👉 In quantum mechanics, an "eigenstate" refers to a state of a physical system that is a direct product of its own wavefunction. This means that if you look at a particle's energy level (or any other observable property), it is always determined by the state of that particle. The eigenvalues and eigenvectors of a quantum mechanical system represent the possible states of the system, and they determine how well the system behaves under various conditions. In the context of physics and quantum mechanics
