| Issue |
Europhys. Lett.
Volume 46, Number 6, June II 1999
|
|
|---|---|---|
| Page(s) | 794 - 800 | |
| Section | Condensed matter: electronic structure, electrical, magneticand optical properties | |
| DOI | https://doi.org/10.1209/epl/i1999-00334-5 | |
| Published online | 01 September 2002 | |
Heat capacity and upper critical field for inhomogeneous superconductors: Application to overdoped cuprates
1
L. D. Landau Institute for Theoretical Physics, Russian Academy
of Sciences Moscow, Russia
2
Lawrence Berkeley Laboratory, University of California - Berkeley,
CA 94720, USA
Received:
10
December
1998
Accepted:
15
April
1999
The presence of inhomogeneities has a great impact on the behavior
of the heat capacity, particularly near the critical temperature.
An expression for 
is derived for this case, and is used
to calculate the temperature dependence of the upper critical
field. The analysis is in good agreement with the experimental
data for overdoped cuprates.
PACS: 74.80.-g – Spatially inhomogeneous structures / 74.72.-h – High-Tc compounds / 74.62.Dh – Effects of crystal defects, doping and substitution
© EDP Sciences, 1999
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