Author:Dudley, Angela L; Majola, N; Chetty, N; Forbes, ADate:25 Sep 2014In this work we construct coherent superpositions of Gaussian and vortex modes which can be described to occupy the complex-plane. We demonstrate how these fields can be experimentally constructed in a digital, controllable manner with a ...Read more
Author:Mashapa, MG; Chetty, N; Ray, Suprakas SDate:Oct 2012The effect of divacancies on the stability, structural and electronic properties of carbon and boron nitride nanotubes is studied using the ab initio density functional method. VBBN is more stable in the boron-rich and less stable in the ...Read more