Magnetic-flux entry into aligned Pb-Cd eutectic composites in the proximity-effect regime
| Autor: | M.P. Zaitlin |
|---|---|
| Rok vydání: | 1978 |
| Předmět: |
Superconductivity
Materials science Condensed matter physics Magnetic flux Magnetic field Vortex Condensed Matter::Soft Condensed Matter Physics::Fluid Dynamics Thermal conductivity Condensed Matter::Superconductivity Proximity effect (superconductivity) Lamellar structure Composite material Eutectic system |
| Zdroj: | Physical Review B. 18:3305-3312 |
| ISSN: | 0163-1829 |
| DOI: | 10.1103/physrevb.18.3305 |
| Popis: | The thermal conductivity of Pb-Cd lamellar eutectic composites was measured as a function of the applied magnetic field from 1 to 8 K. The directions of heat flow and magnetic field were parallel to each other and to the lamellae. For samples of large periodicity, the data are consistent with the theory of Dobrosavljevic and de Gennes in which the magnetic flux enters the Cd lamellae in the form of quantized vortices. The resulting decrease in thermal conductivity is interpreted in terms of Andreev scattering of quasiparticles at the pair-potential barrier of a vortex. These results are compared with similar measurements by Deutscher et al. on vapor-deposited Pb-Ag-Pb films. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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