In this paper, we characterize the asymptotic behavior of a first-order
stationary mean-field game (MFG) with a logarithm coupling, a quadratic
Hamiltonian, and a periodically oscillating potential. This study falls into
the realm of the homogenization theory, and our main tool is the two-scale
convergence. Using this convergence, we rigorously derive the two-scale
homogenized and the homogenized MFG problems, which encode the so-called
macroscopic or effective behavior of the original oscillating MFG. Moreover, we
prove existence and uniqueness of the solution to these limit problems.Comment: 36 page