Photon transport in a time‐dependent interstellar cloud | Zendy

BelleniMorante Aldo | Zendy; Monaco Roberto | Zendy; Pieraccini Sandra | Zendy

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Photon transport in a time‐dependent interstellar cloud

Author(s) -

BelleniMorante Aldo,

Monaco Roberto,

Pieraccini Sandra

Publication year - 2010

Publication title -

mathematical methods in the applied sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.719

H-Index - 65

eISSN - 1099-1476

pISSN - 0170-4214

DOI - 10.1002/mma.1274

Subject(s) - cloud computing , photon , interstellar cloud , function (biology) , set (abstract data type) , distribution (mathematics) , physics , distribution function , inverse problem , inverse , mathematics , interstellar medium , mathematical analysis , quantum mechanics , geometry , computer science , evolutionary biology , galaxy , biology , programming language , operating system

Photon transport is studied in an interstellar cloud occupying a time‐dependent region V ( t )⊂ℝ 3 . First, under the assumption that the surface ∂ V ( t ) is a known function of t ∈[0, t max ], a direct problem is set and proof of well‐posedness is sketched. Then, an inverse problem is examined, under the assumptions that the time behaviour of ∂ V ( t ) is unknown and the photon distribution function is measured at a location far from the cloud. Some numerical experiments are then provided. Copyright © 2010 John Wiley & Sons, Ltd.

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