碎石
发表于 2025-3-30 11:47:04
A New Value of the Fine Structure Constant from Helium Fine Structure, the interaction of electrons with the electromagnetic field. If one assumes that quantum electrodynamics properly describes the electron-electron interaction in helium, one can use the measured fine structure intervals and the calculated values to precisely determine the fine structure constant α.
Asperity
发表于 2025-3-30 13:13:10
The Vacuum Polarization Correction in Muonic Atoms,for a possible breakdown of the present QED: It is difficult to accept that divergent but unphysical expressions appear in the theory. Is the theory still valid at small distances? Since the perturbation theory expands in powers of αZ, discrepancies might occur at high Z.
calumniate
发表于 2025-3-30 19:10:48
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字的误用
发表于 2025-3-30 21:12:48
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ACME
发表于 2025-3-31 03:13:26
New Developments in Level Crossing Spectroscopy,surements of optical line structures, nor can it be used to study effects which influence the Doppler shape. So the range of application of the two methods — level crossing and high resolution optical spectroscopy — is clearly defined and it is evident that both should be improved and perfectioned.
柏树
发表于 2025-3-31 07:03:46
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Sinus-Node
发表于 2025-3-31 12:31:26
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Insul岛
发表于 2025-3-31 16:21:31
,Perspectives on “The Theory of Atomic Spectra”,rds. But although his work in other fields, such as the enunciation of the Franck-Condon principle, almost certainly made a greater impact on the development of physics, his book with Shortley has probably attracted more readers than any of his other writings.
下边深陷
发表于 2025-3-31 20:42:36
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朴素
发表于 2025-3-31 23:41:40
Neural Net Applications in Fuzzy Systemso as we are now beginning to discern how our approach to double excitation may eventually encompass the Wannier theory of threshold ionization and the transition to the Born and impulse approximations which are characteristic of higher-energy collisions. Remarks on this aspect will be made in a concluding section.