Abstract
We have analyzed the formation of solitons in a beam plasma system consisting of warm relativistic negative ions. The subsequent destruction of the nonlinearity of Korteweg-deVries equation near the critical density of negative ions and evolution of the shock wave are discussed in detail. The physical attributes of the ion-acoustic solitary wave and shocks are depicted graphically for the plasmas having (H/sup +/, Cl/sup -/) ions, (H/sup +/, O/sup -/) ions, (H/sup +/, SF/sub 5//sup -/) ions, (He/sup +/, Cl/sup -/) ions. It is found that mass ratio of negative ions and positive ions, relativistic effect and negative ion concentration have important contribution on the formation of solitons and shocks in the plasma.
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