The Branch Process of Skyrmions in the Fractional Quantum Hall Effect
DUAN Yi-Shi, ZHANG Xiu-Ming, TIAN Miao
Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000
The Branch Process of Skyrmions in the Fractional Quantum Hall Effect
DUAN Yi-Shi;ZHANG Xiu-Ming;TIAN Miao
Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000
关键词 ：
73.43.-f ,
47.20.Ky ,
02.40.Pc
Abstract ： The branch process of the skyrmions in the fractional quantum Hall effect is studied from the Ф-mapping topological current. It is shown that there exists a field zeta whose Hopf indices and Brouwer degrees characterize the topological structure of the skyrmions. Based on the bifurcation theory of the Ф-mapping theory, it is found that the skyrmions can be generated or annihilated at the limit points and they encounter, split or merge at the bifurcation points of the new field zeta.
Key words ：
73.43.-f
47.20.Ky
02.40.Pc
出版日期: 2005-08-01
:
73.43.-f
(Quantum Hall effects)
47.20.Ky
(Nonlinearity, bifurcation, and symmetry breaking)
02.40.Pc
(General topology)
引用本文:
DUAN Yi-Shi;ZHANG Xiu-Ming;TIAN Miao. The Branch Process of Skyrmions in the Fractional Quantum Hall Effect[J]. 中国物理快报, 2005, 22(8): 2047-2051.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I8/2047
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