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- Publisher
- American Physical Society (APS)
- Copyright
- © American Physical Society
- ISSN
- 0031-899X
- DOI
- 10.1103/PhysRev.122.1218
- Publisher site
- See Article on Publisher Site
Abstract
By using the classical Fourier integral theory, an expression is given for the shape of a spectral line, broadened by phase changes due to collisions and by the actual changes in velocity of the emitting particles resulting from collisions. The result is not a simple Voigt-type folding of an exponential into a dispersion distribution; it exhibits the contraction noted by Dicke and leads to the usual formulas when the time interval between path-deflecting or phase-disturbing collisions becomes very great.
Journal
Physical Review – American Physical Society (APS)
Published: May 15, 1961