110 citations · 1.7k across the 62 of their papers we have counts for
64 papers
Carrollian Worldsheets on Carrollian Targets, When does ILST describe a null string theory?
M. M. Sheikh-Jabbari, H. Yavartanoo
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 t…
Null String Holography, Null Strings Probe Projective Boundary of Their Target Spaces
M. M. Sheikh-Jabbari, H. Yavartanoo
We prove that the \textit{minimal null string theory} on a background manifold is classically equivalent to the ILST theory on the projective boundary of $\mathcal M…
What is Classical Null String Theory?
M. M. Sheikh-Jabbari, H. Yavartanoo
We revisit the classical definition of a null string in a D-dimensional Minkowski target space and distinguish a consistent partially-gauged Carrollian sigma-model from the null st…
Null-strings Gauged, Reloaded and Quantized, I: Canonical Quantization in the Light-Cone Gauge
Ida M. Rasulian, M. M. Sheikh-Jabbari, H. Yavartanoo
We study the light-cone quantization of null-strings in dimensional flat target-space. Incorporating the essential new gauge symmetry and the associated constraint structure of…
Null Strings Gauged and Reloaded, II: Consistent Classical Treatment of the Null Strings
M. M. Sheikh-Jabbari, H. Yavartanoo
We observed that the null strings, tensionless strings with Carrollian worldsheets, exhibit an extra gauge symmetry, \textit{Carroll-Weyl} gauge symmetry, which cannot be obtained…
Null Strings Gauged and Reloaded, I: Null Strings Have Carroll-Weyl Gauge Symmetry
M. M. Sheikh-Jabbari, H. Yavartanoo
Null strings, strings with Carrollian worldsheets, are traditionally described by the Isberg-Lindström-Sundborg-Theodoridis (ILST) action, which is obtained via a tensionless limit…