Abstract

The  development  of  the  quantum  theory  has  been  on  –  going  for  many  years.  The  wave  –  particle  duality  has  been  and  is  central  to  debates  among  physicists,  in  their  endeavor  to understand and bring more insight about the quantum theory. In this paper attempts by physicists to clarify the wave – particle duality are discussed. The wave or particle or both state of matter is analyzed, followed by discussion on the criticisms on de Broglie equation. Lastly, the paper concludes that debates on the wave – particle duality will continue since there is no consensus yet among physicists, and that experimental evidence should be given to substantiate claims.

Keywords

quantum theory, wave – particle duality, de brogile equation