iagrg

Workshop Sessions

Chairs (Classical Gravity) :

Sandipan Sengupta(IIT Kgp)

Amitabha Lahiri (SN Bose)

Classical Gravity (Each but the invited talk is for duration 12+3 mins)

Jan 3		*Jan 4*		*Jan 5*
2:30 – 2:45	Spin precession in an Acoustic Analogue Black Hole Parthasarathi Majumdar	2:30 - 3:00	Towards constraining realistic Lorentsian wormholes through observations. Sayan Kar	2:00 - 2:15	Soldering freedom and BMS-like symmetries Srijit Bhattacharjee
2:45 - 3:00	Conserved charges in asymptotically de Sitter spacetimes Jahanur Hoque	3:00 - 3:15	Fluctuation-dissipation in accelerated frames Krishnakanta Bhattacharya	2:15 - 2:30	Anisotropic generalization of well-known solutions describing relativistic self-gravitating fluid spheres: An algorithm Ranjan Sharma
3:00 - 3:15	Taub-Nut Space Suvikranth Gera	3:15 - 3:30	On Late Time Tails in an Extreme Reissner-Nordstrom Black Hole: Frequency Domain Analysis Bidisha Chakraborty	2:30 - 2:45	Resolving the issue of branched Hamiltonian in modified Lanczos-Lovelock gravity Soumendra Ruz
3:15 - 3:30	The Chronology protection problem in modified Kerr-Newman black-holes Vaishak	3:30 - 3:45	Noether Current, Black Hole Entropy and Spacetime Torsion Sumanta Chakraborty	2:45 - 3:00	Can we use gravity to produce ultra-high energy cosmic rays and neutrinos? Mandar Patil
3:40 - 3:55	An observational imprint of nonlinear matter-gravity coupling in the speed of gravitational waves Soumya Jana	3:45 – 4:00	The motion of extended objects in curved spacetime Sajal Mukherjee	3:00 - 3:15	Constrained field theories on spacetimes with horizons Karan Fernandes
3:55 – 4:10	Collapse of spherical and non- spherical scalar field distribution. Koyel Ganguly			3:15 - 3:30	Effect of gravity explained via effective optical medium approach Saswati Roy
4:10 – 5:00	Poster sparklers (1 min each)			3:30 – 3:45	Symmetries near a generic charged null surface and associated algebra: An off-shell analysis Mousumi Maitra
				3:45 – 4:00	On the physical process first law for dynamical black holes Akash Mishra
				4:00 – 4:15	Conformal Flatness and Collapsing Stars in f (R) gravity Soumya Chakraborty

Chairs (Quantum Gravity):

Amit Ghosh (Saha Institute)

Dawood Kothwala (IITM)

Quantum Gravity(18)

*Jan 3*		*Jan 4*		*Jan 5*
2:30 - 3:00	Connecting Loop Quantum Gravity and String Theory Deepak Vaid	2:30 - 3:00	Weak Conjecture From Low Energy Observers' Perspective Kazuyuki Furuuchi	2:00 - 2:30	Quantum Fields in Cosmology : The omnipresent de Sitter and the invariant vacuum noise Kinjal Lochan
3:00 - 3:20	Decay rates of massive Klein-Gordon Fields along the future-null direction and their evolution on hyperboloidal slices Shalabh	3:00 - 3:20	Thermal Stability and Quasi-stability of Quantum Black Hole Parthasarathi Majumdar	2:30 - 2:45	Massless charged particles: Cosmic censorship, and Third law of Black Hole Mechanics. Fairoos C.
3:20 - 3:35	A distinguished ground state (SJ vacuum) for free scalar field theory Abhishek Mathur	3:20 - 3:40	Time travel in signature changing spacetimes Sandipan Sengupta	2:45 - 3:00	Is there an upper bound on the size of a Black Hole? Swastik Bhattacharya
3:35 - 3:50	The SJ Vacuum in de Sitter Spacetime Nomaan X	3:40 - 3:55	A Thermodynamic Raychaudhuri Equation and Transport coefficients of Black Holes in Lovelock Gravity Avirup Ghosh	3:00 - 3:15	Exact derivation of the Hawking effect in canonical formulation Chiranjeeb Singha
3:50 - 4:05	Response of a Unruh-DeWitt detector coupled to polymer quantized scalar field D. Jaffino Stargen			3:15 - 3:30	Consistent derivation of the Hawking effect for extremal Kerr black holes. Subhajit Barman
4:05 - 4:20	Fluctuation-Dissipation in de Sitter Universe Ashmita Das			3:30 - 3:45	Universal thermodynamics with Chaplygin gas model Sarbari Guha
4:20 - 4:35	N-dimensional anisotropic quantum cosmological model with fluid. Sachin Pandey
4:35 - 4:50	Causality constraints on effective field theories with gravitational interaction. Noel Jonathan Jobu

Chairs (GWs+ Astro):

Poonam Chandra (NCRA)

P. Ajith (ICTS)

Astro and GWs (17)

Jan 3		*Jan 4*		*Jan 5*
2:30 - 3:00	New techniques in gravitational-wave data analysis Anand Sankar Sengupta	2:30 - 3:00	Stealth biases in the inferred source properties of Binary Black hole merger signals. Muhammad Saleem	2:00 - 2:20	The Indian Pulsar Timing Array Experiment. Shantanu Desai
3:00 - 3:20	Parametrized tests of the multipole structure of compact binaries using gravitational wave observations Shilpa Kastha	3:00 - 3:20	Highly faithful interpolation for gravitational-wave signals from compact binaries using radial basis function Amit Reza	2:20 - 2:40	Probing superfluid matter inside Neutron star with GW Sayak Datta
3:20 - 3:40	Testing the black hole nature using gravitational wave observations of spin-induced quadrupole moments: A Bayesian implementation Krishnendu N V	3:20 - 3:35	Binary black hole merger: Numerical Studies through horizon characteristics Anshu Gupta	2:40 - 3:00	Effect of solid crust in tidal deformation of neutron star Bhaskar Biswas
3:40 - 4:00	Accurate inspiral-merger-ringdown gravitational waveforms for non-spinning black-hole binaries including the effect of subdominant modes Ajit Kumar Mehta	3:35 - 3:50	Nonlinear perturbations of black holes with Numerical Relativity Maitreya Kanta Bhattacharyya	3:00 - 3:20	Bounds on the ellipticity of a millisecond pulsar Sudip Bhattacharyya
4:00 - 4:20	Identifying strongly lensed gravitational wave signals from binary black hole mergers M K Haris		Poster sparklers (1 min each)	3:20 - 3:40	Massive Rotating Protoneutron Star with Hyperons: Evolutionary Stages and Universality Sarmistha Banik
4:20 - 4:40	Ready to use effectual geometric-random hybrid template bank for LIGO’s O3 searches Somen Roy			3:40 - 4:00	The dynamical contributions in the rate of change of the orbital and the spin periods of radio pulsars Dhruv Pathak
4:40 - 5:00	Poster sparklers (1 min each)			4:00 – 4:15	Are kilonovae standardizable candles? Rahul Kashyap

Chairs (Cosmology):

Chingangbam Pravabati (IIA)

T R Seshadri (Delhi University)

Jan 3		*Jan 4*		*Jan 5*
2:30 – 3:00	Cosmic Shear Surhud More	2:30 - 3:00	EoR Girish Kulkarni	2:00 - 2:15	Magnetic field, inflation, bouncing scenario L. Sriramkumar
3:00 - 3:15	A possible solution to the H0 tension via interaction in the dark sector Supriya Pan	3:00 - 3:15	Constraining models of inflation using 21 cm tomography Suvedha Naik	2:15 - 2:30	Dynamical features of an anisotropic cosmological model Sankarsan Tarai
3:15 - 3:30	On present inconsistencies between low and high redshift cosmological data Archita Bhattacharya	3:15 - 3:30	Distinguishing dark energy and modified gravity from the growth of perturbations Joseph P. J.	2:30 - 2:45	Bounce inflation driven by Higgs field Jose Mathew
3:30 - 3:45	Decaying dark matter candidates to resolve Hubble parameter tensions Yeluripati Rohin	3:30 - 3:45	A new parametrization of dark energy equation of state Sudipta Das	2:45 - 3:00	Bi-gravity and Horndeski connected by disformal coupling Nur Jaman
4:00 - 4:15	Alternate Models to Dark Matter: MOND, MONG or MORG Arun Kenath	3:45 – 4:00	An assessment of Modified Chaplygin Gas cosmology with statefinder diagnostic in Lyra geometry Jainendra Kumar Singh	3:00 - 3:15	Non-Gaussian Properties of Primordial Gravitational Wave Abhishek Naskar
4:15 – 4:30	Stable contraction in Brans-Dicke cosmology Debottam Nandi			3:15 - 3:30	Density perturbation in the models reconstructed from jerk parameter Srijita Sinha
4:30 - 4:45	Dwarf Galaxies Prasanta Bera			3:30 - 3:45	f(R,T)=f(R)+\lambda T gravity models as alternatives to cosmic acceleration Parbati Sahoo
4:45 – 5:00	Spherical collapse of fuzzy dark matter V. Sreenath			3:45 - 4:00	A Study in the non-canonical domain of Goldstone inflation Mayukh Raj Gangopadhyay
				4:00 - 4:15	Survey of Inflationary Initial State from CMB and LSS Observations Debabrata Chandra

BITS Pilani

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