activity
20192026
most citedOn the Opportunities and Risks of Foundation Models

2.3k citations · 3.7k across the 45 of their papers we have counts for

collaborators

46 papers

gr-qc2026

Observational constraints on viscous free- fluid in gravity

Simran Arora, Sai Swagat Mishra, P. K. Sahoo

We study the late-time cosmological dynamics of a spatially flat FLRW universe in the framework of gravity, where denotes the nonmetricity scalar. The matter sector is m…

gr-qc2024★ 19 cited

gravity, and its cosmological implications

Ayush Hazarika, Simran Arora, P. K. Sahoo +1

Symmetric teleparallel gravity and its extensions have emerged as promising alternatives to General Relativity (GR), yet the role of explicit geometry-matter couplings remai…

gr-qc2024★ 4 cited

Cosmological dynamics of interacting dark energy and dark matter in gravity

Gaurav N. Gadbail, Simran Arora, Phongpichit Channuie +1

In this work, we explore the behavior of interacting dark energy and dark matter within a model of gravity, employing a standard framework of dynamical system analysis. We c…

gr-qc2024★ 24 cited

Energy conditions in the theory of gravity

Simran Arora, P. H. R. S. Moraes, P. K. Sahoo

We construct the energy conditions for the recently proposed gravity theory, for which is a generic function of the Ricci scalar , matter lagrangian density a…

gr-qc2024★ 9 cited

Reconstruction of the singularity-free gravity via Raychaudhuri equations

Gaurav N. Gadbail, Simran Arora, P. K. Sahoo +1

We study the bounce cosmology to construct a singularity-free model using the reconstruction technique. The formulation of the model is based on t…

astro-ph.CO2023★ 6 cited

Revisiting kink-like parametrization and constraints using OHD/Pantheon+/BAO samples

Simran Arora, P. K. Sahoo

We reexamine the kink-like parameterization of the deceleration parameter to derive constraints on the transition redshift from cosmic deceleration to acceleration. This is achieve…

cond-mat.mtrl-sci2023

Ni cluster embedded (111)NiO layers grown on (0001)GaN films using pulsed laser deposition technique

Simran Arora, Shivesh Yadav, Amandeep Kaur +3

(111) NiO epitaxial layers embedded with crystallographically oriented Ni-clusters are grown on c-GaN/Sapphire templates using pulsed laser deposition technique. Structural and mag…

cs.IR2023

Resources and Evaluations for Multi-Distribution Dense Information Retrieval

Soumya Chatterjee, Omar Khattab, Simran Arora

We introduce and define the novel problem of multi-distribution information retrieval (IR) where given a query, systems need to retrieve passages from within multiple collections,…

cs.CL2023★ 8 cited

Language Models Enable Simple Systems for Generating Structured Views of Heterogeneous Data Lakes

Simran Arora, Brandon Yang, Sabri Eyuboglu +4

A long standing goal of the data management community is to develop general, automated systems that ingest semi-structured documents and output queryable tables without human effor…

astro-ph.CO2023★ 77 cited

On the impact of gravity on the Large Scale Structure

Oleksii Sokoliuk, Simran Arora, Subhrat Praharaj +2

We investigate the exponential symmetric teleparallel gravitation, namely using \texttt{ME-GADGET} code to probe the structure formation…

gr-qc2023★ 53 cited

Constant sound speed and its thermodynamical interpretation in gravity

M. Koussour, Simran Arora, Dhruba Jyoti Gogoi +2

On the basis of homogeneous and isotropic Friedmann-Lemaitre-Robertson-Walker (FLRW) geometry, solutions to the issues of cosmic acceleration and dark energy are being put forth wi…

gr-qc2023★ 15 cited

Cosmology with viscous generalized Chaplygin gas in gravity

Gaurav N. Gadbail, Simran Arora, P. K. Sahoo

We use the hybrid model of bulk viscosity and generalized chaplygin gas (GCG), named the viscous generalized chaplygin gas (VGCG) model, which is thought to be an alternate dark fl…

gr-qc2023★ 11 cited

Dark energy constraint on equation of state parameter in the Weyl type gravity

Gaurav N. Gadbail, Simran Arora, P. K. Sahoo

The equation of state parameter is a significant method for characterizing dark energy models. We investigate the evolution of the equation of state parameter with redshift using a…

gr-qc2023★ 37 cited

Reconstruction of Lagrangian for various cosmological scenario

Gaurav N. Gadbail, Simran Arora, P. K. Sahoo

The variety of theories that can account for the dark energy phenomenon encourages current research to concentrate on a more in-depth examination of the potential impacts of modifi…

cond-mat.mtrl-sci2023

Spatially indirect interfacial excitons in n-ZnO/p-GaN heterostructures

Simran Arora, Subhabrata Dhar

Electroluminescence properties of epitaxially grown n-ZnO/p-GaN pn-heterojunctions are investigated as functions of applied bias and temperature. The study reveals the existence of…

gr-qc2022★ 12 cited

Squared torsion gravity and its cosmological implications

Simran Arora, Aaqid Bhat, P. K. Sahoo

We present the coupling of the torsion scalar and the trace of energy-momentum tensor , which produces new modified gravity. Moreover, we consid…

cs.CL2022★ 75 cited

Ask Me Anything: A simple strategy for prompting language models

Simran Arora, Avanika Narayan, Mayee F. Chen +6

Large language models (LLMs) transfer well to new tasks out-of-the-box simply given a natural language prompt that demonstrates how to perform the task and no additional training.…

gr-qc2022★ 19 cited

Interaction of divergence-free deceleration parameter in Weyl-type gravity

Gaurav N. Gadbail, Simran Arora, Praveen Kumar +1

We study an extension of symmetric teleparallel gravity i.e. Weyl-type gravity and the divergence-free parametrization of the deceleration parameter $q(z) = q_{0}+q_{1}\fr…

gr-qc2022★ 16 cited

Can gravity isotropize a pre-bounce contracting universe?

Simran Arora, Sanjay Mandal, Saikat Chakraborty +2

We address the important issue of isotropisation of a pre-bounce contracting phase in gravity, which would be relevant to construct any viable nonsingular bouncing scenario…

gr-qc2022★ 10 cited

Impact of curvature based geometric constraints on theory

Tee-How Loo, Avik De, Simran Arora +1

Theories of gravity are fundamentally a relation between matter and the geometric structure of the underlying spacetime. So once we put some additional restrictions on the spacetim…

hep-ph2022★ 1 cited

Muon () and W-boson mass Anomaly in a Model Based on Symmetry with Vector like Fermion

Simran Arora, Monal Kashav, Surender Verma +1

The latest results of CDF-II collaboration show a discrepancy of with standard model expectations. There is, also, a discrepancy in the measurement of muon magnetic mom…

hep-ph2022★ 6 cited

Muon () in Scotogenic Model Extended with Vector like Fermion

Simran Arora, Monal Kashav, Surender Verma +1

The latest results of anomalous muon magnetic moment at Fermilab show a discrepancy of 4.2 between the Standard Model (SM) prediction and experimental value. In this work, we r…

gr-qc2022★ 31 cited

Generalized Chaplygin gas and accelerating universe in gravity

Gaurav N. Gadbail, Simran Arora, P. K. Sahoo

The generalized Chaplygin gas (GCG), which has an unusual perfect fluid equation of state, is another promising candidate for dark energy. We investigate the GCG scenario coupled w…

gr-qc2022★ 47 cited

Crossing phantom divide in gravity

Simran Arora, P. K. Sahoo

We investigate the possibility of crossing a phantom divide line in the extension of symmetric teleparallel gravity or the gravity, where is the non-metricity. We study…