We consider the following X‐ray free electron lasers Schrödinger equation (i∇−A)2u+V(x)u−μ|x|u=1|x|∗|u|2u−K(x)|u|q−2u,x∈ℝ3,$$ {\left(i\nabla -A\right)}^2u+V(x)u-\frac{\mu }{\mid x\mid }u=\left(\frac{1}{\mid x\mid}\ast {\left|u\right|}^2\right)u-K(x){\left|u\right|}^{q-2}u,x\in {\mathbb{R}}^3, $$ where A∈Lloc2(ℝ3,ℝ3)$$ A\in {L}_{loc}^2\left({\mathbb{R}}^3,{\mathbb{R}}^3\right) $...