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arXiv 1012.2325hep-th
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N=4超共形力学中的对偶多重态

Dual multiplets in N=4 superconformal mechanics

Stefano Bellucci, Sergey Krivonos, Anton Sutulin

摘要:

基于标准和扭曲的$(1,4,3)$超多重态,提出了三粒子平移不变的$N=4$超共形力学的拉格朗日公式.我们表明,在适当的坐标系中,其中的玻色子动力学项为每一种情况下采取保角平坦的形式,相应的模型产生的只是类似的物理系统与翻转角部分的玻色子势$U(x)\rightarrow 1/U(x)$。这种翻转看起来很简单,只写在“角度”变量中,而在标准变量中,为了保持超共形对称性,它看起来更复杂。我们证明了在超场和组件水平,如何熟悉的$N=4$超对称3粒子模型,包括$3-Calogero$,${\it BC_2}$和${\it G_2}$的,可以构造扭曲的超多重态。我们还提出了一些新的三维超共形力学的显式例子。

英文摘要:

We propose Lagrangian formulations of a three-particles translation invariant $N=4$ superconformal mechanics based on the standard and twisted $(1,4,3)$ supermultiplets. We show that in the appropriate set of coordinates, in which the bosonic kinetic terms for each of the two cases take conformally-flat forms, the corresponding models produce just similar physical systems with the flipped angular part of bosonic potential $U(x)\rightarrow 1/U(x)$. This flipping looks so simple only being written in the "angle" variable, while in the standard variables it looks more complicated to preserve the superconformal symmetry. We demonstrate at both the superfield and the component level, how familiar $N=4$ supersymmetric 3-particles models, including $3-Calogero$, ${\it BC_2}$ and ${\it G_2}$ ones, can be constructed with twisted supermultiplets. We also present some new explicit examples of 3-dimensional superconformal mechanics.

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