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Modern Physics 2022
相干对量子热力学第一定律影响的研究
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Abstract:
量子热力学与经典热力学在本质上存在着很大的差异，同时又相互联系。在量子热力学的研究中，量子相干起着重要作用。本文通过研究原子自发辐射过程，发现了量子相干在热力学中的奇特行为；通过研究某个特定系统，选择不同的系统初态，发现系统对外做功所产生的热，以及相干动力学对系统内能均有贡献。研究结果对进一步完善量子热力学第一定律具有重要意义。
Quantum thermodynamics and classical thermodynamics are very different in essence, but they are related to each other. Quantum coherence plays an important role in the study of quantum thermodynamics. In this paper, the peculiar behavior of quantum coherence in thermodynamics is dis-covered by studying the process of atomic spontaneous radiation. Select different initial states of the system by studying a specific system, it is found that the heat generated by the external work of the system and coherent dynamics contribute to the internal energy of the system. The results are of great significance to the further improvement of the first law of quantum thermodynamics.
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