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|Title:||Existence domain of the compressive ion acoustic super solitary wave in a two electron temperature warm multi-ion plasma|
Super Solitary Wave
|Citation:||Physics of Plasmas, 24, 102111, doi: 10.1063/1.4993511|
|Abstract:||The transition of an ion acoustic solitary wave into a “supersoliton,” or a super solitary wave have been explored in a two electron temperature warm multi-ion plasma using the Sagdeev pseudopotential technique. It is generally believed that the ion acoustic solitary wave can be transformed to a super solitary wave only through a double layer. The present work shows that the transition route of an ion acoustic solitary wave to a super solitary wave is not unique. Depending on the electron temperature ratio, a regular solitary wave may transform to a super solitary wave either via the double layer, or through an extra-nonlinear solitary structure whose morphology differs from that of a regular one. These extra-nonlinear structures are associated with a fluctuation of the charge separation within the potential profile and are named as “variable solitary waves.” Depending on these analyses, the upper and lower bounds of a super solitary wave have been deciphered and its existence domain has been delineated in the parametric space. It reveals that super solitary waves are a subset of a more generalized class of extra-nonlinear solitary structures called variable solitary waves.|
|Appears in Collections:||UAS_Reprints|
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