Nonlocal electromagnetic response of graphene nanostructures

Arya Fallahi,1,* Tony Low,2,3,4,* Michele Tamagnone,5 and Julien Perruisseau-Carrier5,† 1DESY-Center for Free-Electron Laser Science, Notkestrasse 85, D-22607 Hamburg, Germany 2Department of Physics and Electrical Engineering, Columbia University, New York, New York 10027, USA 3IBM T. J. Watson Research Center, Yorktown Heights, New York 10598, USA 4Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, USA 5Adaptive MicroNano Wave Systems, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland (Received 5 September 2014; revised manuscript received 16 February 2015; published 9 March 2015)