In this paper, we first study the existence of ground state solutions
for the following Schrödinger systems { − ∆ u + V ∞ u = G u ( u , v ) ,
x ∈ R N , − ∆ v + V ∞ v = G v ( u , v ) , x ∈ R N , u , v >
0 , u , v ∈ H 1 ( R N ) , where

In this paper, we first study the existence of ground state solutions
for the following Schrödinger systems { − ∆ u + V ∞ u = G u ( u , v ) ,
x ∈ R N , − ∆ v + V ∞ v = G v ( u , v ) , x ∈ R N , u , v >
0 , u , v ∈ H 1 ( R N ) , where