Czechoslovak Journal of Physics

, Volume 46, Supplement 3, pp 1827–1828 | Cite as

Van der Waals attraction between vortices in HTSC

  • Vadim Geshkenbein
  • Gianni Blatter
HTSC—Vortices (Theory)


In anisotropic/layered superconductors the interaction between vortex segments directed along theab-planes is of longer range than that between the segments directed along thec-axis. This is a consequence of the anisotropic screening properties, with currents flowing along thec-axis being screened on the scale λ/ε, whereas the currents flowing along theab-plane involve the planar Londen length λ (ε2 =m/M≪1 denotes the anisotropy parameter). We show that, as a result of these anisotropic screening properties, thermal fluctuations of the flux-lines produce an attractive “van der Waals”-type potentialV vdW between the vortices.


Vortex Vortex Line Single Vortex Vortex Dipole Cumulant Expansion 
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Copyright information

© Institute of Physics, Acad. Sci. CR 1996

Authors and Affiliations

  • Vadim Geshkenbein
    • 1
  • Gianni Blatter
    • 1
  1. 1.Theoretische PhysikETH-HönggerbergZürichSwitzerland

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