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单词 Einstein temperature
释义

Einstein temperature

英语百科

Einstein solid

Heat capacity of an Einstein solid as a function of temperature. Experimental value of 3Nk is recovered at high temperatures.

The Einstein solid is a model of a solid based on two assumptions:

While the assumption that a solid has independent oscillations is very accurate, these oscillations are sound waves or phonons, collective modes involving many atoms. In the Einstein model, each atom oscillates independently. Einstein was aware that getting the frequency of the actual oscillations would be difficult, but he nevertheless proposed this theory because it was a particularly clear demonstration that quantum mechanics could solve the specific heat problem in classical mechanics.

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更新时间:2025/6/17 16:50:37