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arXiv 1904.03363cond-mat.stat-mech
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用量子分析推导广义熵的密度算符

Derivation of density operators for generalized entropies with quantum analysis

Masamichi Ishihara

摘要:

用量子分析方法给出了密度算符的一个简单推导。我们讨论了密度算子的泛函,并应用最大熵原理。在$q$ -期望值(护送平均)下,我们很容易地得到了Tsallis熵和Rényi熵的密度算子,在常规期望值下,我们也很容易地得到了Boltzmann-Gibbs熵和Burg熵的密度算子.量子分析在计算含迹泛函的变分时是有效的。

英文摘要:

We gave a simple derivation of density operator with the quantum analysis. We dealt with the functional of a density operator, and applied maximum entropy principle. We obtained easily the density operators for the Tsallis entropy and Rényi entropy with the $q$-expectation value (escort average), and also obtained easily the density operators for the Boltzmann-Gibbs entropy and the Burg entropy with the conventional expectation value. The quantum analysis works effectively in the calculation of the variation of the functional which includes trace.

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