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Experimental evidence of a fractal dissipative regime in high-Tc superconductors (CROSBI ID 86765)

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Prester, Mladen Experimental evidence of a fractal dissipative regime in high-Tc superconductors // Physical review. B, Condensed matter and materials physics, 60 (1999), 5; 3100-3103. doi: 10.1103/PhysRevB.60.3100

Podaci o odgovornosti

Prester, Mladen

engleski

Experimental evidence of a fractal dissipative regime in high-Tc superconductors

We report on our experimental evidence of a substantial geometrical ingredient characterizing the problem of incipient dissipation in high-Tc superconductors (HTS’s): high-resolution studies of differential resistance-current characteristics in the absence of magnetic field enabled us to identify and quantify the fractal dissipative regime inside which the actual current-carrying medium is an object of fractal geometry. The discovery of a fractal regime proves the reality and consistency of a critical-phenomena scenario as a model for dissipation in inhomogeneous and disordered HTS’s, gives the experimentally based value of the relevant finite-size scaling exponent, and offers some interesting new guidelines to the problem of pairing mechanisms in HTS’s.

dissipation ; high-Tc superconductors ; fractals

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Podaci o izdanju

60 (5)

1999.

3100-3103

objavljeno

1098-0121

1550-235X

10.1103/PhysRevB.60.3100

Povezanost rada

Fizika

Poveznice
Indeksiranost