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๐Ÿ” anna schuhmann ๐Ÿ“‚ Physics
Showing 422 results for "anna schuhmann" in Physics
Physics Preprint PDF DOI

Testing $\Lambda$CDM with ANN-Reconstructed Expansion History from Cosmic Chronometers

Yuki Hashimoto, Kazuharu Bamba, Sanjay Mandal ยท 2026

In modern cosmology, the rapid growth of high-precision observational data, along with significant theoretical advances, has intensified the challenge of identifying a robust, model-independent framewโ€ฆ

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Physics Preprint PDF DOI

Orlov-Schulman symmetries of the self-dual conformal structure equations

L. V. Bogdanov ยท 2026

We construct Orlov-Schulman symmetries for the self-dual conformal structure (SDCS) hierarchy. We provide an explicit proof of compatibility of additional symmetries with the basic Lax-Sato flows of tโ€ฆ

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Physics Preprint PDF DOI

Inside the Black Box of Big Bang Nucleosynthesis: Parameter Sensitivity Studies in Light of new LBT Data

Anne-Katherine Burns ยท 2026

In this study we present a comprehensive sensitivity atlas for Big Bang Nucleosynthesis (BBN) in which we quantify the dependence of the primordial abundances of helium-4, deuterium, and lithium-7 as โ€ฆ

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Physics Preprint PDF DOI

Testing General Relativity on Galactic Scales via DESI-BAO and Strong Lensing: Circumventing Assumptions on the Hubble Constant, Sound Horizon, and Dark Energy

Hengyu Wu, Tonghua Liu, Chenggang Shao ยท 2026

We present a cosmological model-independent framework for testing general relativity (GR) on galactic scales by combining baryon acoustic oscillation (BAO) angular scale measurements with 120 galaxy-sโ€ฆ

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Physics Preprint PDF DOI

Modeling Quasar Photo-$z$ Distribution and Uncertainty. A Study Based on the Kilo-Degree Survey

Kacper Drabicki, Szymon J. Nakoneczny, Maciej Bilicki ยท 2026

We aim to determine the most effective approach for estimating uncertainties in quasar photo-$z$ and to evaluate the ability of different models to reconstruct the true redshift distribution under varโ€ฆ

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Physics Preprint PDF DOI

Tightening Cosmological Constraints Within and Beyond $\Lambda$CDM Using Gamma-Ray Bursts Calibrated with Type Ia Supernovae

Wei Hong, Luca Izzo, Massimo Della Valle, Orlando Luongo, Marco Muccino, Tong-Jie Zhang ยท 2026

Context. Gamma-ray bursts (GRBs) reach redshifts beyond Type Ia supernovae (SNe Ia) and can extend distance measurements into the early Universe, but their use as distance indicators is limited by theโ€ฆ

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Physics Preprint PDF DOI

An efficient finite element formulation for Newtonian noise analysis

Pieter Reumers, Xhorxha Kuci, Stijn Francois, Geert Degrande ยท 2026

The Einstein Telescope is a third-generation underground gravitational wave observatory designed to achieve unprecedented sensitivity down to 3 Hz. Waves propagating in the soil due to anthropogenic oโ€ฆ

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Physics Preprint PDF DOI

Exploring the Viability of Fisher Discriminants in Galaxy Morphology Classification

Sazatul Nadhilah Zakaria, Santtosh Muniyandy, John Y. H. Soo ยท 2026

One of the major challenges in astronomy involves accurately classifying galaxies, particularly distinguishing between different galaxy types. While many complex algorithms have shown strong performanโ€ฆ

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Physics Preprint PDF DOI

Artificial Neural Network (ANN) -- Oscillatory Neural Network (ONN) Hybrid System Using Domain-Wall Synapse Devices and Nano-Constriction Spin Hall Nano Oscillators

Raman Hissariya, Gajjala Venkata Sreekar Reddy, Ashwin Tulapurkar, Debanjan Bhowmik ยท 2026

A coupled spintronic oscillator array has been considered attractive for neuromorphic computing applications. Experimental reports have shown the nano-constriction geometry to be a relatively easier-tโ€ฆ

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Physics Preprint PDF DOI

Testing the cosmic distance-duality relation with localized fast radio bursts: a cosmological model-independent study

Jeferson A. S. Fortunato, Surajit Kalita, Amanda Weltman ยท 2026

We test the Etherington cosmic distance-duality relation (CDDR), by comparing Type Ia supernova (SNIa) luminosity-distance information from the Pantheon+ compilation with an angular-diameter-distance โ€ฆ

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Physics Preprint PDF DOI

A comparative study of transformer models and recurrent neural networks for path-dependent composite materials

Petter Uvdal, Mohsen Mirkhalaf ยท 2026

Accurate modeling of Short Fiber Reinforced Composites (SFRCs) remains computationally expensive for full-field simulations. Data-driven surrogate models using Artificial Neural Networks (ANNs) have bโ€ฆ

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Physics Preprint PDF DOI

GW-FALCON: A Novel Feature-Driven Deep Learning Approach for Early Warning Alerts of BNS and NSBH Inspirals in Next-Generation GW Observatories

Grigorios Papigkiotis, Georgios Vardakas, Nikolaos Stergioulas ยท 2026

Next-generation GW observatories such as the ET and CE will detect BNS and NSBH inspirals with high SNRs and long in-band durations, making systematic early-warning alerts both feasible and scientificโ€ฆ

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Physics Preprint PDF DOI

Extending Bell's Theorem: Nonlocality via Measurement Dependence

G. Bacciagaluppi, R. Hermens, G. Leegwater ยท 2026

Besides well-known conditions of locality or factorisability, deriving the Bell inequalities requires assuming that the distribution of hidden variables and Alice's and Bob's measurement settings be iโ€ฆ

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Physics Preprint PDF DOI

Empirical Evidence of Planetary Group Configurations Modulating Solar Activity

Jeff A Hansen, Shaun David Brocus Fell ยท 2026

Our prior research found that a $90^{\circ}$ configuration of two planetary groups were temporally associated with significant changes in global electromagnetic standing waves (Schumann resonances) duโ€ฆ

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Physics Preprint PDF DOI

Statistical physics for artificial neural networks

Zongrui Pei ยท 2025

The 2024 Nobel Prize in Physics was awarded for pioneering contributions at the intersection of artificial neural networks (ANNs) and spin-glass physics, underscoring the profound connections between โ€ฆ

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Physics Preprint PDF DOI

Effective $\Lambda$CDM model emerging from $f(Q,T)$ under a special EOS limit in symmetric cosmology with Bayesian and ANN observational constraints

Anil Kumar Yadav, S. H. Shekh, N. Myrzakulov ยท 2025

In this work, we investigate the cosmological consequences of an effective $f(Q)$ model emerging from the more general $f(Q,T)$ gravity theory under the special equation-of-state condition $\rho + p =โ€ฆ

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Physics Preprint PDF DOI

An Interpretable Operator-Learning Model for Electric Field Profile Reconstruction in Discharges Based on the EFISH Method

Zhijian Yang, Edwin Setiadi Sugeng, Mhedine Alicherif, Tat Loon Chng ยท 2025

Machine learning (ML) models have recently been used to reconstruct electric field distributions from EFISH signal profiles-the 'inverse EFISH problem'. This addresses the line-of-sight EFISH inaccuraโ€ฆ

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Physics Preprint PDF DOI

Accelerating reionization constraints: An ANN-emulator framework for the SCRIPT Semi-numerical Model

Saptarshi Sarkar, Tirthankar Roy Choudhury ยท 2025

Constraining the Epoch of Reionization (EoR) with physically motivated simulations is hampered by the high cost of conventional parameter inference. We present an efficient emulator-based framework thโ€ฆ

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Physics Preprint PDF DOI

The VVVX quest for satellites around the Circinus galaxy

L. D. Baravalle, A. L. O'Mill, M. V. Alonso, C. Obasi, D. Minniti, M. Gomez, C. Villalon, J. Nilo-Castellon, C. Valotto, M. Soto, I. V. Daza Perilla, M. A. Sgro, J. G. Fernandez-Trincado ยท 2025

The Circinus galaxy is the nearest type-2 Seyfert galaxy, which is at a distance of 4.2 Mpc. Its environment is challenging to explore because it is located at low Galactic latitudes, behind the Galacโ€ฆ

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Physics Preprint PDF DOI

Classical scattering matrix for hard and soft Bose-excitations in a non-Abelian plasma within the Hamiltonian formalism

Yu.A. Markov, M.A. Markova, D.M. Gitman, N.Yu. Markov ยท 2025

Within the framework of the Zakharov-Schulman approach, in close analogy with the methods of quantum field theory, the classical scattering matrix for the simplest process of interaction between hard โ€ฆ

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