| Issue |
Europhys. Lett.
Volume 65, Number 2, January 2004
|
|
|---|---|---|
| Page(s) | 249 - 255 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2003-10075-5 | |
| Published online | 01 January 2004 | |
On the energy saved by interlayer interactions in the superconducting state of cuprates
Department of Physics, University of Illinois - Urbana, IL 61801-3080, USA
Corresponding author: fmrama@usc.es
Received:
25
August
2003
Accepted:
13
November
2003
A Ginzburg-Landau–like functional is proposed reproducing the
main low-energy features of various possible high-
superconducting mechanisms involving energy savings due to
interlayer interactions. The functional may be used to relate
these savings to experimental quantities. Two examples are given,
involving the mean-field specific-heat jump at and
the superconducting fluctuations above . Comparison
with existing data suggests, e.g., that the increase of
due to the so-called interlayer tunneling (ILT)
mechanism of interlayer kinetic-energy savings is negligible in
optimally doped 
.
PACS: 74.20.-z – Theories and models of superconducting state / 74.20.De – Phenomenological theories (two-fluid, Ginzburg-Landau, etc.)
© EDP Sciences, 2004
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