An Einstein solid is a model in statistical mechanics that describes a system of non-interacting oscillators, which can be used to understand the thermodynamic properties of solids. This model was proposed by Albert Einstein in 1907 as a way to explain the specific heat of solids, particularly at low temperatures. In the Einstein solid model, the following assumptions are made: 1. **Atoms as Oscillators:** Each atom in the solid is treated as an independent quantum harmonic oscillator.
One important quantum mechanics experiment, which using quantum effects explain the dependency of specific heat capacity on temperature, an effect which is not present in the Dulong-Petit law.
This is the solid-state analogue to the black-body radiation problem. It is also therefore a quantum mechanics-specific phenomenon.
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