串通 发表于 2025-3-26 23:39:47

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向宇宙 发表于 2025-3-27 01:38:03

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Abnormal 发表于 2025-3-27 06:53:12

Introduction,pletely out of each other’s way. The ground state is a singlet and has the form.The functions ϕ.(.) are centered on atoms 1 and 2, and the spinors α and β refer to spin up and spin down, respectively.

呼吸 发表于 2025-3-27 10:47:51

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Glucocorticoids 发表于 2025-3-27 14:14:23

Finite-Temperature Techniques,n it is applied to a state |Φ⟩ it describes how this state evolves with time. This suggests treating β as imaginary time, which has the advantage of enabling us to develop a perturbation theory for finite temperatures, a straightforward generalization of the perturbation treatment of the time evolution operator at . = 0.

gorgeous 发表于 2025-3-27 18:48:19

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Parley 发表于 2025-3-27 22:12:14

Excited States,r than those resulting from changes in the self-consistent field. For example, in a semiconductor (or insulator) like diamond, the energy gap for exciting an electron from the valence into the conduction band is reduced by a factor of 1/2 due to correlations (Chap. 9).

folliculitis 发表于 2025-3-28 03:46:54

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致敬 发表于 2025-3-28 07:35:35

Textbook 19911st editionlications of the theory to molecules, semiconductors, homogeneous metallic systems, transition metals, and strongly correlated systems such as heavy-fermion systems and the new high-Tc superconducting materials.

感情脆弱 发表于 2025-3-28 11:13:01

0171-1873 cusses applications of the theory to molecules, semiconductors, homogeneous metallic systems, transition metals, and strongly correlated systems such as heavy-fermion systems and the new high-Tc superconducting materials.978-3-642-97309-3Series ISSN 0171-1873 Series E-ISSN 2197-4179
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查看完整版本: Titlebook: Electron Correlations in Molecules and Solids; P. Fulde Textbook 19911st edition Springer-Verlag Berlin Heidelberg 1991 Festkörpertheorie.