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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >Low temperature resonances in the electron heat capacity of finite systems
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Low temperature resonances in the electron heat capacity of finite systems

机译：有限系统电子热容量中的低温共振

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摘要

Temperature variations of the heat capacity (C) are studied in a low temperature regime T < delta(F) similar to epsilon(F)/N for 2D and 3D systems with N similar to 10(2)-10(4) treated as a canonical ensemble of N-noninteracting fermions. The analysis of C is performed by introducing the function phi(epsilon), the spectral distribution of C, that gives the contribution of each single-particle state to C. This function has two peaks divided by the energy interval Delta epsilon approximate to (2-5)T. If at some temperature T-res a resonance takes place i.e. the positions of these peaks coincide with energies of two levels nearest to epsilon(F) then C vs T can show a local maximum at T-res. This gives us the possibility to assess the single-particle level spacings near the Fermi level.
机译：对于2D和3D系统，在类似于N的10（2）-10（4）的低温系统T

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