Consecutive Rosochatius deformations of the Neumann system

Consecutive Rosochatius deformations of the Neumann system
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诺依曼系统的连续 Rosochatius 变形

DOI:
10.1063/1.4826360
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发表时间:
2013-10
影响因子:
1.3
通讯作者:
Ruguang Zhou
Ruguang Zhou
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Baoqiang Xia;Ruguang Zhou

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研究了Neumann系统的连续Rosochatius变形。首先证明了经典的sl(2)高丁磁体模型的不同实现产生了不同的可积哈密顿系统。在此基础上,给出了由一个已知的辛实现构造sl(2)代数无穷多个辛实现的算法,从而使Neumann系统可以连续变形。以Neumann系统的第二个Rosochatius变形为例,说明了变形后的系统允许变量分离,并且可以在Jacobi系上线性化。
Consecutive Rosochatius deformations of the Neumann system are investigated. It is first shown that different realizations of a classical sl(2) Gaudin magnet model yield different integrable Hamiltonian systems. Then an algorithm of constructing infinitely many symplectic realizations of sl(2) algebra from a known one is presented and thus the Neumann system can be deformed consecutively. The second Rosochatius deformation of the Neumann system is taken as an illustrative example to show that the deformed systems admit separations of variables and may be linearized on the Jacobi variety.
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