| 单词 | wave packet |
| 释义 | > as lemmaswave packet wave packet n. Physics a group of superposed waves which together form a travelling localized disturbance; esp. one described by the Schrödinger equation and regarded as representing a particle; cf. packet n. 3a. ΘΚΠ the world > matter > physics > quantum theory > quantum mechanics > wave mechanics > [noun] > localized disturbance packet1928 wave packet1928 1928 Proc. Royal Soc. 1927–8 A. 117 276 Schrödinger has shown that for a harmonic oscillator a wave packet can be constructed which, though it spreads in the intermediate states, always returns to its original form at each end of the swing. 1955 F. L. Friedman & V. F. Weisskopf in W. Pauli Niels Bohr & Devel. Physics 153 More insight into this equation is provided by examining the time behaviour of a neutron wave packet. 1968 G. Ludwig Wave Mech. i. iv. 47 A wave packet is not to be regarded as an approximation to a corpuscle, so that the corpuscles are in fact more or less extended waves, but the 4-wave determines only the probability..of the position of the corpuscles. 1979 Nature 22 Mar. 312/1 Observations in Massachusetts Bay of high-frequency internal wave packets indicate that they are caused by lee waves generated outside a submarine bank at the Bay's seaward margin during ebb tide. < as lemmas |
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