Unified Theory of Wave-Particle Duality, the Schr\"odinger Equations,   and Quantum Diffraction
  Individual quantum objects display inseparable coexisting wave-like properties and particle-like properties; such inseparable coexistence can seem paradoxical and mind-boggling. The apparent paradox is resolved by the unified theory of wave-particle duality developed in this paper. Based on the unified theory of wave-particle duality, a straightforward derivation of the Schr\"odinger equations is presented where previously no such derivation was considered to be possible. A new theory of quantum diffraction is subsequently developed. 
Greyson Gilson
physics.gen-ph