etidronate
发表于 2025-3-23 13:21:37
Magnetic Properties of the Hubbard Model with Infinite Interactionsegments of length . (an .-chain model). It is shown that the total spin of the ground state grows from 0 to .. with an increase of electron density .. For two-chain model the critical value .. is found, above which the ground state is ferromagnetic. For .-chain model with . > 2 a “cascade” of the tr
愚笨
发表于 2025-3-23 14:49:32
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ORE
发表于 2025-3-23 18:24:23
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Invertebrate
发表于 2025-3-24 01:44:55
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averse
发表于 2025-3-24 05:25:44
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reserve
发表于 2025-3-24 07:10:52
Christa Albrecht,Gertrud-Elisabeth BoniferNonlinear optical properties of (A – B).-polymers axe studied in the noninteracting electron approximation. Using a Keldysh Green function method there was calculated the nonlinear susceptibility of the third harmonic generation as well as nonlinear index of refraction. It was shown that the second order susceptibilities are equal to zero.
离开真充足
发表于 2025-3-24 14:27:48
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jarring
发表于 2025-3-24 17:32:26
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glamor
发表于 2025-3-24 20:47:46
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牵索
发表于 2025-3-25 01:26:45
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