%0 Journal Article %J Nano Lett. %D 2016 %T Photonic Torque Microscopy of the Nonconservative Force Field for Optically Trapped Silicon Nanowires %A Irrera, Alessia %A Magazzu, Alessandro %A Artoni, Pietro %A S. H. Simpson %A Hanna, Simon %A Jones, Philip H. %A Priolo, Francesco %A Gucciardi, Pietro Giuseppe %A Maragò, Onofrio M. %K MF %B Nano Lett. %V 16 %P 4181-4188 %G eng %R 10.1021/acs.nanolett.6b01059