Magnetic-field induced electronic anapoles in small molecules

被引：23
|
作者：
Pelloni, Stefano [1 ]
Lazzeretti, Paolo [1 ]
Monaco, Guglielmo [2 ]
Zanasi, Riccardo [2 ]
机构：
[1] Univ Modena, Dipartimento Chim, I-41100 Modena, Italy
[2] Univ Salerno, Dipartimento Chim, I-84084 Fisciano, SA, Italy
来源：
RENDICONTI LINCEI-SCIENZE FISICHE E NATURALI | 2011年 / 22卷 / 02期
关键词：
Magnetic-field induced electronic anapoles; Theoretical prediction; Topological methods; CURRENT-DENSITY; MOMENT; MODELS;
D O I：
10.1007/s12210-011-0117-5
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A magnetic field induces toroidal vortices and associated orbital anapole moments in the electron cloud of the -OH anion and of Li-2 and H2CO molecules, as shown via three-dimensional models of the quantum-mechanical current density and corresponding stagnation graphs. The presence of the induced anapoles is proved via closed continuous stagnation loops of the quantum-mechanical current density vector field.
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页码：105 / 112
页数：8
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