High Energy Particle Physics


Estimating Lamb Shift by Using Virtual Photons

Authors: Zhi Cheng

The virtual photon can be used to calculate the ground state energy levels of hydrogen atom and helium atom. The calculation method is relatively simple and easy to understand. The Lamb shift is a problem in quantum electrodynamics. To explain the causes of Lamb's shift, more complex calculations and various assumptions are needed. It is tested that there is a clear difference between the 2S1/2 orbital of the hydrogen atom and the 2P1/2 orbital, which involves the virtual photon exchange between the electron and the proton, which inevitably causes the difference of the virtual photon exchange mode. The difference in the way of this virtual photon exchange may cause the energy loss of the electron proton interactions of the 2S1/2 orbital and 2P1/2 orbital to differ. Through the calculations in this paper, it is found that if the 2S1/2 orbital virtual photon exchange requires additional transmission of a longer distance, the efficiency of virtual photon energy exchange will be slightly reduced. Thus the energy lost by the 2S1/2 orbital is less than the energy lost by the 2P1/2 orbital. This difference in energy reflects Lamb's shift. The calculation results are consistent with the experimental results on the order of magnitude. This suggests that Lamb shift may also be caused by changes in the efficiency of virtual photon exchange between particles.

Comments: 24 Pages. 1 figure; Include Chinese version

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Submission history

[v1] 2018-12-19 20:51:50

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