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585 papers · 1 filter
Hamiltonian formulation of the -dimensional theory in a momentum-space Daubechies wavelet basis
Mrinmoy Basak, Debsubhra Chakraborty, Nilmani Mathur +1
We apply the wavelet formalism of quantum field theory to investigate nonperturbative dynamics within the Hamiltonian framework. In particular, we employ Daubechies wavelets in mom…
Semi-universality of CFT entropy at large spin
Harsh Anand, Nathan Benjamin, Vipul Kumar +4
The thermal partition function, , of a on is parameterized by the inverse temperature along with angular velocities . In this pap…
On the stabilizer complexity of Hawking radiation
Ritam Basu, Onkar Parrikar, Suprakash Paul +1
We study the complexity of Hawking radiation for an evaporating black hole from the perspective of the stabilizer theory of quantum computation. Specifically, we calculate Wigner n…
Strings near BTZ black holes: A Carrollian Chronicle
Aritra Banerjee, Arkachur Bhattacharya, Sharang Rajesh Iyer +2
The BTZ black hole provides a tractable (2+1)-dimensional example for investigating string dynamics in curved spacetime. However, a systematic and robust analysis of the solution s…
Soft Theorems in Chern-Simons Matter Theories
Avi Wadhwa
We describe tree-level soft theorems for Chern-Simons QED and QCD in 4+1 dimensions. Soft theorems have been studied in various context in the past. The universal behavior of the l…
York time in JT gravity
Onkar Parrikar, Sunil Kumar Sake
The notion of time in general relativity must arise from an internal clock, i.e., a degree of freedom in the gravitational theory internal to the system that can serve the role of…
Mock Modularity Of Twisted Index In CHL Models
Nabamita Banerjee, Vedant Bhutra, Ranveer Kumar Singh
We study the twisted partition function of quarter BPS states in CHL models and show that for a large class of single-centered black holes, the degeneracy of microstates is given b…
Waveform, memory and classical soft scalar theorems
Sarthak Duary, Pabitra Ray
We examine a scattering process in which a set of particles come together, interact through a long-range massless scalar force like dilaton mediated and then disperse. Using worldl…
Supersymmetric Grey Galaxies, Dual Dressed Black Holes and the Superconformal Index
Sunjin Choi, Diksha Jain, Seok Kim +5
Motivated by the recent construction of grey galaxy and Dual Dressed Black Hole solutions in , we present two conjectures relating to the large entropy of supe…
Large charge operators at large spin from relativistically rotating vortices
Jaehyeok Choi, Eunwoo Lee
We study the ground states of CFTs with a global symmetry on in the regime of large charge and large angular momentum , using large charge EFT.…
JT Gravity in de Sitter Space and Its Extensions
Indranil Dey, Kanhu Kishore Nanda, Akashdeep Roy +2
We discuss and extend some aspects pertaining to the canonical quantisation of JT gravity in de Sitter space, including the problem of time and the construction of a Hilbert space.…
Grey Galaxies in
Kabir Bajaj, Vipul Kumar, Shiraz Minwalla +2
It has recently been conjectured \cite{Kim:2023sig} that the end point of the rotational superradiant instability of black holes in is a Grey Galaxy: an black hole si…
Kalb-Ramond field, black holes and black strings in (2 + 1)D
Meseret Asrat
New rotating dilaton black hole and black string solutions in three spacetime dimensions are obtained. The background spacetime interpolates between Anti-de Sitter and a (an asympt…
Dual Dressed Black Holes as the end point of the Charged Superradiant instability in Yang Mills
Sunjin Choi, Diksha Jain, Seok Kim +4
Charged Black holes in suffer from superradiant instabilities over a range of energies. Hairy black hole solutions (constructed within gauged supergravity) have…
Aspects of dS/CFT Holography
Indranil Dey, Kanhu Kishore Nanda, Akashdeep Roy +1
It has been suggested that a spacetime of radius has a holographic dual, living at future space-like infinity , with the bulk wave function being du…
Proper time to singularity and thermal correlators
Kaustubh Singhi
We study certain higher point thermal correlators of heavy and light scalar primaries in a holographic CFT. Assuming simple self-interactions and couplings of the scalars in the bu…
Inflationary non-Gaussianities in alpha vacua and consistency with conformal symmetries
Arhum Ansari, Pinak Banerjee, Prateksh Dhivakar +2
We study the conformal invariance of inflationary non-Gaussianities associated with scalar fluctuations in a non-Bunch-Davies initial state, known as the -vacuum, in single-fiel…
Relational bulk reconstruction from modular flow
Onkar Parrikar, Harshit Rajgadia, Vivek Singh +1
The entanglement wedge reconstruction paradigm in AdS/CFT states that for a bulk qudit within the entanglement wedge of a boundary subregion , operators acting on the bulk…
Instantons in sine-Liouville theory
Sergei Alexandrov, Raghu Mahajan, Ashoke Sen
We compute instanton corrections to the partition function of sine-Liouville (SL) theory, which provides a worldsheet description of two-dimensional string theory in a non-trivial…
All near-horizon symmetries of the Schwarzschild black hole in linearised gravity
Ankit Aggarwal, Nava Gaddam
Asymptotic symmetries are known to constrain the infrared behaviour of scattering processes in asymptotically flat spacetimes. By the same token, one expects symmetries of the blac…
Monotonicity conjecture for multi-party entanglement I
Abhijit Gadde, Shraiyance Jain, Vineeth Krishna +2
In this paper, we conjecture a monotonicity property that we call monotonicity under coarse-graining for a class of multi-partite entanglement measures. We check these properties b…
Coherent States in M-Theory: A Brane Scan using the Taub-NUT
Joydeep Chakravarty, Keshav Dasgupta, Diksha Jain +3
The Taub-NUT geometry corresponds to the Kaluza-Klein monopole solution of M-theory and on dimension reduction along the Taub-NUT circle direction it becomes the D6 brane of type I…
Entanglement and chaos near critical point in strongly coupled gauge theory
Sanjay Pant, Debanjan Karan
We perform a holographic study of the high and low temperature behaviours of logarithmic negativity (LN) and entanglement wedge cross section (EWCS) in a large strongly coupled…
JT Gravity in de Sitter Space and the Problem of Time
Kanhu Kishore Nanda, Sunil Kumar Sake, Sandip P. Trivedi
We discuss the canonical quantisation of JT gravity in de Sitter space, following earlier work by Henneaux, with particular attention to the problem of time. Choosing the dilaton a…