The Monte Carlo method for multilevel problems of radiation transfer with allowance for processes in the continuum

Details The Monte Carlo method for multilevel problems of radiation transfer with allowance for processes in the continuum The Monte Carlo method for multilevel problems of radiation transfer with allowance for processes in the continuum

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982azh....59..605s&link_type=abstract

(Astronomicheskii Zhurnal, vol. 59, May-June 1982, p. 605-607.) Soviet Astronomy, vol. 26, May-June 1982, p. 366, 367. Translat

Astronomy and Astrophysics

Astronomy

Astronomical Models, Continuous Spectra, Monte Carlo Method, Radiative Transfer, Iteration, Photons

Scientific paper

A scheme is proposed for solving multilevel problems of radiation transfer by the Monte Carlo method for cases when allowance must be made for processes of photon emission and absorption in the continuous spectrum. The model of the radiation field is created through the emission of model photons, each of which represents a certain number of real photons. In the emission of a model photon the emission point, direction of travel, and deviation from the central frequency of the line are quantities assigned through definite random laws. The model photon's loss of weight (the number of real photons represented by it) via absorption is accounted for by an iterative process which is continued until a sufficient level of agreement is reached between the model population distribution and the model radiation field. The number of iterations needed is generally on the order of the maximum optical depth in all transitions.

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