Indian Institute of Science Education and Research Pune

output

20062026

most citedPlasmofluidic Single-Molecule Surface Enhanced Raman Scattering from Dynamic Assembly of Plasmonic Nanoparticles

1.7k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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61 papers · 1 filter

cond-mat.str-el2025

Interplay of phonons, intertwined density waves, and induced spin density wave in trilayer nickelates Pr4-xLaxNi3O10

Sonia Deswal, Dibyata Rout, Nirmalya Jana +3

Lattice degrees of freedom (DoF) play a central role in correlated electron systems, strongly influencing the dynamics of the underlying charge carriers and spin excitations. In ni…

astro-ph.HE2025

Kerr Black Hole Shadows in Dispersive Plasma: Frequency-Dependent Geodesics and Shadow Distortions

Sai Karan Mukthapuram, Sandeep Kumar Kataria

The black hole shadow, a direct probe of the event horizon's gravitational influence, has been observationally confirmed by the Event Horizon Telescope (EHT). While theoretical mod…

cond-mat.soft2025

Entropic alignment of topologically modified ring polymers in cylindrical confinement

Sanjay Bhandarkar, Debarshi Mitra, Jürgen Horbach +1

Under high cylindrical confinement, segments of ring polymers can be localized along the long axis of the cylinder by introducing internal loops within the ring polymer. The emerge…

astro-ph.HE2025★ 1 cited

Measuring accretion disc properties in the transitional millisecond pulsar PSR J1023+0038 using XMM-Newton, NuSTAR, NICER and Chandra

Vishal Jadoliya, Mayukh Pahari, Sudip Bhattacharyya +1

Whether the accretion disc in the X-ray high-mode of transitional millisecond pulsars (tMSP) reaches near the neutron star surface by penetrating the magnetosphere is a crucial que…

cond-mat.supr-con2025

Conventional superconductivity in single-crystalline BiPt

S. Sharma, M. Pula, Sajilesh K. P. +10

Binary Bi-Pd/Pt systems have attracted a lot of interest because of their topologically non-trivial nature along with superconductivity. We report the structural and superconductin…

cond-mat.supr-con2025★ 1 cited

Point-contact enhanced superconductivity in trigonal PtBi2: quest for the origin of high-Tc

O. E. Kvitnitskaya, L. Harnagea, G. Shipunov +6

We studied enhanced superconductivity in point contacts (PCs) based on a type-I Weyl semimetal trigonal t-PtBi2 using both normal metal (Ag, Cu, Pt) and ferromagnetic (Fe, Co, Ni)…

math.NT2025

The exceptional set in Cassel's theorem on small cyclotomic integers

Jitendra Bajpai, Srijan Das, Kiran S. Kedlaya +4

In a 1965 paper, R. Robinson made five conjectures about the classification of cyclotomic algebraic integers for which the maximum absolute value in any complex embedding (the hous…

math.RT2025

A Combinatorial Technique for the Wedderburn Decomposition of Rational Group Algebras of Nested GVZ $p$ -groups

Ram Karan Choudhary, Sunil Kumar Prajapati

In this article, we present a combinatorial formula for the Wedderburn decomposition of rational group algebras of nested GVZ $p$ -groups, where $p$ is an odd prime. Using this form…

quant-ph2025

Quantum dynamics of spin-J particles in static and rotating magnetic fields: Entanglement resonances and kinks

Nargis Sultana, Siddharth Seetharaman, Rejish Nath

We examine the quantum dynamics of both a single spin-J particle and a pair of spin-J particles in the presence of static and rotating magnetic fields, which can be important for q…

hep-ph2025

Constraining $A \to Z H$ with $H \to t t ˉ$ in the Low-Mass Region

Saiyad Ashanujjaman, Guglielmo Coloretti, Andreas Crivellin +2

The decay $A \to Z H$ is a characteristic signal of two-Higgs-doublet models (2HDMs), where $A$ and $H$ lie primarily within the same $S U (2)_{L}$ multiplet, leading to a coupling of or…

quant-ph2025★ 2 cited

Upper bounds on charging power and tangible advantage in quantum batteries

Sreeram PG, J. Bharathi Kannan, M. S. Santhanam

Quantum battery is expected to outperform its classical counterpart due to quantum effects. Usually, in a quantum battery made of $N$ cells, quantum advantage is demonstrated throu…

cs.DS2025

A Finer View of the Parameterized Landscape of Labeled Graph Contractions

Yashaswini Mathur, Prafullkumar Tale

We study the \textsc{Labeled Contractibility} problem, where the input consists of two vertex-labeled graphs $G$ and $H$ , and the goal is to determine whether $H$ can be obtained f…

astro-ph.EP2025

An Initial Assessment of the Hanle Echelle Spectrograph for Exoplanet Atmosphere Studies

Manjunath Bestha, Athira Unni, T. Sivarani +6

Transmission spectroscopy is an effective technique for probing exoplanetary atmospheres. While most observations have relied on space facilities such as HST and JWST, ground-based…

quant-ph2025

No-go theorem for quantum realization of extremal correlations

Sujan V. K, Ravi Kunjwal

The study of quantum correlations is central to quantum information and foundations. The paradigmatic case of Bell scenarios considers product measurements implemented on a multipa…

astro-ph.CO2025

Conditioning halos on the tidal environment for fast and accurate HI power spectra during reionization

Gaurav Pundir, Tirthankar Roy Choudhury, Aseem Paranjape

Predicting the statistical properties of the neutral hydrogen (HI) density field during reionization is an important step in using upcoming 21 cm observations to constrain models o…

hep-ex2025

Recommendations for Best Practices for Data Preservation and Open Science in HEP

Simone Campana, Irakli Chakaberia, Gang Chen +33

These recommendations are the result of reflections by scientists and experts who are, or have been, involved in the preservation of high-energy physics data. The work has been don…

hep-th2025

An 'exceptional' form for symmetries in maximal supergravity

Sudarshan Ananth, Nipun Bhave

The global symmetries in maximally supersymmetric theories of gravity in $d \geq 4$ are shown to have a universal form in light-cone superspace. The procedure for deriving an all orde…

cond-mat.mtrl-sci2025★ 8 cited

A literature-derived dataset of migration barriers for quantifying ionic transport in battery materials

Reshma Devi, Avaneesh Balasubramanian, Keith T. Butler +1

The rate performance of any electrode or solid electrolyte material used in a battery is critically dependent on the migration barrier ( $E_{m}$ ) governing the motion of the intercala…

astro-ph.SR2025

One year of ASPEX-SWIS operation -- Characteristic features, observations and science potential

Abhishek Kumar, Shivam Parashar, Prashant Kumar +26

The Aditya-L1 mission, India's first dedicated solar observatory positioned at the first Lagrange point (L1) of the Sun-Earth system, carries the Solar Wind Ion Spectrometer (SWIS)…

math.AP2025

Initial boundary value problem for a system derived from Eulerian droplet model for air particle flow

Kayyunnapara Divya Joseph

In this work, we study the initial boundary value problem for a non-strictly hyperbolic $2 \times 2$ system of equations in the quarter plane $x > 0, t > 0$ which is derived from Eulerian…

math.PR2025

Elephant random walks with multiple extractions and general reinforcement functions

Moumanti Podder, Archi Roy

We consider a generalized model of elephant random walks wherein the walker, during the $(n + 1)$ -st time-stamp, draws from the past (i.e. the set ${1, 2, \dots, n}$ ) a sample of $k$ …

math.AP2025

Pointwise convergence to initial data of heat and Hermite-heat equations in Modulation Spaces

Divyang G. Bhimani, Rupak K. Dalai

We characterize weighted modulation spaces (data space) for which the heat semigroup $e^{- t L} f$ converges pointwise to the initial data $f$ as time $t$ tends to zero. Here $L$ stan…

cond-mat.mtrl-sci2025

Crystal field tuned spin-flip luminescence in NiPS3

Léonard Schue, Nashra Pistawala, Hebatalla Elnaggar +8

Layered magnetic materials potentially hold the key to future applications based on optical control and manipulation of magnetism. NiPS3, a prototype member of this family, is anti…