Bosonization of supersymmetric KdV equation

Bosonization of supersymmetric KdV equation
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超对称KdV方程的玻色化

DOI:
10.1016/j.physletb.2011.12.021
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发表时间:
2011-08
期刊:
Physics Letters. Section B: Nuclear, Elementary Particle and High-energy Physics
影响因子:
--
通讯作者:
Lou, S. Y.
Lou, S. Y.
中科院分区:
其他
文献类型:
--
作者:
Gao, Xiao Nan;Lou, S. Y.

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提出了经典超对称系统的玻色化方法。通过在超场展开式中引入多费米子参数,将N=1超对称KdV(sKdV)系统转化为耦合玻色子方程组。该方法可以应用于任何费米子系统。通过求解耦合玻色子方程,可以显式地获得一些新颖类型的精确解。特别是,发现了超对称可积系统的局域激励的丰富性。这里获得的丰富的多孤子解尚未通过其他方法获得。然而,传统已知的多孤子解也不能通过本文的玻色子化方法获得。在经典和量子层面上提出了一些关于超对称可积模型玻色化的开放问题。
Bosonization approach to the classical supersymmetric systems is presented. By introducing the multi-fermionic parameters in the expansions of the superfields, the N=1 supersymmetric KdV (sKdV) system is transformed to a system of coupled bosonic equations. The method can be applied to any fermionic systems. By solving the coupled bosonic equations, some novel types of exact solutions can be explicitly obtained. Especially, the richness of the localized excitations of the supersymmetric integrable system is discovered. The rich multi-soliton solutions obtained here have not yet been obtained by using other methods. However, the traditional known multi-soliton solutions can also not be obtained by the bosonization approach of this Letter. Some open problems on the bosonization of the supersymmetric integrable models are proposed in the both classical and quantum levels.
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