hellmann 中文意思是什麼

hellmann 解釋
黑爾曼
  1. There has been many papers to discuss the in - medium quark and gluon condensates in nuclear matter which use the models with su ( 2 ) l su ( 2 ) r sym - metry. now, we make use of the chiral model su ( 3 ) l su ( 3 ) n including the baryon octet to discuss the quark condensate < qq > in strange matter, where q is an up or down quark field. on the one hand, from the experimetal data, it is found that < qq > vac = - ( 225 25mev ) 3, on the other hand, with the hellmann - feynman theorem, quark condensate can be evaluated on the hadronic level. in this paper, we will investigate the quark condensate in strange matter with the chiral symmetry su ( 3 ) l x su ( 3 ) rspontaneous breaking lagrangian to obtain the variation of the quark condensate in the strange matter when the baryon number change. it can be applied to understand the neutron stars when the neutron star are considered to be constructed by the strange matter. because nertron stars are homogeneous and at very low temperature, we will use the mean - field approximation and zero temperature throughout this paper

    鑒于已有大量文獻討論了核物質中的夸克凝聚，本文將討論在奇異物質中的夸克凝聚。而在介質中的夸克凝聚的基本公式可由hellmann - feynman理論導出，所以運用手征對稱自發破缺拉氏量以及平均場近似，我們就可以討論在奇異物質中的夸克凝聚，由所計算的結果表明： （ 1 ）奇異物質中的夸克凝聚隨奇異物質密度的增大而單調減小。 （ 2 ） -凝聚的出現對衰減率有影響。
  2. The hypothetical electron smeart must exert a net attractive hellmann-feynman force to counterbalance the internuclear repulsion.

    假設的電子彌散必須提供凈赫爾曼吸引力以抵消核間排斥力。
  3. Long - term changes in rain patterns linked to global warming and the paving over of habitat could be playing a role, said jessica hellmann, an entomologist with the university of notre dame who has examined shapiro ' s data

    因此，最近的數周內，夏皮洛和他的學生在戴維斯地區只觀測到了一隻苎胥。而通常情況下，現在應該有很多苎胥出現才對。
  4. The generalization and application of teyman hellmann theorem

    海爾曼定理的推廣及應用
  5. Hellmann, murdock, stiglitz ( 2000 ). liberalization, moral hazard in banking, and prudential regulation : are capital requirements enough [ j ]. the american economic review, vol. 90

    張春.經濟發展不同階段對金融體系的信息要求和政府對銀行的干預:來自韓國的經驗教訓.經濟學（季刊） [ j ] .第1卷第1期
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