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Determination of the interactions in confined macroscopic Wigner islands: theory and experiments

Author

Listed:
  • P. Galatola
  • G. Coupier
  • M. Saint Jean
  • J.-B. Fournier
  • C. Guthmann

Abstract

Macroscopic Wigner islands present an interesting complementary approach to explore the properties of two-dimensional confined particles systems. In this work, we characterize theoretically and experimentally the interaction between their basic components, viz., conducting spheres lying on the bottom electrode of a plane condenser. We show that the interaction energy can be approximately described by a decaying exponential as well as by a modified Bessel function of the second kind. In particular, this implies that the interactions in this system, whose characteristics are easily controllable, are the same as those between vortices in type-II superconductors. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Suggested Citation

  • P. Galatola & G. Coupier & M. Saint Jean & J.-B. Fournier & C. Guthmann, 2006. "Determination of the interactions in confined macroscopic Wigner islands: theory and experiments," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 50(4), pages 549-557, April.
    • Handle: RePEc:spr:eurphb:v:50:y:2006:i:4:p:549-557
    DOI: 10.1140/epjb/e2006-00183-0
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