单词 | paschen-back effect |
释义 | Paschen-Back effect in American English (ˈpɑːʃənˈbɑːk) noun Physics a splitting of spectral lines observed when the source of a radiation is subjected to a strong magnetic field, caused when the vectors associated with the spin and orbital angular momentum exhibit individual rather than common precession Compare Zeeman effect Word origin [1920–25; named after Friedrich Paschen (1865–1947) and Ernst Back (1881–1959), German physicists] |
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