In this paper we are concerned with the existence and concentration of positive solutions for the following
class of elliptic system
(S)
⎧⎪
⎪⎨⎪
⎪⎩
− 2 u +W(x)u =Qu(u, v) in RN,
− 2 v +V (x)v =Qv(u, v) in RN,
u(x), v(x)→0 as |x|→∞,
u, v >0 in RN,
where V ,W are nonnegative Hölder continuous functions andQis a p-homogeneous function with 2