collaborators

5 papers

hep-th2026

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…

hep-th2026

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…

hep-th2026

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…

hep-th2026

An Inconsistency in the Null Strings Literature: The Tale of an Overlooked Symmetry

M. M. Sheikh-Jabbari, H. Yavartanoo

Null strings, strings with null worldsheets, have about half a century of literature and are relevant in many physically interesting cases, especially when strings probe cosmo…

hep-th2025

Towards Quantizing Null p-branes: Light-Cone Gauge Analysis and Physical Hilbert Space

S. Dutta, I. M. Rasulian, M. M. Sheikh-Jabbari +1

We study null -branes, -branes with a Carrollian -dimensional worldvolume embedded in a generic -dimensional flat Minkowski target space. This theory has a generalize…