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@ARTICLE{Lorenz:7064,
      author       = {Lorenz, B. and Persson, B. N. J.},
      title        = {{I}nterfacial separation between elastic solids with
                      randomly rough surfaces: comparison of experiment with
                      theory},
      journal      = {Journal of physics / Condensed matter},
      volume       = {21},
      issn         = {0953-8984},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PreJuSER-7064},
      pages        = {015003},
      year         = {2009},
      note         = {We are grateful to O D Gordan (IBN, FZ-Julich) for help
                      with preparing the PDMS rubber blocks. The authors would
                      like to thank Pirelli Pneumatici for support. This work, as
                      part of the European Science Foundation EUROCORES Program
                      FANAS, was supported from funds by the DFG and the EC Sixth
                      Framework Program, under contract N ERAS-CT-2003980409.},
      abstract     = {We study the average separation between an elastic solid
                      and a hard solid, with a nominally flat but randomly rough
                      surface, as a function of the squeezing pressure. We present
                      experimental results for a silicon rubber (PDMS) block with
                      a flat surface squeezed against an asphalt road surface. The
                      theory shows that an effective repulsive pressure acts
                      between the surfaces of the form p∼exp(-u/u(0)), where u
                      is the average separation between the surfaces and u(0) a
                      constant of the order of the root-mean-square roughness, in
                      good agreement with the experimental results.},
      keywords     = {J (WoSType)},
      cin          = {IFF-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB781},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK414},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:21817215},
      UT           = {WOS:000261517500015},
      doi          = {10.1088/0953-8984/21/1/015003},
      url          = {https://juser.fz-juelich.de/record/7064},
}