论文标题
部分可观测时空混沌系统的无模型预测
From Twistor-Particle Models to Massive Amplitudes
论文作者
论文摘要
罗杰·彭罗斯(Roger Penrose)在1970年代的Twistor颗粒程序中,用一对受内部对称组的扭曲器来表示大规模粒子相空间的表示。在这里,我们使用此表示形式引入一个手性弦,其目标是对该空间的络合,以扩展以结合超对称性。我们表明,与内部对称组相关的量规呼吸仅用于最大超对称性,并且这些弦模型中的相关器描述了涉及具有明显超对称性的巨大颗粒的幅度。模型和振幅公式表现出从库仑分支上的量规理论到重力的双复制结构,尽管重力仍然是无质量的。该公式与以极化散射方程式表示的作者先前获得的公式密切相关。
In his twistor-particle programme of the 1970's, Roger Penrose introduced a representation of the massive particle phase space in terms of a pair of twistors subject to an internal symmetry group. Here we use this representation to introduce a chiral string whose target is a complexification of this space, extended so as to incorporate supersymmetry. We show that the gauge anomalies associated to the internal symmetry group vanish only for maximal supersymmetry, and that correlators in these string models describe amplitudes involving massive particles with manifest supersymmetry. The models and amplitude formulae exhibit a double copy structure from gauge theory on the Coulomb branch to gravity, although the graviton remains massless. The formulae are closely related to those obtained earlier by the authors expressed in terms of the polarised scattering equations.