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Spontaneous Magnetization
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High Quality Content by WIKIPEDIA articles! Spontaneous magnetization is the term used to describe the appearance of an ordered spin state (magnetization) at zero applied magnetic field in a ferromagnetic or ferrimagnetic material below a critical point called the Curie temperature or TC. At temperatures above TC, the material is paramagnetic and its magnetic behavior is dominated by spin waves or magnons, which are boson collective excitations with energies in the meV range. The magnetization that occurs below TC is a famous example of the "spontaneous" breaking of a global symmetry, a phenomenon that is described by Goldstone's theorem. The term "symmetry breaking" refers to the choice of a magnetization direction by the spins, which have spherical symmetry above TC, but a preferred axis (the magnetization direction) below TC.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130519582
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Genre Physik & Astronomie
- EAN 9786130519582
- Format Kartonierter Einband
- Titel Spontaneous Magnetization
- Herausgeber Betascript Publishing
- Anzahl Seiten 72
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