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Showing 815 results for "india)" in Physics · Preprint
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Discovery of Graphene Sheets and C-Rich Micro-Oval structure in Stingless Bee Hive; Leading to an Emergent Material with Debut of Blue Emission

Manas Kumar Dalai, Ankita Mahakhuda, Abinash Prusty · 2026

Naturally produced stingless bee hive (NP-SBH) is an intricately produced material by the combination of waxes, resin and other biological materials that offers protection and structural stability to …

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Site Quality Analysis for an Indian Submillimeter Telescope: A Reanalysis-Based Approach

Tanmay Singh, Mayuri Sathyanarayana Rao, Ritoban Basu Thakur · 2026

The Himalayan plateau region of Ladakh, India, is a potential host for a science-class submillimeter observatory, building on existing astronomical infrastructure near Hanle and Merak. Using the fifth…

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Not too close! Evaluating the impact of the baseline on the localization of binary black holes by next-generation gravitational-wave detectors

Francesco Iacovelli, Luca Reali, Emanuele Berti, Alessandra Corsi, B. S. Sathyaprakash, Digvijay Wadekar · 2026

Next-generation (XG) gravitational-wave detectors, such as Cosmic Explorer (CE) and the Einstein Telescope (ET), will observe compact binary coalescences at unprecedented rates and signal-to-noise rat…

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Controlling the rain fall statistics using Mean-Reverting Jump Diffusion model

Joya GhoshDastider, D. Pal, Pankaj Kumar Mishra · 2026

We present a stochastic mean-reverting jump-diffusion model to simulate rainfall time series and validate it using long-term half-hourly rain fall data from the North-East region of India. The model c…

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Development of ProtoPol: a medium resolution echelle spectro-polarimeter for PRL telescopes, Mt Abu, India -- Part II : the data-reduction pipeline, on-sky characterization $\&$ performance verification and first science results

Arijit Maiti, Mudit K. Srivastava, Vipin Kumar, Bhaveshkumar Mistry, Ankita Patel, Vaibhav Dixit, Ruchi Pandey, Jay Chitroda · 2026

We present the development of ProtoPol - a medium resolution echelle spectro-polarimeter for the PRL 1.2m and 2.5m telescopes at Mt Abu observatory, India. In this second and final part of the paper s…

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Development of ProtoPol: a medium resolution echelle spectro-polarimeter for PRL telescopes, Mt Abu, India -- Part I : the design, development and laboratory characterization

Mudit K. Srivastava, Arijit Maiti, Vipin Kumar, Bhaveshkumar Mistry, Ankita Patel, Vaibhav Dixit, Kevikumar A. Lad · 2026

ProtoPol is a medium-resolution echelle spectro-polarimeter developed for Physical Research Laboratory (PRL) 1.2m and 2.5m telescopes, Mt. Abu, India. Though initially conceived to evaluate the develo…

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Development of a one-dimensional position sensitive detector for Compton X-ray polarimeters

Abhay Kumar, Santosh V. Vadawale, N. P. S. Mithun, Tanmoy Chattopadhyay, S. K. Goyal, A. R. Patel, M. Shanmugam · 2026

The scientific potential of X-ray polarimetry has long been recognized, but the challenges in measuring polarization have left it largely unexplored, particularly in the hard X-ray regime. While treme…

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From False Roots to Phasors: Negative and Complex Numbers in Mathematics, Physics, and Electrical Engineering

Alex Krasnok · 2026

Negative and complex numbers are so familiar in modern mathematics, physics, and engineering that it is easy to forget how uncertain their status once was. They did not become established through a si…

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Automatic Characterization of Mid-latitude Multiple Ionospheric Plasma Structures from All-sky Airglow Images using Deep Learning Technique

Jeevan Upadhyaya, Satarupa Chakrabarti, Rahul Rathi, Virendra Yadav, Dipjyoti Patgiri, Gaurav Dixit, M.V. Sunil Krishna, Sumanta Sarkhel · 2026

The F-region ionospheric plasma structures are propagating high and or low electron density regions in the Earth ionosphere. These plasma structures can be observed using ground based all-sky airglow …

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Observations of a Twin Pair of Atypical Solar Flares and a Magnetic-reconnection Scenario

Satyam Agarwal, Alphonse C. Sterling, Shibu K. Mathew, Ronald L. Moore, Qiang Hu, Ramit Bhattacharyya · 2026

We present observations and a magnetic-reconnection scenario of a twin pair of "atypical flares" that occurred on 2022 April 22 in a quadrupolar magnetic configuration formed by two active regions. Th…

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Constraining the onset height of coronal mass ejection driven shocks using near-Sun observations in visible and radio wavelengths

C. Kathiravan, V. Muthupriyal, R. Ramesh · 2026

One of the debated issues about the onset of the type II radio bursts near the Sun is the heliocentric distance ($r$) at which the associated magnetohydrodynamic (MHD) shocks are formed, and the assoc…

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Three-Dimensional Kinematics of the Oxygen-rich Supernova Remnant G292.0+1.8

Adele L. Plunkett, P. Frank Winkler, Knox S. Long, Dan Milisavljevic · 2026

Studying the remnants of young core-collapse supernovae (SNe) can yield insight into the chemical composition of their progenitors and the geometry of the explosions. The supernova remnant (SNR) G292.…

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Medium effects on light clusters from heavy-ion collisions within a relativistic mean-field description

Tiago Custodio, Francesca Gulminelli, Alex Rebillard-Soulie, Diego Gruyer, Remi Bougault, Tuhin Malik, Helena Pais, Constanca Providencia · 2026

Central $^{136,124}$Xe$+^{124,112}$Sn collisions from INDRA data are analysed using a Bayesian inference on light nuclei multiplicities to estimate the thermodynamical parameters and in-medium modific…

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Identifying Host Galaxies of Binary Black Hole Mergers with Next-Generation Gravitational Wave Detector Networks

Sumedha Biswas, Andrew Levan, Peter G. Jonker, Kendall Ackley, Gregory Ashton, Nikhil Sarin · 2026

Identifying the host galaxy of a binary black hole (BBH) merger detected via gravitational waves (GWs) remains a challenge due to the absence of electromagnetic counterparts and the large localization…

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Relativistic electron dynamics in ultra-intense lasers

Amol R Holkundkar · 2026

These lectures at Winter School on Intense Laser Science (WiSILS-2024) at IIT Jodhpur, India, will focus on the Relativistic charge particle dynamics in ultra-intense laser pulses. We will be learning…

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Development of next-generation light-weight ternary Mg--Al--Li alloys for beampipe applications in particle accelerators

Kamaljeet Singh, Kangkan Goswami, Raghunath Sahoo, Sumanta Samal · 2026

The current study reports the design of advanced light-weight materials for high-energy accelerator beampipe applications. The objective is to optimize the combined requirements of high radiation leng…

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Design, Fabrication and Testing of a D-Shaped High Temperature Superconducting Magnet

Upendra Prasad, Mahesh Ghate, Piyush Raj, Deven Kanabar, Pankaj Varmora, Swati Roy, Arun Panchal, Dhaval Bhavsar, Anees Bano, Nitish Kumar, Bhadresh Parghi, Akhilesh Yadav, Mohd.Umer, Vijay Vasava, Raton Mandal, Rajkumar Ahirwar, Megha Thaker · 2026

High-temperature technical superconductors are potential candidates for compact and high-field tokamak magnets. The demand for higher fusion power can be met with an on-axis high magnetic field due to…

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Plasma-Enhanced Germination in North Indian Wheat

Punit Kumar, Abhishek Kumar Singh, Priti Saxena · 2026

The application of nonthermal plasma in agriculture has emerged as a sustainable and eco-friendly method to enhance seed vigor, germination, and crop productivity. This study investigates the effects …

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Probing millisecond magnetar formation in binary neutron star mergers through X-ray follow-up of gravitational wave alerts

Clara Plasse, Alexis Reboul-Salze, Jerome Guilet, Diego Gotz, Nicolas Leroy, Raphael. Raynaud, Matteo Bugli, Tito Dal Canton · 2026

The nature of the remnant of a binary neutron star (BNS) merger is uncertain. Though certainly a black hole (BH) in the cases of the most massive BNSs, X-ray lightcurves from gamma-ray burst (GRB) aft…

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Synergistic Bioactivity of Neem and Tulsi Infusions Treated with Plasma-Activated Water

Punit Kumar, Abhishek Kumar Singh, Priti Saxena · 2026

The integration of plasma activated water (PAW) with herbal infusions offers a sustainable approach to enhancing the functional bioactivity of plant derived compounds. In this study, neem (Azadirachta…

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