Exact solitary waves exist for the generalized PT-symmetric nonlinear Dirac equation with power-law nonlinearity, conserving energy and momentum with the PT transition independent of the nonlinearity exponent and stability restricted by gain-loss and higher nonlinearity.
The nonlinear Schr¨ odinger equatio n with generalized nonlinearities and P T -symmetric potentials: Stable solitons, interactions, an d excitations
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Generalized PT-symmetric nonlinear Dirac equation: exact solitary waves solutions, stability and conservation laws
Exact solitary waves exist for the generalized PT-symmetric nonlinear Dirac equation with power-law nonlinearity, conserving energy and momentum with the PT transition independent of the nonlinearity exponent and stability restricted by gain-loss and higher nonlinearity.