期刊论文详细信息
Journal of High Energy Physics
Carroll covariant scalar fields in two dimensions
Regular Article - Theoretical Physics
Arjun Bagchi1  Kedar S. Kolekar1  Punit Sharma1  Sudipta Dutta1  Aritra Banerjee2 
[1] Indian Institute of Technology Kanpur, 208016, Kanpur, India;Okinawa Institute of Science & Technology, 1919-1 Tancha, Onna-son, 904-0495, Okinawa, Japan;
关键词: Conformal and W Symmetry;    Scale and Conformal Symmetries;    Bosonic Strings;    Gauge-Gravity Correspondence;   
DOI  :  10.1007/JHEP01(2023)072
 received in 2022-04-04, accepted in 2022-12-23,  发布年份 2022
来源: Springer
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【 摘 要 】

Conformal Carroll symmetry generically arises on null manifolds and is important for holography of asymptotically flat spacetimes, generic black hole horizons and tensionless strings. In this paper, we focus on two dimensional (2d) null manifolds and hence on the 2d Conformal Carroll or equivalently the 3d Bondi-Metzner-Sachs (BMS) algebra. Using Carroll covariance, we write the most general free massless Carroll scalar field theory and discover three inequivalent actions. Of these, two viz. the time-like and space-like actions, have made their appearance in literature before. We uncover a third that we call the mixed-derivative theory. As expected, all three theories enjoy off-shell BMS invariance. Interestingly, we find that the on-shell symmetry of mixed derivative theory is a single Virasoro algebra instead of the full BMS. We discuss potential applications to tensionless strings and flat holography.

【 授权许可】

Unknown   
© The Author(s) 2023

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Fig. 65

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