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๐Ÿ” karan verma ๐Ÿ“‚ Physics
Showing 3427 results for "karan verma" in Physics
Physics Preprint PDF DOI

Revisiting the mixing length scaling in pressure-gradient turbulent boundary layers via a symmetry approach

Weitao Bi ยท 2026

A century after Prandtl's mixing length hypothesis, full-profile scaling of the mixing length in pressure-gradient turbulent boundary layers (PG TBLs) remains debated, especially for adverse pressure โ€ฆ

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Physics Preprint PDF DOI

Beyond the Final Label: Exploiting the Untapped Potential of Classification Histories in Astronomical Light Curve Analysis

Zhuoyang Zhou, Alex I. Malz, Chad M. Schafer, Konstantin Malanchev, Guillermo Cabrera-Vives, Christopher Hernandez ยท 2026

The Legacy Survey of Space and Time (LSST) on the Vera C. Rubin Observatory will generate a massive collection of time series (light curves) of the measured flux of transient and variable astronomicalโ€ฆ

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Physics Preprint PDF DOI

Linear feedback control of liquid film on moving substrate via free-surface stresses

Fabio Pino, Benoit Scheid, Miguel A. Mendez, Demetrios T. Papageorgiou ยท 2026

Liquid films on moving substrates are used in dip-coating processes to form uniform protective layers. Controlling free-surface waves is essential due to the film's inherent linear instability. Therefโ€ฆ

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Physics Preprint PDF DOI

Quantitative Evaluation of Forward and Backward Scattering in Isotropic Turbulence via H\"anggi--Klimontovich and It\^o Stochastic Processes

Nicola de Divitiis ยท 2026

This work evaluates the magnitude of the turbulent energy cascade in terms of forward and backward scattering by modeling the "stretch and fold" mechanism through a drift-free Hanggi-Klimontovich stocโ€ฆ

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Physics Preprint PDF DOI

Twisted traces and quantization of moduli stacks of 3d $\mathcal{N}=4$ Chern-Simons-matter theories

Leonardo Santilli ยท 2026

We conjecture, and show in a plethora of examples, that the sphere partition function of 3d $\mathcal{N}=4$ Chern-Simons-matter theories equals a sum of twisted traces on tensor products of Verma moduโ€ฆ

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Physics Preprint PDF DOI

Photometric Super-Resolution for Improving Galaxy Morphological Measurements using Conditional Generative Adversarial Networks

Samuel Kahn (UCSC), Ryan Hausen (Johns Hopkins), Hubert Bretonniere (UCSC), Nicole Drakos (UH), Brant Robertson (UCSC) ยท 2026

The measurement of galaxy morphological parameters from astronomical images features in a wide range of modern analyses, including galaxy evolution and cosmological weak lensing studies. The precisionโ€ฆ

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Physics Preprint PDF DOI

Calibration-Induced Systematics in SALT3 Training and Their Impact on Dark Energy Constraints from Stage IV Supernova Surveys

Kene Anumba, David 0. Jones, Richard Kessler, Daniel Scolnic, W. D'Arcy Kenworthy, Rebecca C. Chen, Bastien Carreres, Maria Vincenzi, Erik R. Peterson, Maria Acevedo, Ben Rose, Dillon Brout, Jillian Paulin, Rujuta A. Purohit, Rebekah Hounsell, The Roman Supernova Cosmology Project Infrastructure Team ยท 2026

In the coming years, the Vera Rubin Observatory's Legacy Survey of Space and Time (Rubin-LSST) and the Nancy Grace Roman Space Telescope's (Roman) High Latitude Time Domain Survey (HLTDS) are expectedโ€ฆ

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Physics Preprint PDF DOI

Vortex structures in electron-positron pair production by two-colored fields

Adiljan Sawut, Ying-Jun Li, Hong-Hao Fan, Bai-Song Xie ยท 2026

We investigate the spin resolved vortex properties of electron positron pairs created from vacuum in time delayed, two color electromagnetic fields. By treating the temporal delay G as a continuous tuโ€ฆ

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Physics Preprint PDF DOI

Testing $\Lambda$CDM versus dynamical dark energy in one year: A DESI spectroscopic follow-up program for Rubin supernovae

Jannik Truong, Greg Aldering, Saul Perlmutter, David Rubin, David Schlegel ยท 2026

Combined cosmological probes currently indicate that best-fit values in the $w_0-w_a$ parametrization of dynamical dark energy deviate from $\Lambda$CDM by $\sim3\sigma$. In this work, we present a suโ€ฆ

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Physics Preprint PDF DOI

Smokescreen: A Python package for data vector blinding and encryption in cosmological analyses

Arthur Loureiro, Jessica Muir, Jonathan Blazek, Nora Elisa Chisari, Pedro H. Costa Ribeiro, Christos Georgiou, C. Danielle Leonard, Bruno Moraes, Marc Paterno, Nikolina Sarcevic, Tilman Troster, Sandro D. P. Vitenti, the LSST Dark Energy Science Collaboration ยท 2026

Smokescreen is an open-source Python library for data-vector concealment (blinding) in cosmological analyses. Data-vector blinding works by applying cosmology-dependent shifts to the observed data vecโ€ฆ

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Physics Preprint PDF DOI

Classifying Supermassive Black Hole Growth Regimes to Observables Across Cosmological Simulations with Forecasts for LSST

Hitaishi Chillara ยท 2026

The possibility of over-massive black holes suggested by James Webb Space Telescope photometric discoveries of 'little red dots', may disfavor light supermassive black hole (SMBH) seeds. However, whatโ€ฆ

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Physics Preprint PDF DOI

NOMAI : A real-time photometric classifier for superluminous supernovae identification. A science module for the Fink broker

E. Russeil, R. Lunnan, J. Peloton, S. Schulze, P. J. Pessi, D. Perley, J. Sollerman, A. Gkini, Y. Hu, T.-W. Chen, E. C. Bellm, T. X. Chen, B. Rusholme ยท 2026

Superluminous supernovae (SLSNe) are one of the most luminous stellar explosions known, yet they remain poorly understood. Because they are intrinsically rare, efficiently identifying them in the largโ€ฆ

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Physics Preprint PDF DOI

An Information-Theoretic Metric for Transient Classification and Novelty Detection

Yu-Qian (Rachel) Ouyang, Alex I. Malz, Ming Lian, Shar Daniels, Federica Bianco, Mathilda Nilsson ยท 2026

The development of the observing strategy for the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) requires a broad optimization across science cases inside and outside of time-domain โ€ฆ

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Physics Preprint PDF DOI

Extragalactic microlensing through Ultra Diffuse Galaxies

Sung Kei Li, Thomas Broadhurst, Jose M. Diego, Jeremy Lim, Jose M. Palencia, James Nianias ยท 2026

Stellar microlensing is a powerful method to constrain compact dark matter models, uncover binary stars, and exoplanets during caustic crossing events. At cosmological distances, {\it James-Webb Spaceโ€ฆ

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Steady-state phonon heat currents and differential thermal conductance across a junction of two harmonic phonon reservoirs

Eduardo C. Cuansing, Juan Rafael K. Bautista ยท 2026

We study phonon transport in junctions of two harmonic reservoirs coupled together by a spring. The exact steady-state heat currents and thermal conductance are calculated using nonequilibrium Green'sโ€ฆ

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Physics Preprint PDF DOI

Searching for Ultracool Dwarfs in Early LSST Data Products

Easton J. Honaker, John E. Gizis, Christian Aganze, Siddharth Chaini, Federica B. Bianco, Marusa Zerjal, Eduardo L. Martin, Riley W. Clarke, Ashton Southwick, Harrison Petrie, Tyler Blask ยท 2026

The Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) promises to drastically accelerate the discovery of ultracool dwarfs (UCDs) over the course of its 10-year survey of the Southernโ€ฆ

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One-to-one correspondence between Hierarchical Equations of Motion and Pseudomodes for Open Quantum System Dynamics

Kai Muller, Walter T. Strunz ยท 2026

We unite two of the most widely used approaches for strongly damped, non-Markovian open quantum dynamics, the Hierarchical Equations of Motion (HEOM) and the pseudomode method by proving two statementโ€ฆ

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Physics Preprint PDF DOI

An archival search for gamma-ray bursts gravitationally lensed by galaxy clusters

Dan Ryczanowski, Benjamin P. Jones, Benjamin P. Gompertz, Graham P. Smith ยท 2026

Discoveries of gamma-ray bursts (GRBs) have become commonplace in recent decades, totalling $\mathcal{O}(10^4)$ unique detections across various missions. However, there have been no confirmed discoveโ€ฆ

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Physics Preprint PDF DOI

Deep Spectroscopy with DESI for Photometric Redshift Training and Calibration

Biprateep Dey, Jeffrey A. Newman, Tianqing Zhang, J. Aguilar, S. Ahlen, A. Anand, B. Andrews, S. Bailey, D. Bianchi, D. Brooks, F. J. Castander, T. Claybaugh, A. Cuceu, K. S. Dawson, A. de la Macorra, J. Della Costa, Arjun Dey, P. Doel, S. Ferraro, A. Font-Ribera, E. Gaztanaga, Satya Gontcho A Gontcho, D. Gruen, G. Gutierrez, J. Guy, H. K. Herrera-Alcantar, K. Honscheid, M. Ishak, R. Joyce, R. Kehoe, D. Kirkby, T. Kisner, A. Kremin, O. Lahav, M. Landriau, L. Le Guillou, A. Leauthaud, M. E. Levi, M. Manera, P. Martini, J. McCullough, A. Meisner, R. Miquel, J. Moustakas, A. D. Myers, J. Myles, S. Nadathur, N. Palanque-Delabrouille, W. J. Percival, F. Prada, I. Perez-Rafols, G. Rossi, L. Samushia, E. Sanchez, D. Schlegel, M. Schubnell, H. Seo, J. Silber, D. Sprayberry, G. Tarle, B. A. Weaver, N. Weaverdyck, R. H. Wechsler, R. Zhou, H. Zou ยท 2026

Deep spectroscopic samples can be used to improve photometric redshift (photo-$z$) estimates and reduce uncertainties on redshift distributions. Such improvements can increase the cosmological constraโ€ฆ

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Physics Preprint PDF DOI

Coexistence of CHSH Nonlocality and KCBS Contextuality in a Single Quantum State

Khai Nguyen, Duc M. Doan, Hung Q. Nguyen ยท 2026

Contextuality and nonlocality are distinct manifestations at the foundation of quantum mechanics, yet their coexistence within a single quantum state remains subtle. In a hybrid CHSH--KCBS scenario inโ€ฆ

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