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arXiv 1609.00490hep-thmath-phmath.MP
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SU(2| 2)超对称力学

SU(2|2) supersymmetric mechanics

Evgeny Ivanov, Olaf Lechtenfeld, Stepan Sidorov

摘要:

我们引入了一种新的非相对论性${\cal N}{=}\,8$超对称力学,与超群$SU(2|2)$的世界线实现相关联,将其视为扁平${\cal N}{=}\,8$,$d{=}1$超对称的变形。各种世界线$SU(2|2)$超空间被构造为该超群的陪集流形,并发展了相应的超场技术。对于离壳$SU(2|2)$多重态$({\bf 3,8,5})$、$({\bf 4,8,4})$和$({\bf 5,8,3})$,我们构造并分析了最一般的超场和分量作用.共同的特点是成比例的变形参数和三角实现的超共形组$OSp(4^*|4)$的共形情况下的质量折流器型条款。对于最简单的$({\bf 5, 8, 3})$模型,执行量化。

英文摘要:

We introduce a new kind of non-relativistic ${\cal N}{=}\,8$ supersymmetric mechanics, associated with worldline realizations of the supergroup $SU(2|2)$ treated as a deformation of flat ${\cal N}{=}\,8$, $d{=}1$ supersymmetry. Various worldline $SU(2|2)$ superspaces are constructed as coset manifolds of this supergroup, and the corresponding superfield techniques are developed. For the off-shell $SU(2|2)$ multiplets $({\bf 3,8,5})$, $({\bf 4,8,4})$ and $({\bf 5,8,3})$, we construct and analyze the most general superfield and component actions. Common features are mass oscillator-type terms proportional to the deformation parameter and a trigonometric realization of the superconformal group $OSp(4^*|4)$ in the conformal cases. For the simplest $({\bf 5, 8, 3})$ model the quantization is performed.

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