TY - JOUR A1 - F. Ruesink A1 - H. M. Doeleman A1 - R. Hendrikx A1 - A. F. Koenderink A1 - E. Verhagen AU - BT - Physical Review Letters DO - 10.1103/PhysRevLett.115.203904 IS - 20 LA - eng PY - 2015 EP - 203904 T1 - Perturbing Open Cavities: Anomalous Resonance Frequency Shifts in a Hybrid Cavity-Nanoantenna System T2 - Physical Review Letters TI - Perturbing Open Cavities: Anomalous Resonance Frequency Shifts in a Hybrid Cavity-Nanoantenna System VL - 115 Y1 - 2015 ER -