| 单词 | quantum electrodynamics |
| 释义 | > as lemmasquantum electrodynamics quantum electrodynamics n. the branch of quantum field theory concerned with the electromagnetic field and its interaction with electrically charged particles; abbreviated QED. ΘΚΠ the world > matter > physics > quantum theory > quantum mechanics > quantum electrodynamics > [noun] quantum electrodynamics1927 QED1969 1927 Proc. Royal Soc. A. 114 243 Hardly anything has been done up to the present on quantum electrodynamics. 1971 Sci. Amer. June 64/3 The laws of electricity and magnetism..embodied in the equations of quantum electrodynamics represent the one and only area in physics where a single quantitative description has proved valid over the entire range of experiments for which it has been tested. 1997 Economist 1 Feb. 106/1 A branch of quantum theory known as quantum electrodynamics ( qed) says that a vacuum, far from being static or empty, teems with transient ‘virtual’ particles..that keep popping weirdly into existence and then disappearing again. < as lemmas |
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