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Physics
Quantum Physics
Physical question about Phonons
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[QUOTE="CGandC, post: 6355224, member: 620168"] [B]TL;DR Summary:[/B] If I hit some material/give any energy to it, are phonons created? Hi, I have a question regarding Phonons and daily experience: Let's say I have a table and I hit it, does it mean Phonons were created where I've hit on the table? Meaning: By hitting the table, I'm giving energy to it, this energy goes to the motion of the table atoms, and this motion of the atoms is translated to Phonon motion ( so I've created Phonons )? Another question: Phonons represent collective and ordered motion of atoms , meaning - Phonons represent normal modes. Therefore, if the motion of the table atoms is looking random after I've hit the table, then this just means that I've created Phonons with various normal modes, and the superposition of these normal modes gives me the random-looking motion of the table atoms. Am I correct? Thanks in advance. [/QUOTE]
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Physical question about Phonons
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