Superposition: Superposition in quantum mechanics means that a particle can exist in multiple states simultaneously. It is a fundamental principle, stating that until observed, a particle's properties are in a blend of possible states, and only upon measurement, it assumes a definite state. See also Quantum Mechanics, Measurements, Principles, Observation._____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments. |