TY - JOUR AU - Varchon, Nicolas TI - Optimal measures for the fundamental gap of Schrödinger operators JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2010 SP - 194 EP - 205 VL - 16 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2008069/ DO - 10.1051/cocv:2008069 LA - en ID - COCV_2010__16_1_194_0 ER -