= Debye function
{wiki=Debye_function}
The Debye function is a mathematical function that arises in the study of thermal properties of solids, particularly in the context of specific heat and phonon statistics. It is named after the physicist Peter Debye, who introduced it in the early 20th century as part of his work on heat capacity in crystalline solids. The Debye function is used to describe the contribution of phonons (quantized modes of vibrations) to the heat capacity of a solid at low temperatures.
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