J. Phys. I France
Volume 5, Numéro 4, April 1995
Page(s) 451 - 453
DOI: 10.1051/jp1:1995138
J. Phys. I France 5 (1995) 451-453

A Direct Comparison of the Exponents of Superconductivity and Superelasticity Near the Percolation Threshold

L. Benguigui and P. Ron

Solid State Institute and Physics Department, Technion - Israel Institute of Technology, 32000 Haifa, Israel

(Received 25 December 1994, received in final form 28 December 1994, accepted 3 January 1995)

The divergences of the dielectric and elastic constants of gels filled with aluminum particles near the percolation threshold are investigated on the same samples. We found that the ratio of the two exponents s of the dielectric divergence and of $s^{\prime}$ of the elasticity divergence is $s^{\prime}/s=0.80 \pm 0.05$, showing definitely that $s^{\prime}< s$.

© Les Editions de Physique 1995

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