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IPM
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YEARS OLD

“School of Physics”

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Paper   IPM / P / 12588
School of Physics
  Title:   Coulomb Interactions between Disordered Charge Distributions (contributed chapter in the book: Electrostatics of Soft and Disordered Matter)
  Author(s): 
1.  D.S. Dean
2.  A. Naji
3.  R.R. Horgan
4.  J. Sarabadani
5.  R. Podgornik
  Status:   Books
  Journal:
  Year:  2014
  Editor:  D.S. Dean, J. Dobnikar, A. Naji and R. Podgornik
  Publisher(s):   Pan Stanford Publishing
  Supported by:  IPM
  Abstract:
We review some of the recent results in the context of the Coulomb interaction between dielectric surfaces which are randomly charged but remain net-neutral on the average. Such surfaces are found to interact in vacuum with attractive long-range normal forces due to the presence of the quenched charge disorder which can compete with the standard Casimir-Van der Waals forces. They can also interact with random lateral forces and torques, which exhibit zero mean values but finite and long-range root-mean-square values. These effects can play an important role in Casimir experiments as well as in the interaction between solid surfaces as well as biomolecular surfaces that are often covered by disordered charge distributions.

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