Volume 65, Number 2, January 2004
|Page(s)||249 - 255|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|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: firstname.lastname@example.org
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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