De Broglie's doctoral thesis is divided into seven chapters. In the first chapter, he elaborated the hypothesis that all physical particles in the quantum field are fluctuations in his previously published papers. This conjecture was first put forward by him.

Louis victor duckbroglie (1August 89215-1March 987 19), male, born in Dieppe, France, is a French theoretical physicist, the founder of matter wave theory and one of the founders of quantum mechanics.