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Meissner Effect
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Details
The Meissner effect is the expulsion of a magnetic field from a superconductor during its transition to the superconducting state. Walter Meissner and Robert Ochsenfeld discovered the phenomenon in 1933 by measuring the magnetic field distribution outside superconducting tin and lead samples. The samples, in the presence of an applied magnetic field, were cooled below what is called their superconducting transition temperature. Below the transition temperature the samples cancelled all magnetic field inside, which means they became perfectly diamagnetic. They detected this effect only indirectly; because the magnetic flux is conserved by a superconductor, when the interior field decreased the exterior field increased. The experiment demonstrated for the first time that superconductors were more than just perfect conductors and provided a uniquely defining property of the superconducting state.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130735180
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Genre Physik & Astronomie
- EAN 9786130735180
- Format Fachbuch
- Titel Meissner Effect
- Herausgeber Alphascript Publishing
- Anzahl Seiten 68
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