... observer.1ab initio (approach, theory, calculations)ab initio (approach, theory, calculations) – Latin meaning ‘‘from the beginning’’. Itsupposes that primary postulates, also called first principles, form ... 1999).33. S. Ossicini, L. Pavesi, F. Priolo, Light Emitting Silicon for Microphotonics,Springer Tracts on Modern Physics 194 (Springer, Berlin, 2003).34. J. Pankove, Optical Processes in Semiconductors ... result,fast progressing nanoelectronics and optoelectronics, molecular electronics and spintronics, nano-fabrication and -manufacturing, bioengineering and quantumprocessing of information, an...