368-9, ISSN: 0945-0963,
    DOI: 10.2370/9783844013689 (link to Shaker Verlag)

 

d) Software

  1. J. Voß, J. Jeggle and R. Wittkowski,
    HydResMat - FEM-based code for calculating the hydrodynamic resistance matrix of an arbitrarily-shaped colloidal particle,
    Accompanying article: J. Voß and R. Wittkowski, arXiv:1811.01269 (2018) (link to article),
    Date of release: May 2019, GitHub: HV59/HydResMat (link to GitHub)

 

e) Other

  1. R. Wittkowski, Eine Fiktion wird Forschungsziel,
    university newspaper "wissen|leben", no. 7, page 6, edition November/December 2018 (link to WWU News)