Title: Back-Of-the-Envelope Quantum Mechanics
Subjects: Qualitative research, Quantum theory, Many-body problem, Partial Differential equations, Théorie quantique, Problème des N corps, Équations aux dérivées partielles, SCIENCE, Energy, Mechanics, General, Physics, Quantenmechanik, Partielle Differentialgleichung, Vielkörperproblem