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Universal Properties at the Quantum Superconductor-to-Insulator Transition of Cuprates (2000)

Schneider, T. ; Singer, J. M.

Springer

Journal of superconductivity 13 (2000), S. 789-791

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ISSN: 1572-9605

Schlagwort(e): cuprates ; quantum superconductor-to-insulator transition ; universal properties

Quelle: Springer Online Journal Archives 1860-2000

Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik

Notizen: Abstract We sketch the universal critical properties of a quantum superconductor to insulator transition in two spatial dimensions, using the scaling theory of quantum critical phenomena. Comparison with experimental data reveals that the resulting universal relations among transition temperature, zero temperature penetration depth, and residual resistivity, as well as for the asymptotic linear temperature dependence of the penetration depth, appear to apply in a rather extended doping regime, ranging from the underdoped limit up to the nearly optimum dopant concentration. This behavior uncovers the dominant role of quantum fluctuations in this doping regime.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1007838904151

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