Carrollian 靶空间上的 Carrollian 世界面:ILST 何时描述零弦理论?
Carrollian Worldsheets on Carrollian Targets, When does ILST describe a null string theory?
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中文总结 AI 辅助
本文证明当 Carrollian 靶空间存在位似核生成元时,零弦理论良定义且等价于 ILST 理论,并探讨了最小理论的形变及其在零弦全息术中的应用。
中文摘要 AI 辅助
零弦理论(NST)是一种在 Carrollian 世界面上的二维(2d)sigma 模型,以二维微分同胚、Weyl 和 Carroll-Weyl(CW)标度作为规范对称性,而 Isberg-Lindström-Sundborg-Theodoridis(ILST)理论在一般靶空间上仅实现前两种对称性,并不具备 CW 规范对称性。我们在本工作中表明,当背景允许一个位似核生成元时,Carrollian 靶空间(CTS)上的 NST 是良定义的,并且它由同一 CTS 上的 ILST 理论描述。为此,我们从第一性原理出发,在 CTS 上构建一个最小零弦理论,然后讨论超出最小理论的形变,将其视为对最小性的偏离。我们研究了几类此类形变,涉及用于直纹 Carrollian 空间的时钟一形式及/或 Carrollian 空间上的联络。我们讨论了这对于最近引入的零弦全息术的意义。作为 CTS 的例子,我们简要讨论了探测黑洞视界的零弦以及在此背景下的零弦全息术。
英文摘要
Null string theory (NST) is a two-dimensional (2d) sigma-model on a Carrollian worldsheet with 2d diffeomorphisms, Weyl and Carroll-Weyl (CW) scalings as gauge symmetries whereas the Isberg-Lindström-Sundborg-Theodoridis (ILST) theory on a generic target space only realizes the first two and not the CW gauge symmetry. We show in this work that NST on the Carrollian target spaces (CTS) is well-defined if the background admits a homothetic kernel generator and that, it is described by the ILST theory on the same CTS. To this end, we formulate a minimal null string theory on CTS, starting from first principles and then discuss beyond minimal theories as deformations away from minimality. We study some classes of such deformations involving the clock one-from for ruled Carrollian spaces and/or connection on the Carrollian space. We discuss implications of this for the recently introduced null string holography. As examples CTS, we briefly discuss null strings probing black hole horizons and the null string holography in this context.
发表机构
- School of Physics, Institute for Research in Fundamental Sciences (IPM)(基础科学研究所物理学院)
- Beijing Institute of Mathematical Sciences and Applications (BIMSA)(北京数学与应用数学研究所)
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