[en] The electronic contribution to the specific heat and the thermal conductivity of high-T-c superconductors is calculated with a three-dimensional band structure including saddle points and a Lawrence-Doniach coupling between the CuO2 planes. The electronic thermal diffusivity is deduced for s- and d-wave symmetry of the order parameter. Data on DyBa2Cu3O7-y and Y0.9Ca0.1Ba2Cu3O7-z and theory are in good agreement on the change of the slope near T-c.
Disciplines :
Physics
Author, co-author :
Dorbolo, Stéphane ; Université de Liège - ULiège > Département de physique > Physique statistique
Bougrine, Hassan ; Université de Liège - ULiège > CARE "Le Réseau des bibliothèques" > Bibliothèque des Sciences et Techniques
Ausloos, Marcel ; Université de Liège - ULiège > Département de physique > Physique statistique appliquée et des matériaux - S.U.P.R.A.S.
Language :
English
Title :
Electronic contribution to the thermal diffusivity: DyBa2Cu3O7-y and Y0.9Ca0.1Ba2Cu3O7-z
Publication date :
1998
Journal title :
International Journal of Modern Physics. B
ISSN :
0217-9792
Publisher :
World Scientific Publishing Company, Singapore, Singapore
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Bibliography
P. M. Chaikin and T. C. Lubensky, Principles of Condensed Matter Physics (Cambridge University Press, Cambridge, 1995).
G. Rickayzen, in Superconductivity ed. R. D. Parks (M. Dekker, New York, 1969), Vol. 1, p. 79.
D. J. Scalapino. Phys. Rep. 250, 329 (1995).
M. Houssa and M. Ausloos, Phys. Rev. B54, 6126 (1996).
W. L. Kennedy, P. H. Seidel and G. C. Danielson, Adv. Energy Conv. 2, 53 (1962); H. Bougrine, J. F. Geys, S. Dorbolo, R. Cloots, J. Mucha, I. Nedkov and M.Ausloos, submitted for publication.
W. L. Kennedy, P. H. Seidel and G. C. Danielson, Adv. Energy Conv. 2, 53 (1962); H. Bougrine, J. F. Geys, S. Dorbolo, R. Cloots, J. Mucha, I. Nedkov and M.Ausloos, submitted for publication.
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