Kerr effect induced by exchange interaction of electrons separated by a tunnel barrier in a double quantum wellRemoveV. K. Kalevich, K. V. Kavokin, M. M. Afanasiev, B. F. Gribakin, M. I. Kuzmenko, G. Karczewski, and Yu. G. KusrayevPhys. Rev. B 114, 185412 (2026)