Broadening of the Lyman-alpha line of hydrogen by low-frequency electric fields in dense plasmas

Details Broadening of the Lyman-alpha line of hydrogen by low-frequency electric fields in dense plasmas Broadening of the Lyman-alpha line of hydrogen by low-frequency electric fields in dense plasmas

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979phrva..20..606g&link_type=abstract

Physical Review A - General Physics, 3rd Series, vol. 20, Aug. 1979, p. 606-615. Research supported by the Alexander von Humbol

Physics

14

Dense Plasmas, Electric Fields, H Lines, Lyman Alpha Radiation, Approximation, Doppler Effect, Field Theory (Physics), Hydrogen Ions, Low Frequencies, Schroedinger Equation, Stark Effect

Scientific paper

Using the quasistatic approximation as basis for the description of broadening by ion-produced fields and the impact approximation for electron-produced high-frequency fields, an analytic approximation procedure is developed and applied which allows for slow variations of the total field acting on a radiating atom. This low-frequency Stark broadening depends on the radiator velocity and is therefore correlated with the thermal Doppler broadening. The theory is extended to Lyman-alpha lines of hydrogenic ions.

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