https://doi.org/10.1140/epjb/e2005-00349-2
Strong pair correlation in small metallic nanoclusters: the energy spectrum
1
L.D. Landau Institute for Theoretical Physics, Russian Academy of
Sciences, 117334, Moscow, Russia
2
Max-Planck Institute for Physics of Complex Systems, Dresden,
01187, Germany
3
Lawrence Berkeley Laboratory, University of California at Berkeley,
CA 94720, USA
Corresponding author: a vzkresin@lbl.gov
Received:
19
August
2005
Published online:
28
October
2005
The electronic shell structure in small metallic nanoclusters leads to high level degeneracy, which is strongly beneficial for the appearance of pair correlation. This results in a high value of Tc as well as in the appearance of a superconducting gap which causes a strong modification of the energy spectrum. The electronic energy spectrum becomes strongly temperature dependent. Consequently, specific experiments to demonstrate the presence of pair correlation can be proposed.
PACS: 74.20.-z – Theories and models of superconducting state / 74.70.-b – Superconducting materials / 74.78.Na – Mesoscopic and nanoscale systems
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2005
