Nonlinear theory of ion-acoustic waves in an electron-positron-ion plasma
- Sarov State Physical and Technical Institute (Russian Federation)
An analytical nonlinear gasdynamic theory of ion-acoustic waves in an e-p-i plasma is developed for the case in which all the plasma components in the wave undergo polytropic compression and rarefaction. An exact solution to the basic equations is found and analyzed by the Bernoulli pseudopotential method. The parameter range in which periodic waves can propagate and the range in which solitary waves (solitons) exist are determined. It is shown that the propagation velocity of a solitary is always higher than the linear ion sound velocity. The profiles of all the physical quantities in both subsonic and supersonic waves are calculated. The results obtained agree well with both the data from other papers and particular limiting cases.
- OSTI ID:
- 21406064
- Journal Information:
- Plasma Physics Reports, Journal Name: Plasma Physics Reports Journal Issue: 1 Vol. 35; ISSN PPHREM; ISSN 1063-780X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
CHARGED PARTICLES
ELECTRONS
ELEMENTARY PARTICLES
EXACT SOLUTIONS
FERMIONS
ION ACOUSTIC WAVES
ION WAVES
IONS
LEPTONS
MATHEMATICAL SOLUTIONS
MATTER
NONLINEAR PROBLEMS
PLASMA
PLASMA WAVES
POSITRONS
QUASI PARTICLES
SOLITONS
VELOCITY
WAVE PROPAGATION