A Novel Method to Solve Nonlinear Klein-Gordon Equation Arising in Quantum Field Theory Based on Bessel Functions and Jacobian Free Newton-Krylov Sub-Space Methods

Parand K.^*, Nikarya M.^†

The obtained graphs of solution for example 2 for c = 0.3 and several α, β. (a) α = 0.1, β = 1; (b) α = 0.2, β = 1; (c) α = 0.1, β = 10.