Bloch-Siegert位移在天体物理测定基本常数变化中的应用
Bloch-Siegert shift in application to the astrophysical determination of the fundamental constants variation
摘要：
在天体物理条件下，即把具有强表面磁场的恒星作为强辐射源时，我们计算了不同磁场强度值下的布洛赫-西格特位移。发现在研究基本常数随时间的变化时，应考虑谐振频率的附加漂移。得出的主要结论是，在确定相应频率的每种特殊情况下，都应仔细考虑电磁场偏移的影响。
英文摘要：
We have evaluated the Bloch-Siegert shift for the different values of magnetic field's strengths defined at astrophysical conditions, i.e. when the stars with the strong surface magnetic fields are taken as a powerful pumping source of radiation. It is found that the additional shift of resonant frequency should be taken into account in the search for the time variation of the fundamental constants. The main conclusion is that the influence of the electromagnetic field shift should be considered carefully in each special case of the corresponding frequency determination.
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