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31 papers · 2 filters
Irrelevant Deformations of Chiral Bosons
Subhroneel Chakrabarti, Divyanshu Gupta, Arkajyoti Manna +1
We study deformations of chiral bosons using the formalism due to Sen. For arbitrary numbers of left- and right-chiral bosons, we find that the $ \t…
Holographic Complexity of LST and Single Trace
Soumangsu Chakraborty, Gaurav Katoch, Shubho R. Roy
In this work, we continue our study of string theory in the background that interpolates between in the IR to flat spacetime with a linear dilaton in the UV. The boundary d…
Effective field theory of stochastic diffusion from gravity
Jewel K. Ghosh, R. Loganayagam, Siddharth G. Prabhu +3
Planar black holes in AdS have long-lived quasinormal modes which capture the physics of charge and momentum diffusion in the dual field theory. How should we characterize the effe…
Overcounting of interior excitations: A resolution to the bags of gold paradox in AdS
Joydeep Chakravarty
In this work, we investigate how single-sided and eternal black holes in AdS can host an enormous number of semiclassical excitations in their interior, which is seemingly not refl…
Holographic KMS relations at finite density
R. Loganayagam, Krishnendu Ray, Shivam K. Sharma +1
We extend the holographic Schwinger-Keldysh prescription introduced in arXiv:1812.08785 to charged black branes, with a view towards studying Hawking radiation in these backgrounds…
Gauge Invariant Target Space Entanglement in D-Brane Holography
Sumit R. Das, Anurag Kaushal, Sinong Liu +2
It has been suggested in arXiv:2004.00613 that in Dp-brane holography, entanglement in the target space of the D-brane Yang-Mills theory provides a precise notion of bulk entanglem…
The classical double copy in curved spacetimes: Perturbative Yang-Mills from the bi-adjoint scalar
Siddharth G. Prabhu
We formulate a version of the double copy for classical fields in curved spacetimes. We provide a correspondence between perturbative solutions to the bi-adjoint scalar equations a…
Strong Cosmic Censorship in Two Dimensions
Upamanyu Moitra
We study the behaviour of a free massive scalar wave-packet near the Cauchy horizon of an black hole and find that it becomes infinitely differentiable for smooth…
Entanglement Entropy for , , deformed holographic CFT
Soumangsu Chakraborty, Akikazu Hashimoto
We derive the geodesic equation for determining the Ryu-Takayanagi surface in deformed by single trace deforma…
On thermal correlators and bosonization duality in Chern-Simons theories with massive fundamental matter
Amiya Mishra
We consider Chern-Simons theory coupled to massive fundamental matter in three spacetime dimensions at finite temperature, in the large limit. We compute several thermal correl…
Comments on Sen's Classical Entropy Function for Static and Rotating AdS Black Holes
Jewel K. Ghosh, Leopoldo A. Pando Zayas
We consider various aspects of Sen's classical entropy function formalism for asymptotically AdS black holes with emphasis on its efficacy to capture higher derivative correcti…
Strings in Irrelevant Deformations of
Soumangsu Chakraborty, Amit Giveon, David Kutasov
We generalize our recent analysis [2006.13249] of probe string dynamics to the case of general single-trace , and deformations. We show that in regions…
Trace dynamics and division algebras: towards quantum gravity and unification
Tejinder P. Singh
We have recently proposed a Lagrangian in trace dynamics at the Planck scale, for unification of gravitation, Yang-Mills fields, and fermions. Dynamical variables are described by…
Regge amplitudes in Generalized Fishnet and Chiral Fishnet Theories
Subham Dutta Chowdhury, Parthiv Haldar, Kallol Sen
We extend the analysis of \cite{Chowdhury:2019hns} to study the Regge trajectories of the Mellin amplitudes of the and magnon correlators of the generalized Fishnet theor…
and Deformations in Quantum Mechanics
Soumangsu Chakraborty, Amiya Mishra
In this paper, we continue the study of deformation in quantum mechanical systems and propose possible analogues of deformation and deformation by a gen…
Fermi seas from Bose condensates in Chern-Simons matter theories and a bosonic exclusion principle
Shiraz Minwalla, Amiya Mishra, Naveen Prabhakar
We generalize previously obtained results for the (all orders in the 't Hooft coupling) thermal free energy of bosonic and fermionic large Chern-Simons theories with fundamenta…
Virasoro blocks and quasimodular forms
Diptarka Das, Shouvik Datta, Madhusudhan Raman
We analyse Virasoro conformal blocks in the regime of heavy intermediate exchange . For the 1-point block on the torus and the 4-point block on the sphere…
On loop celestial amplitudes for gauge theory and gravity
Soner Albayrak, Chandramouli Chowdhury, Savan Kharel
Scattering amplitudes of massless particles in Minkowski space can be expressed in a conformal basis by Mellin transforming the momentum space amplitudes to correlation functions o…
Thermodynamics of , , deformed conformal field theories
Soumangsu Chakraborty, Akikazu Hashimoto
We compute the Hagedorn temperature of deformed CFT using the universal kernel formula for the thermal partition functi…
Octonions, trace dynamics and non-commutative geometry: a case for unification in spontaneous quantum gravity
Tejinder P. Singh
We have recently proposed a new matrix dynamics at the Planck scale, building on the theory of trace dynamics. This is a Lagrangian dynamics in which the matrix degrees of freedom…
Comments on D3-Brane Holography
Soumangsu Chakraborty, Amit Giveon, David Kutasov
We revisit the idea that the quantum dynamics of open strings ending on D3-branes in the large limit can be described at large `t Hooft coupling by classical closed string…
Near-Extremal Fluid Mechanics
Upamanyu Moitra, Sunil Kumar Sake, Sandip P. Trivedi
We analyse near-extremal black brane configurations in asymptotically spacetime with the temperature , chemical potential , and three-velocity , varying…
Modularity of supersymmetric partition functions
Abhijit Gadde
We discover a modular property of supersymmetric partition functions of supersymmetric theories with R-symmetry in four dimensions. This modular property is, in a sense, the genera…
Open quantum systems and Schwinger-Keldysh holograms
Chandan Jana, R. Loganayagam, Mukund Rangamani
We initiate the study of open quantum field theories using holographic methods. Specifically, we consider a quantum field theory (the system) coupled to a holographic field theory…