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17 papers · 2 filters
On Positive Geometries of Quartic Interactions II : Stokes polytopes, Lower Forms on Associahedra and Worldsheet Forms
P B Aneesh, Pinaki Banerjee, Mrunmay Jagadale +3
In [1], two of the present authors along with P. Raman attempted to extend the Amplituhedron program for scalar field theories [2] to quartic scalar interactions. In this paper we…
A simple quantum test for smooth horizons
Kyriakos Papadodimas, Suvrat Raju, Pushkal Shrivastava
We develop a new test that provides a necessary condition for a quantum state to be smooth in the vicinity of a null surface: near-horizon modes that can be defined locally near an…
Quantum quench and thermalization to GGE in arbitrary dimensions and the odd-even effect
Parijat Banerjee, Adwait Gaikwad, Anurag Kaushal +1
In many quantum quench experiments involving cold atom systems the post-quench system can be described by a quantum field theory of free scalars or fermions, typically in a box or…
Analytic Bootstrap for Logarithmic CFT
Pinaki Banerjee, Parijat Dey
We study logarithmic conformal field theory (LogCFT) in four dimensions using conformal bootstrap techniques in the large spin limit. We focus on the constraints imposed by conform…
Jackiw-Teitelboim Model Coupled to Conformal Matter in the Semi-Classical Limit
Upamanyu Moitra, Sunil Kumar Sake, Sandip P. Trivedi +1
We analyse the Jackiw-Teitelboim model of 2D gravity coupled to massless free scalar fields in the semi-classical limit. Two systems are studied which essentially differ in the…
Mass-deformed Supersymmetric Chern-Simons-Matter Theory
Karthik Inbasekar, Lavneet Janagal, Ashish Shukla
The maximal extension of supersymmetric Chern-Simons theory coupled to fundamental matter has supersymmetry. In this short note, we provide the explicit form of t…
On the Regge limit of Fishnet correlators
Subham Dutta Chowdhury, Parthiv Haldar, Kallol Sen
We study the Regge trajectories of the Mellin amplitudes of the and magnon correlators of the Fishnet theory. Since fishnet theory is both integrable and conformal, th…
Quiver indices and Abelianization from Jeffrey-Kirwan residues
Guillaume Beaujard, Swapnamay Mondal, Boris Pioline
In quiver quantum mechanics with 4 supercharges, supersymmetric ground states are known to be in one-to-one correspondence with Dolbeault cohomology classes on the moduli space of…
Nonlinear Langevin dynamics via holography
Bidisha Chakrabarty, Joydeep Chakravarty, Soumyadeep Chaudhuri +3
In this work, we consider non-linear corrections to the Langevin effective theory of a heavy quark moving through a strongly coupled CFT plasma. In AdS/CFT, this system can be iden…
Jackiw-Teitelboim Gravity and Rotating Black Holes
Upamanyu Moitra, Sunil Kumar Sake, Sandip P. Trivedi +1
We show that the free energy at low temperatures for near-extremal black holes is correctly obtained from the Jackiw-Teitelboim (JT) model of gravity. Our arguments apply to all bl…
Matter Chern Simons Theories in a Background Magnetic Field
Indranil Halder, Shiraz Minwalla
We study large 2+1 dimensional fermions in the fundamental representation of an Chern Simons gauge group in the presence of a uniform background magnetic field for th…
New relation for AdS amplitudes
Soner Albayrak, Chandramouli Chowdhury, Savan Kharel
In this paper, we present a simple and iterative algorithm that computes Anti-de Sitter space scattering amplitudes. We focus on the vector correlators in AdS in four dimensions in…
The large phase diagram of Chern-Simons theory with one fundamental chiral multiplet
Anshuman Dey, Indranil Halder, Sachin Jain +2
We study the theory of a single fundamental fermion and boson coupled to Chern-Simons theory at leading order in the large limit. Utilizing recent progress in understanding the…
A Bound on Thermal Relativistic Correlators at Large Spacelike Momenta
Souvik Banerjee, Kyriakos Papadodimas, Suvrat Raju +2
We consider thermal Wightman correlators in a relativistic quantum field theory in the limit where the spatial momenta of the insertions become large while their frequencies stay f…
Bootstrap and collider physics of parity violating conformal field theories in
Subham Dutta Chowdhury, Justin R. David, Shiroman Prakash
We study the crossing equations in for the four point function of two currents and two scalars including the presence of a parity violating term for the -channel st…
Time-dependent holography with applications
Lata Kh Joshi, Ayan Mukhopadhyay, Alexander Soloviev
We develop a method for obtaining exact time-dependent solutions in Jackiw-Teitelboim gravity coupled to non-conformal matter and study consequences for holography. We stu…
A simple model for Hawking radiation
Swapnamay Mondal
We consider free Majorana fermions probing a SYK system comprising of Majorana fermions. We solve the full system in deep infrared and in large (as well as large ) l…