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arXiv 1307.7690hep-thmath-phmath.MP
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变形超对称力学

Deformed Supersymmetric Mechanics

E. Ivanov, S. Sidorov

摘要:

基于最近对弯曲刚性超对称的兴趣,我们利用定义在SU(2)超群陪集上的超场构造了一类N=4,d=1的超对称系统|1)。相关的世界线超对称性是标准的N=4,d=1超对称性通过质量参数m的变形。作为有指导意义的例子,我们认为,在经典和量子水平上,与超多重态(1,4,3)和(2,4,2)的模型,并找出有趣的相互关系与以前的一些非标准d=1超对称性的工作。特别地,具有“弱超对称性”的d=1系统在我们的SU(2)中自然地再现|1)超场方法作为(1,4,3)模型的一个子类。推广到N=8,d=1的情形,就意味着超群SU(2| 2)作为变形世界线超对称的候选者。

英文摘要:

Motivated by a recent interest in curved rigid supersymmetries, we construct a new type of N=4, d=1 supersymmetric systems by employing superfields defined on the cosets of the supergroup SU(2|1). The relevant worldline supersymmetry is a deformation of the standard N=4, d=1 supersymmetry by a mass parameter m. As instructive examples we consider, at the classical and quantum levels, the models associated with the supermultiplets (1,4,3) and (2,4,2) and find out interesting interrelations with some previous works on non-standard d=1 supersymmetry. In particular, the d=1 systems with "weak supersymmetry" are naturally reproduced within our SU(2|1) superfield approach as a subclass of the (1,4,3) models. A generalization to the N=8, d=1 case implies the supergroup SU(2|2) as the candidate deformed worldline supersymmetry.

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