misanthrope
发表于 2025-3-23 11:08:46
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额外的事
发表于 2025-3-23 14:45:46
Theoretical Study of the Collective Electronic Excitations of the Endohedral Clusters Na,@C,,of graphite. The presence of the endohedral Na clusters shifts this resonance by 0.2 eV to higher energies. A small feature also appears at 3 eV, associated to the well known collective resonance of free sodium clusters.
Spartan
发表于 2025-3-23 20:23:55
Magnetism of Transition Metal Clusters: Overview and Perspectives,, bond-length relaxations and changes in structure is analyzed concisely within this framework. A rigorous study of electron correlations, magnetism and cluster structure within the topological Hubbard model is then surveyed. Current perspectives are discussed giving emphasis to finite temperature phenomena.
煤渣
发表于 2025-3-24 01:41:10
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Ptsd429
发表于 2025-3-24 03:41:20
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灰心丧气
发表于 2025-3-24 09:00:49
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allergy
发表于 2025-3-24 14:40:49
https://doi.org/10.1007/978-3-540-48548-3ceeds 1/... and the discrete energy levels begin to form a quasi-continuous band. We have found a sensitive dependence of the critical size with temperature. The critical sizes decrease fast with increasing .. At the liquid nitrogen temperature the critical sizes are of the order of 60 atoms or less.
值得尊敬
发表于 2025-3-24 16:20:43
, held at Cocoyoc, More los, Mexico, during January 5-9, 1997. The participants had come from Argentina, Austria, Chile, England, France, Germany, Italy, Japan, Mexico, Switzerland, and the USA. The presentations at the Workshop provided state-of-art reviews of many of the most important problems,
fatuity
发表于 2025-3-24 22:55:11
Praxisabstecher zur Einstimmung,s, we find the formation of shadows of the Fermi surface, k-dependent pseudogap structures in the excitation spectrum and by considering interlayer effects a blocking of the .-axis charge transport as precursors of the antiferromagnetic phase transition.
colostrum
发表于 2025-3-25 03:10:54
Omnimetrie im Wirtschaftsalltag,rge density wave. The slave-boson approach is used to treat the electronic correlations in the strong coupling regime. We also consider the effect of a Brillouin-zone boundary phonon via a dimerization of the hopping term, thus introducing a competition with a paramagnetic bond-alternating phase and determine the phase diagram.