Anomalous nonadditive dispersion interactions in systems of three one-dimensional wires
Anomalous nonadditive dispersion interactions in systems of three one-dimensional wires
复制标题
三个一维线系统中的反常非加性色散相互作用
DOI：
10.1103/physrevb.89.045140
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发表时间：
2014
影响因子：
3.7
通讯作者：
Misquitta A
中科院分区：
文献类型：
--
作者：
Misquitta A
利用氢原子链和均匀电子气模型研究了非加性色散对三条一维线结合能的贡献。我们表明，非添加剂的色散贡献的结合能显着增强相比，预期从Axilrod-Teller-Muto型三重偶极求和，并遵循不同的幂律衰减与分离。一维电子气三线非加性色散符合幂律，线间距指数小于3，在2.4 ~ 2.9之间略有增加，线间距指数是一维电子气的密度参数。这是在很好的协议与指数所建议的领先秩序的电荷流贡献三线的非加性，是一个显着较慢的衰减比thebeach的行为，将预期从三偶极求和。
The nonadditive dispersion contribution to the binding energy of three one-dimensional (1D) wires is investigated using wires modeled by (i) chains of hydrogen atoms and (ii) homogeneous electron gases. We demonstrate that the nonadditive dispersion contribution to the binding energy is significantly enhanced compared with that expected from Axilrod-Teller-Muto–type triple-dipole summations and follows a different power-law decay with separation. The triwire nonadditive dispersion for 1D electron gases scales according to the power law, whereis the wire separation, with exponentssmaller than 3 and slightly increasing withfrom 2.4 atto 2.9 at, whereis the density parameter of the 1D electron gas. This is in good agreement with the exponentsuggested by the leading-order charge-flow contribution to the triwire nonadditivity, and is a significantly slower decay than thebehavior that would be expected from triple-dipole summations.
DOI：
10.1016/c2013-0-02436-x
发表时间：
1969
期刊：
--
影响因子：
--
作者：
H. Margenau;N. Kestner
通讯作者：
H. Margenau;N. Kestner