Volume 72, Number 3, November 2005
|Page(s)||327 - 333|
|Published online||05 October 2005|
Fermionic Casimir effect in case of Andreev reflection
Department of Physics, University of Washington - Seattle, WA 98195-1560, USA
2 Faculty of Physics, Warsaw University of Technology ul. Koszykowa 75, 00-662 Warsaw, Poland
3 Institut für Kernphysik, Forschungszentrum Jülich - D-52425 Jülich, Germany
Accepted: 14 September 2005
We describe the fermionic Casimir effect in the case of two spherical superfluid scatterers immersed in a normal Fermi system. It is shown that due to the focusing property of Andreev reflection this new Casimir-like energy is significantly enhanced when compared to the case of normal scatterers with specular reflection.
PACS: 03.65.Sq – Semiclassical theories and applications / 74.45.+c – Proximity effects; Andreev effect; SN and SNS junctions / 74.81.-g – Inhomogeneous superconductors and superconducting systems
© EDP Sciences, 2005
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