2017

  1. A.L. Thorneywork, J.A. Abbott, D.G.A.L. Aarts, P.Keim, R.P.A. Dullens
    Bond-orientational order and Frank's constant in two-dimensional colloidal hard spheres
    submitted
  2. H. Shiba, P. Keim, T. Kawasaki
    Isolating long-wavelength fluctuation from structural relaxation in two-dimensional glass: Cage-relative displacement
    submitted
  3. B. Illing, S. Fritschi, H. Kaiser, C.L. Klix, G. Maret, P. Keim
    Mermin-Wagner fluctuations in 2D amorphous solids
    Proc. Natl. Acad. Sci. 114, 1861 (2017) / [doi: 10.1073/pnas.1612964114]     [ pdf ]     Supp. mat. [ pdf ]
    See also the comment by G. Tarjus
    Glass transitions may be similar in two and three dimensions, after all
    Proc. Natl. Acad. Sci. 114, 2440 (2017) / [doi: 10.1073/pnas.1700193114]     [ pdf ]
    See also the comment in Nature Physics | Research Highlights
    2D materials: Amorphous and fluctuating
    Nature Physics 13, 205 (2017) / [doi:10.1038/nphys4065]

    2016

    Gustav-Hertz-Preis 2016

  4. P. Keim
    Symmetriebruch fern des Gleichgewichts
    Physik Journal 09, 59 (2016)     [ pdf ]
  5. B. Illing, S. Fritschi, D. Hajnal, C.L. Klix, P. Keim, M. Fuchs
    Strain pattern in supercooled liquids
    Phys. Rev. Lett 117, 208002 (2016)     [ pdf ]     Supp. mat. [ pdf ]

    2015

  6. S. Deutschländer, C. Boitard, G. Maret, P. Keim
    Grain boundary induced melting in quenched polycrystalline monolayers
    Phys. Rev. E 92, 060302 (2015)     [ pdf ]
  7. P. Keim
    Mermin-Wagner fluctuations in 2D amorphous solids
    just a comment in ArXiv     [ pdf ]
  8. C.L. Klix, G. Maret, P. Keim
    Discontinuous shear modulus determines the glass transition temperature
    Phys. Rev. X 5, 041033 (2015)     [ pdf ]
  9. S. Deutschländer, P. Dillmann, G. Maret, P. Keim
    Kibble-Zurek mechanism in colloidal monolayers
    Proc. Natl. Acad. Sci. 112, 6925 (2015) / [doi: 10.1073/pnas.1500763112]     [ pdf ]
    see also comment by A. del Campo:
    Colloidal test bed for universal dynamics of phase transitions
    Proc. Natl. Acad. Sci. 112, 6780 (2015)     [ pdf ]
  10. W. Lechner, D. Polster, G. Maret, C. Dellago, P. Keim
    Entropy and Kinetics of Point-Defects in Two-Dimensional Dipolar Crystals
    Phys. Rev. E 91, 032304 (2015)     [ pdf ]

    2014

  11. S. Deutschländer, A. Puertas, G. Maret, P. Keim
    Specific heat in two-dimensional melting
    Phys. Rev. Lett. 113, 127801 (2014)     [ pdf ]     Supp. mat. [ pdf ]

    2013

  12. W. Lechner, D. Polster, G. Maret, P. Keim, C. Dellago
    Self-organized defect strings in two-dimensional crystals
    Phys. Rev. E 88, 060402 (2013)     [ pdf ]     Supp. mat. [ pdf ]
  13. S. Deutschländer, T. Horn, H. Löwen, G. Maret, P. Keim
    Two-dimensional melting under quenched disorder
    Phys. Rev. Lett. 111, 098301 (2013)     [ pdf ]     Supp. mat. [ pdf ]     movie1 [ avi ]     movie2 [ avi ]
  14. T. Horn, S. Deutschländer, H. Löwen, G. Maret, P. Keim
    Fluctuations of orientational order and clustering in a two-dimensional colloidal system under quenched disorder
    Phys. Rev. E 88, 062305 (2013)     [ pdf ]
  15. P. Dillmann, G. Maret, P. Keim
    Two-dimensional colloidal systems in time-dependent magnetic fields: How to define crystallinity in 2D on a local scale
    Euro. Phys. J. Special Topic 222, 2941 (2013)     [ pdf ]
  16. S. Deutschländer, K. Franzrahe, B. Heinze, P. Henseler, P. Keim, N. Schwierz, U. Siems, P. Virnau, D. Wilms, K. Binder, G. Maret, and P. Nielaba
    Effects of boundaries on structure formation near the liquid-solid-transition in equilibrium and in external Fields and under shear
    Euro. Phys. J. Special Topic 222, 2973 (2013)     [ pdf ]

    2012

  17. C.L. Klix, F. Ebert, F. Weysser, M. Fuchs, G. Maret, P. Keim
    Glass elasticity from particle trajectories
    Phys. Rev. Lett. 109, 178301 (2012)     [ pdf ]     Supp. mat. [ pdf ]
  18. P. Dillmann, G. Maret, P. Keim
    Comparison of 2D melting criteria in a colloidal system
    J. Phys. Cond. Mat. 24, 464118 (2012)     [ pdf ]
  19. D. Wilms, S. Deutschländer, U. Siems, K. Franzrahe, P. Henseler, P. Keim, N. Schwierz, P.Virnau, K. Binder, G. Maret, P. Nielaba
    Effects of confinement and external fields on structure and transport
    J. Phys. Cond. Mat. 24, 464119 (2012)     [ pdf ]

    2011

  20. S. Mazoyer, F. Ebert, G. Maret, P. Keim
    Correlation between dynamical heterogeneities, structure and potential energy distribution in a 2D glass
    Euro. Phys. J. E, 34, 101 (2011)     [ pdf ]     movie1 [ avi ]

    2010

  21. Cover    U. Gasser, C. Eisenmann, G. Maret, P. Keim
    Melting of crystals in two dimensions - mini-review
    ChemPhysChem, 11/5, 963 (2010)     [ pdf ]

    2009

  22. S. Mazoyer, F. Ebert, G. Maret, P. Keim
    Dynamics of particles and cages in an experimental 2D glass former
    Europhys. Lett. 88, 66004 (2009)     [ pdf ]
  23. L. Assoud, F. Ebert, P. Keim, R. Messina, G. Maret, H. Löwen
    Crystal nuclei and structural correlations in two-dimensional colloidal mixtures: experiment versus simulation
    J. Phys. Cond. Mat. 21, 464114 (2009)     [ pdf ]
  24. F. Ebert, P. Dillmann, G. Maret, P. Keim
    The experimental realization of a two-dimensional colloidal system
    Rev. Sci. Inst. 80, 083902 (2009)     [ pdf ]
  25. F. Ebert, G. Maret, P. Keim
    Partial clustering prevents global crystallization in a binary 2D colloidal glass former
    Euro. Phys. J. E, 29, 311 (2009)     [ pdf ]
  26. L. Assoud, F. Ebert, P. Keim, R. Messina, G. Maret, H. Löwen
    Ultra-fast quenching of binary colloidal suspensions in an external magnetic field
    Phys. Rev. Lett. 102, 238301 (2009)     [ pdf ]

    2008

  27. P. Dillmann, G. Maret, P. Keim
    Polycrystalline solidification in a quenched 2D colloidal system
    J. Phys. Cond. Mat. 20, 404216 (2008)     [ pdf ]
  28. K. Franzrahe, P. Nielaba, A. Ricci, K. Binder, S. Sengupta, P. Keim, G. Maret
    Field induced ordering phenomena and non-local elastic compliance in two dimensional colloidal crystals
    J. Phys. Cond. Mat. 20, 404218 (2008)     [ pdf ]
  29. K. Franzrahe, P. Keim, G. Maret, P. Nielaba, S. Sengupta
    Nonlocal elastic compliance for soft solids: Theory, simulations, and experiments
    Phys. Rev. E 78, 026106 (2008)     [ pdf ]
  30. F. Ebert, P. Keim, G. Maret
    Local crystalline order in a 2D colloidal glass former
    Euro. Phys. J. E 26, 161 (2008)     [ pdf ]
  31. U. Gasser, G. Maret, P. Keim
    Schmelzen zweidimensionaler Kristalle durch topologische Defekte
    Physik in unserer Zeit 39/1 36 (2008)     [ pdf ]

    2007

  32. P. Keim, G. Maret, H.H. von Grünberg
    Frank's constant in the hexatic phase
    Phys. Rev. E 75, 031402 (2007)     [ pdf ]
  33. gompper H.H. von Grünberg, P. Keim, G. Maret
    Soft Matter Volume 3, Chapter 2
    Edited by G. Gompper and M. Schick
    WILEY-VCH Verlag Weinheim, Februar 2007     [ pdf ]

    2005

  34. J. Zanghellini, P. Keim, H.H. von Grünberg
    The softening of two-dimensional colloidal crystals
    J. Phys. Cond. Mat. 17, 3579 (2005)     [ pdf ]
  35. H. Löwen, R. Messina, N. Hoffmann, C.N. Likos, C. Eisenmann, P. Keim, U. Gasser, G. Maret, R. Goldberg, T. Palberg
    Colloidal layers in magnetic fields and under shear flow
    J. Phys. Cond. Mat. 17, 3379 (2005)     [ pdf ]
  36. C. Eisenmann, U. Gasser, P. Keim, G. Maret, H.H. von Grünberg
    Pair Interaction of Dislocations in Two-Dimensional Crystals
    Phys. Rev. Lett. 95, 185502 (2005)     [ pdf ]
  37. V.A. Froltsov, C.N. Likos, H. Löwen, C. Eisenmann, U. Gasser, P. Keim, G. Maret
    Anisotropic mean-square displacements in two-dimensional colloidal crystals of tilted dipoles
    Phys. Rev. E 71, 031404 (2005)     [ pdf ]

    2004

  38. H.H. von Grünberg, P. Keim, K. Zahn, G. Maret
    Elastic behavior of a two-dimensional crystal near melting
    Phys. Rev. Lett. 93, 255703 (2004)     [ pdf ]
  39. C. Eisenmann, U. Gasser, P. Keim, G. Maret
    Anisotropic defect-mediated melting of two-dimensional colloidal crystals
    Phys. Rev. Lett. 93, 105702 (2004)     [ pdf ]
  40. C. Eisenmann, P. Keim, U. Gasser, G. Maret
    Melting of anisotropic colloidal crystals in 2D
    J. Phys. Cond. Mat. 16, 4095 (2004)     [ pdf ]
  41. P. Keim, G. Maret, U. Herz, H.H. von Grünberg
    Harmonic lattice behavior of two-dimensional colloidal crystals
    Phys. Rev. Lett. 92, 215504 (2004)     [ pdf ]