output
20152026
most citedVariational Quantum Classifiers Through the Lens of the Hessian

35 citations

26 papers

cs.DC2026

LLM-Based Multi-Agent Collaboration for Constrained Multi-Objective Container Placement

Suvarthi Sarkar, Abhishek Hazra, Akshat Mittal +1

Container placement in data centers must simultaneously minimize power consumption and maximize affinity preferences, while satisfying multi-resource capacity and anti-affinity con…

gr-qc2026★ 2 cited

GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1839

GW240925 and GW250207 are two loud gravitational-wave signals from binary black hole coalescences observed with network signal-to-noise ratios and , respectively…

gr-qc2026

Narrowband searches for continuous gravitational waves from known pulsars in the first two parts of the fourth LIGO--Virgo--KAGRA observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1853

Rotating non-axisymmetric neutron stars (NSs) are promising sources for continuous gravitational waves (CWs). Such CWs can, if detected, inform us about the internal structure and…

astro-ph.IM2025★ 6 cited

The Indian Pulsar Timing Array Data Release 2: I. Dataset and Timing Analysis

Prerna Rana, Pratik Tarafdar, Nobleson K +44

The Indian Pulsar Timing Array (InPTA) employs unique features of the upgraded Giant Metrewave Radio Telescope (uGMRT) to monitor dozens of the International Pulsar Timing Array (I…

quant-ph2025

Quantum state transfer and periodicity in discrete-time quantum walks under non--Markovian dephasing noise

Monika Rani, Supriyo Dutta, Subhashish Banerjee

In quantum communication, quantum state transfer from one location to another in a quantum network plays a prominent role, where the impact of noise could be crucial. The idea of s…

gr-qc2025★ 6 cited

Non-Equatorial Deflection of Light due to Kerr-Newman Black Hole: A Material Medium Approach

Saswati Roy, Shubham Kala, Prasanjit Ghosh +2

We explored the effect of space-time geometry on the trajectory of light rays in the context of a charged, rotating black hole. We derived an analytical expression for the deflecti…

cs.CL2025★ 3 cited

ProdRev: A DNN framework for empowering customers using generative pre-trained transformers

Aakash Gupta, Nataraj Das

Following the pandemic, customers, preference for using e-commerce has accelerated. Since much information is available in multiple reviews (sometimes running in thousands) for a s…

gr-qc2025★ 9 cited

Deflection of Light due to Kerr Sen Black Hole in Heterotic String Theory using Material Medium Approach

Saswati Roy, Shubham Kala, Atanu Singha +2

The deflection of light in the gravitational field of a massive body can be analyzed through diverse theoretical approaches. The null geodesic approach is commonly employed to calc…

cond-mat.str-el2024

Magnetic structure and crystal field states of antiferromagnetic CeNiGe: Neutron scattering and SR investigations

A. Kataria, R. Kumar, D. T. Adroja +9

We present the results of microscopic investigations of antiferromagnetic CeNiGe, using neutron powder diffraction (NPD), inelastic neutron scattering (INS), and muon spin rela…

quant-ph2024★ 3 cited

Non-Markovianity in Discrete-Time Open Quantum Random Walk on Arbitrary Graphs

Monika Rani, Supriyo Dutta, Subhashish Banerjee

In this work, we present a new model of the Discrete-Time Open Quantum Walk (DTOQW) applicable to an arbitrary graph, thereby going beyond the case of quantum walks on regular grap…

quant-ph2024★ 6 cited

Discrete-Time Open Quantum Walks for Vertex Ranking in Graphs

Supriyo Dutta

This article presents a new quantum PageRank algorithm on graphs using discrete-time open quantum walks. Google's PageRank is a widely used algorithm for ranking the web pages on t…

astro-ph.EP2023★ 12 cited

VaTEST II: Statistical Validation of 11 TESS-Detected Exoplanets Orbiting K-type Stars

Priyashkumar Mistry, Kamlesh Pathak, Aniket Prasad +48

NASA's Transiting Exoplanet Survey Satellite (TESS) is an all-sky survey mission designed to find transiting exoplanets orbiting nearby bright stars. It has identified more than 32…

quant-ph2022★ 1 cited

Perfect state transfer using Markovian quantum walk

Supriyo Dutta

The quantum Perfect State Transfer (PST) is a fundamental tool of quantum communication in a network. It is not easy to achieve in practice. The original idea of PST depends on the…

astro-ph.EP2022★ 11 cited

VaTEST I: Validation of Sub-Saturn Exoplanet TOI-181b in Narrow Orbit from its Host Star

Priyashkumar Mistry, Kamlesh Pathak, Georgios Lekkas +11

We present here a validation of sub-Saturn exoplanet TOI-181b orbiting a K spectral type star TOI-181 (Mass: 0.822 0.04 M, Radius: 0.745 0.02 R, Tem…

cs.LG2021★ 2 cited

Recent Trends in Artificial Intelligence-inspired Electronic Thermal Management

Aviral Chharia, Nishi Mehta, Shivam Gupta +1

The rise of computation-based methods in thermal management has gained immense attention in recent years due to the ability of deep learning to solve complex 'physics' problems, wh…

quant-ph2021★ 12 cited

Qudit States in Noisy Quantum Channels

Supriyo Dutta, Subhashish Banerjee, Monika Rani

In this work, we analyze a number of noisy quantum channels on a family of qudit states. The channels studied are the dit-flip noise, phase flip noise, dit-phase flip noise, depola…

quant-ph2021★ 35 cited

Variational Quantum Classifiers Through the Lens of the Hessian

Pinaki Sen, Amandeep Singh Bhatia, Kamalpreet Singh Bhangu +1

In quantum computing, the variational quantum algorithms (VQAs) are well suited for finding optimal combinations of things in specific applications ranging from chemistry all the w…

hep-th2021★ 3 cited

Removal of instabilities of the higher derivative theories in the light of antilinearity

Biswajit Paul, Himangshu Dhar, Biswajit Saha

Theories with higher derivatives involve linear instabilities in the Hamiltonian commonly known as Ostrogradski ghosts and can be viewed as a very serious problem during quantizati…

hep-th2020★ 2 cited

Ghosts in higher derivative Maxwell-Chern-Simon's theory and symmetry

Biswajit Paul, Himangshu Dhar, Biswajit Saha

Ghost fields in quantum field theory have been a long-standing problem. Specifically, theories with higher derivatives involve ghosts that appear in the Hamiltonian in the form of…

physics.class-ph2020★ 17 cited

Dodecanacci superconductor-metamaterial photonic quasicrystal

Chittaranjan Nayak, Alireza Aghajamali, Mehdi Solaimani +4

Using the transfer matrix method, the present paper attempt to determine the properties of the photonic spectra of the Dodecanacci superconductor-metamaterial one-dimensional quasi…

math.CO2018★ 3 cited

A Boolean Functions Theoretic Approach to Quantum Hypergraph States and Entanglement

Supriyo Dutta

The hypergraph states are pure multipartite quantum states corresponding to a hypergraph. It is an equal superposition of the states belonging to the computational basis. Given any…

hep-th2018★ 3 cited

Treating Ostrogradski instability for Gallilean invariant Chern Simon's model via \mathcal{PT} symmetry

Biswajit Paul, Himangshu Dhar, Mangobinda Chowdhury +1

The Ostrogradski ghost problem that appears in higher derivative theories containing constraints has been considered here. Specifically we have considered systems where only the se…

gr-qc2017★ 17 cited

Removing Ostrogradski ghost from degenerate gravity theories

Biswajit Paul

The Ostrogradski ghost problem that appears in higher derivative system is considered for systems with constraints. A prescription for removal of the ghost creating momenta is desc…

quant-ph2016★ 24 cited

Space-time fluctuations and a stochastic Schrödinger-Newton equation

Sayantani Bera, Priyanka Giri, Tejinder P. Singh

We propose a stochastic modification of the Schrödinger-Newton equation which takes into account the effect of extrinsic spacetime fluctuations. We use this equation to demonstrate…