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12 papers · 2 filters
Thermodynamic Geometry and Phase Transitions of Dyonic Charged AdS Black Holes
Pankaj Chaturvedi, Anirban Das, Gautam Sengupta
We investigate phase transitions and critical phenomena of four dimensional dyonic charged AdS black holes in the framework of thermodynamic geometry. In a mixed canonical grand ca…
Holographic quantum phase transitions and interacting bulk scalars
Pankaj Chaturvedi, Pallab Basu
We consider a system of two massive, mutually interacting probe real scalar fields, in zero temperature holographic backgrounds. The system does not have any continuous symmetry. F…
Constraints from Conformal Symmetry on the Three Point Scalar Correlator in Inflation
Nilay Kundu, Ashish Shukla, Sandip P. Trivedi
Using symmetry considerations, we derive Ward identities which relate the three point function of scalar perturbations produced during inflation to the scalar four point function,…
Quantum Gravity Effect in Torsion Driven Inflation and CP violation
Sayantan Choudhury, Barun Kumar Pal, Banasri Basu +1
We have derived an effective potential for inflationary scenario from torsion and quantum gravity correction in terms of the scalar field hidden in torsion. A strict bound on the C…
Poles in the -Matrix of Relativistic Chern-Simons Matter theories from Quantum Mechanics
Yogesh Dandekar, Mangesh Mandlik, Shiraz Minwalla
An all orders formula for the -matrix for 2 2 scattering in large N Chern-Simons theory coupled to a fundamental scalar has recently been conjectured. We find a sc…
Can Effective Field Theory of inflation generate large tensor-to-scalar ratio within Randall Sundrum single braneworld?
Sayantan Choudhury
In this paper my prime objective is to explain the generation of large tensor-to-scalar ratio from the single field sub-Planckian inflationary paradigm within Randall Sundrum (RS)…
More on BPS States in N=4 Supersymmetric Yang-Mills Theory on R x S3
Shuichi Yokoyama
We perform a systematic analysis on supersymmetric states in N=4 supersymmetric Yang-Mills theory (SYM) on R x S^3. We find a new set of 1/16 BPS equations and determine the precis…
A Strongly Coupled Anisotropic Fluid From Dilaton Driven Holography
Sachin Jain, Nilay Kundu, Kallol Sen +2
We consider a system consisting of dimensional gravity with a negative cosmological constant coupled to a massless scalar, the dilaton. We construct a black brane solution whic…
The inside outs of AdS(3)/CFT(2): Exact AdS wormholes with entangled CFT duals
Gautam Mandal, Ritam Sinha, Nilakash Sorokhaibam
We present the complete family of solutions of 3D gravity (Lambda<0) with two asymptotically AdS exterior regions. The solutions are constructed from data at the two boundaries, wh…
Unitarity, Crossing Symmetry and Duality of the S-matrix in large N Chern-Simons theories with fundamental matter
Sachin Jain, Mangesh Mandlik, Shiraz Minwalla +3
We present explicit computations and conjectures for scattering matrices in large {\it } Chern-Simons theories coupled to fundamental bosonic or fermionic matte…
Stable Bianchi III attractor in gauged supergravity
Karthik Inbasekar, Rickmoy Samanta
Bianchi attractors are homogeneous but anisotropic extremal black brane horizons. We study the solution which is a special case of Bianchi type III in a…
Conformal Invariance and the Four Point Scalar Correlator in Slow-Roll Inflation
Archisman Ghosh, Nilay Kundu, Suvrat Raju +1
We calculate the four point correlation function for scalar perturbations in the canonical model of slow-roll inflation. We work in the leading slow-roll approximation where the ca…