Quasiparticles are emergent collective excitations that arise in complex systems, such as solids, liquids, or gases. They can be thought of as "particles" that represent the collective behavior of many underlying particles, which interact with each other in a way that can lead to new macroscopic properties. Here are some key points about quasiparticles: 1. **Collective Behavior**: Quasiparticles emerge from the interactions among many particles in a medium.
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