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单词 Van Vleck paramagnetism
释义 Van Vleck paramagnetism
[van `vlek ¦par·ǝ`mag·nǝ´tiz·ǝm]
QUANTUM MECHANICS
The paramagnetism of a collection of atoms, ions, or molecules, as computed by quantum theory; the atoms, ions, or molecules in a magnetic field are distributed among the various allowed energy levels according to a Boltzmann distribution, and the magnetization of the system is computed by finding the average component of angular momentum parallel to the field.
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