鄙视 发表于 2025-3-26 23:48:22
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Theory of Ferromagnetism and the Ordering of Electronic Energy Levelsthe total spin value . We have proved the following theorem: E(S) <E(S’) if S>S.. Hence, the ground state is unmagnetized. The theorem also holds in two or three dimensions (although it is possible to have degeneracies) provided .(..,y.,Z.; …; x.,yn, Z.) is separately symmetric in the .... and ... THamper 发表于 2025-3-27 08:31:33
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Entropy Inequalities as those available for classical systems they are nonetheless powerful enough to establish the existence of the limiting mean entropy for translationally invariant states of quantum continuous systems.Oratory 发表于 2025-3-27 16:57:03
A Fundamental Property of Quantum-Mechanical Entropy of any assumptions on the detailed dynamics of a system. These properties are consequences of the definition of entropy as .) =—Tr. lnp (quantum), (1a) .(.) =- .. lnp (classical continuous), (1b) .)= .. Inp. (classical discrete), (1c) where Tr means trace, p is a density matrix in (1a), and . is a死亡率 发表于 2025-3-27 19:17:12
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