Quantum beats refer to the oscillatory behavior observed in the interference patterns of quantum mechanical systems. This phenomenon arises from the coherent superposition of quantum states, leading to periodic variations in the observables of the system. Quantum beats have been studied in various fields of physics, such as atomic and molecular spectroscopy, quantum optics, and quantum information processing. By analyzing the quantum beats, researchers can gain insights into the dynamics and coherence properties of quantum systems, as well as develop new technologies based on quantum interference effects.