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The expulsion of magnetic flux when a material becomes superconducting in a magnetic field. If the magnetic field is applied after the material has become superconducting, the flux cannot penetrate it.
- ‘This effect is called the Meissner effect after the name of its discoverer.’
- ‘Such a phenomenon, called the Meissner effect, shows that a superconductor is not a perfect conductor with infinite conductivity.’
- ‘This property of the superconducting state is known as the Meissner effect.’
- ‘The Osaka group has shown that its resistance drops by 10% at the critical temperature and it has a Meissner effect that is comparable with a reference sample of superconducting indium at 3.2 K.’
- ‘In the past, the Meissner effect has been used to levitate a dipole magnet placed on the surface of a superconductor.’
1930s; named after Fritz W. Meissner (1882–1974), German physicist.
Meissner effect/ˈmīsnər əˌfekt/
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