TITLE

Effects of ion-temperature on propagation of the large-amplitude ion-acoustic solitons in degenerate electron-positron-ion plasmas

AUTHOR(S)
Akbari-Moghanjoughi, M.
PUB. DATE
August 2010
SOURCE
Physics of Plasmas;Aug2010, Vol. 17 Issue 8, p082315
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Large-amplitude ion-acoustic solitary wave (IASW) propagation and matching criteria of existence of such waves are investigated in a degenerate dense electron-positron-ion plasma considering the ion-temperature as well as electron/positron degeneracy effects. It is shown that the ion-temperature effects play an important role in the existence criteria and allowed Mach-number range in such plasmas. Furthermore, a fundamental difference is remarked in the existence of supersonic IASW propagations between degenerate plasmas with nonrelativistic and ultrarelativistic electrons and positrons. Current study may be helpful in astrophysical as well as the laboratory inertial confinement fusion-research.
ACCESSION #
53421724

 

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