Aharonov-Bohm Effect and Geometric Phases -- Exact and Approximate Topology

Aharonov-Bohm Effect and Geometric Phases -- Exact and Approximate Topology
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阿哈罗诺夫-玻姆效应和几何相位——精确和近似拓扑

DOI:
10.1142/9789814472906_0016
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发表时间:
2013
期刊:
arXiv: Quantum Physics
影响因子:
--
通讯作者:
K. Fujikawa
K. Fujikawa
中科院分区:
--
文献类型:
--
作者:
K. Fujikawa

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通过分析一个完全可解的模型在第二个量化的配方,它允许一个统一的治疗绝热和非绝热几何相位,它表明,绝热Berry的相位,其特征在于与可能的水平交叉的奇异性的拓扑结构,是平凡的在精确的意义上。这种几何相位的拓扑结构与阿哈罗诺夫-玻姆效应的拓扑结构完全不同,阿哈罗诺夫-玻姆效应的拓扑结构由外部局域规范场指定,并且对于电子的慢速运动和快速运动都是精确的。
By analyzing an exactly solvable model in the second quantized formulation which allows a unified treatment of adiabatic and non-adiabatic geometric phases, it is shown that the topology of the adiabatic Berry's phase, which is characterized by the singularity associated with possible level crossing, is trivial in a precise sense. This topology of the geometric phase is quite different from the topology of the Aharonov-Bohm effect, where the topology is specified by the external local gauge field and it is exact for the slow as well as for the fast motion of the electron.
DOI: 10.1103/physreva.72.012111
发表时间: 2005-01
期刊: Physical Review A
影响因子: 2.9
作者:
S. Deguchi;K. Fujikawa
通讯作者: S. Deguchi;K. Fujikawa
DOI: 10.1103/physrevd.72.025009
发表时间: 2005-05
期刊: Physical Review D
影响因子: 5
作者:
K. Fujikawa
通讯作者: K. Fujikawa