| Issue |
EPL
Volume 97, Number 2, January 2012
|
|
|---|---|---|
| Article Number | 23001 | |
| Number of page(s) | 4 | |
| Section | Atomic, Molecular and Optical Physics | |
| DOI | https://doi.org/10.1209/0295-5075/97/23001 | |
| Published online | 03 January 2012 | |
Formulation of relativistic Doppler-broadened absorption line profile
Department of Physics, Soochow University - Shih-Lin, Taipei 111, Taiwan
Received:
10
November
2011
Accepted:
29
November
2011
The relativistic Doppler-broadened profile of an absorption line due to the thermal motion of light-absorbing particles is formulated. The obtained profile of an absorption line is asymmetrically broadened with more weight in the redshift wing than in the blueshift wing. Moreover, the peak frequency of the profile of an absorption line evinces red-shifting with increasing temperature.
PACS: 32.70.Jz – Line shapes, widths, and shifts / 03.30.+p – Special relativity
© EPLA, 2012
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