In the previous chapter, a crystal was defined as a periodic arrangement of atoms. The equilibrium positions of the atoms in such arrangement correspond to the minimum of the potential energy of the system. Around the equilibrium positions, the atoms of the crystal vibrate with their thermal energy.
CITATION STYLE
Jacoboni, C. (2010). Phonons. In Springer Series in Solid-State Sciences (Vol. 165, pp. 49–68). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-642-10586-9_5
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