PATTERN FORMATION FOR A LOCAL/NONLOCAL INTERACTION FUNCTIONAL ARISING IN COLLOIDAL SYSTEMS

In this paper we study pattern formation for a physical local/nonlocal interaction functional where the local attractive term is given by the 1-perimeter and the nonlocal repulsive term is the Yukawa (or screened Coulomb) potential. This model is physically interesting as it is the Gamma-limit of a double Yukawa model used to explain and simulate pattern formation in colloidal systems. Following a strategy introduced in [S. Daneri and E. Runa, Arch. Ration. Mech. Anal., 231 (2019), pp. 519-589] we prove that in a suitable regime minimizers are periodic stripes in any space dimension.