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Exact propagating nonlinear singular disturbances in strongly coupled dusty plasmas

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arxiv 1110.6539 v1 pith:PXILXNWP submitted 2011-10-29 physics.plasm-ph

Amita Das , Sanat Kumar Tiwari , Predhiman Kaw , Abhijit Sen This is my paper · ORCID
classification physics.plasm-ph
keywords nonlinearsolutionscoupleddustylikelongitudinalmodelpropagating
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The nonlinear longitudinal response of a strongly coupled dusty plasma system is analytically investigated using the Generalized Hydrodynamic (GHD) model. It is shown that the Galilean invariant form of the model does not have soliton solutions, but can support a variety of nonlinear singular (yet conservative) solutions like shock structures of zero strength and propagating solutions with cusp like singularities. These novel entities should be detectable in numerical simulations and experiments studying large amplitude longitudinal excitations in such systems.

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