Regensburg 2004 – wissenschaftliches Programm
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TT: Tiefe Temperaturen
TT 8: Postersitzung I: Supraleitung
TT 8.48: Poster
Montag, 8. März 2004, 14:30–19:00, Poster A
Budd-Vannimenus theorem for superconductors — •K. Morawetz2,3, P. Lipavský1, Jan Koláček1, J.J. Mares1, E.H. Brandt3, and M. Schreiber2 — 1Institute of Physics, Academy of Sciences, Cukrovarnická 10, 16258 Praha 6, Czech Republic — 2Istitute of Physics, Chemnitz University of Technology, 09107 Chemnitz, Germany — 3Max-Planck-Institute for the Physics of Complex Systems, Nöthnitzer Str. 38, 01187 Dresden, Germany
The Budd-Vannimenus theorem is generalized to apply to superconductors in the Meissner state. This identity links the surface value of the electrostatic potential to the free energy in the bulk which allows one to evaluate the observed potential without the explicit solution of the charge profile at the surface.
[1] P. Lipavský, K. Morawetz, J. Koláček, J. J. Mareš, E. H. Brandt, M. Schreiber, Phys. Rev. B in press (2003), cond-mat/0311166
[2] P. Lipavský, K. Morawetz, J. Koláček, J. J. Mareš, E. H. Brandt, M. Schreiber, Phys. Rev. B submitted, cond-mat/0311167