Neutrino Oscillations in the Robertson-Walker Metric and the Cosmological Blue Shift of the Oscillation Length

被引:5
|
作者
Ren, Jun [1 ]
Liu, Hui [1 ]
机构
[1] Hebei Univ Technol, Sch Sci, Tianjin 300130, Peoples R China
关键词
Neutrino oscillation; R-W metric; Expansion of the universe; Oscillation length; SPACE-TIME; GRAVITATIONAL-FIELDS; FLAVOR OSCILLATIONS; INTERFERENCE PHASE; GENERAL TREATMENT; CP VIOLATION; MASS; TORSION; SUPERNOVAE; MATTER;
D O I
10.1007/s10773-010-0473-4
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The Doppler effect of the neutrino oscillation length in the flat space is discussed. When the observer travels away from the source, the oscillation length decreases. Moreover, the mass neutrino oscillation in the Robertson-Walker metric is studied, and the general equations of the oscillation phases are given. We obtain the relation between the phase and the scale factor. The expansion of the universe leads to the reduction of the oscillation length (blue shift), which is contrary to the red shift of the light ray.
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页码:2805 / 2814
页数:10
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