: Particle in a box, harmonic oscillators, and hydrogen-like atoms.
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Quantum mechanics is a branch of physics that deals with the behavior of matter and energy at an atomic and subatomic level. It provides a new and fundamental way of understanding the physical world, which is different from classical mechanics. Quantum mechanics is based on wave-particle duality, uncertainty principle, and the principles of superposition and entanglement. : Particle in a box, harmonic oscillators, and
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