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🔍 daniel steiner 📂 Physics 📄 Preprint
Showing 6323 results for "daniel steiner" in Physics · Preprint
Physics Preprint PDF DOI

Environmental dependence of the Mass-Metallicity Star Formation Relations at z=4-10 with JWST

Qiong Li, Christopher J. Conselice, Lewi Westcott, Duncan Austin, Tom Harvey, Nathan Adams, Vadim Rusakov, James Arcidiacono, Caio Moreira Goolsby, Chandana Hegde, Shuqi Fu · 2026

We study how environment affects the mass-metallicity relation (MZR) at $z=4$-$10$ using deep imaging and spectroscopy from the James Webb Space Telescope (JWST). Combining CEERS and JADES, we compile…

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Physics Preprint PDF DOI

Renormalization-group improved Schwarzschild black hole: shadow, ringdown, and strong cosmic censorship

Ahmad Al-Badawi, Faizuddin Ahmed, Izzet Sakall{i} · 2026

We study a renormalization-group (RG) improved Schwarzschild-like black hole (BH) whose lapse interpolates between a classical Schwarzschild exterior and a quantum-smoothed interior governed by a cuto…

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Magnetic Activity Cycles and Rotation in Planet-hosting and Non-hosting Solar-type Stars

Amina Boulkaboul, Alessandro Sozzetti, Caroline Soubiran, Yassine Damerdji · 2026

We analyze periodicities in radial velocity (RV) measurements and magnetic activity indicators (S-index and BIS) for 767 Gaia RV standard stars to distinguish between stellar activity and planetary si…

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Physics Preprint PDF DOI

Accelerating quantum Gibbs sampling without quantum walks

Jiaqi Leng, Jiaqing Jiang, Lin Lin · 2026

Szegedy's quantum walk gives a generic quadratic speedup for reversible classical Markov chains, but extending this mechanism to quantum Gibbs sampling has remained challenging beyond special cases. W…

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Physics Preprint PDF DOI

Quasinormal Modes and Neutrino Energy Deposition for a Magnetically Charged Black Hole in a Hernquist Dark Matter Halo

Ali Ovgun, Reggie C. Pantig, Joel Saavedra · 2026

We investigate quasinormal modes, shadow observables, weak gravitational lensing, and neutrino--antineutrino annihilation for a static, spherically symmetric black hole that carries a nonlinear-electr…

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Physics Preprint PDF DOI

Anomalous Mean-Squared Displacement in Quantum Active Matter from a Wigner Phase-Space Framework

Sangyun Lee, Yehor Tuchkov, Alexander P. Antonov, Benno Liebchen, Hartmut Lowen, Giovanna Morigi, Michael te Vrugt · 2026

Active matter is driven out of equilibrium by a local influx of energy. While classical active matter has been extensively studied, the extension of active matter concepts to quantum systems has been …

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A Morphological Identification and Study of Radio Galaxies from LoTSS DR2. I. The "Winged'' Radio Galaxies

Soumen Kumar Bera, Taotao Fang, Tapan K. Sasmal, M. Kunert-Bajraszewska, Xuelei Chen, Soumen Mondal · 2026

We conducted an extensive identification and analysis of various morphological classes and subclasses of radio galaxies using the latest high-resolution data from the second data release of the LOFAR …

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Physics Preprint PDF DOI

Correlation between active regions' spectra at high radio frequencies and solar flare occurrences

Sara Mulas, Alberto Pellizzoni, Marco Marongiu, Adriana Marcucci, Simona Righini, Maria Noemi Iacolina, Elise Egron, Giulia Murtas, Matteo Bachetti, Francesco Berrilli, Alessandro Cabras, Roberto Caocci, Gian Luigi Deiana, Salvatore Luigi Guglielmino, Colby Haggerty, Adelaide Ladu, Sara Loru, Andrea Maccaferri, Pasqualino Marongiu, Andrea Melis, Alessandro Navarrini, Alessandro Orfei, Pierluigi Ortu, Mauro Pili, Tonino Pisanu, Giuseppe Pupillo, Andrea Saba, Luca Schirru, Giampaolo Serra, Caterina Tiburzi, Giuseppe Valente, Alessandra Zanichelli, Pietro Zucca, Mauro Messerotti · 2026

High radio frequencies observations with the Italian network of large single-dish radio telescopes resulted in ~450 solar images between 2018 and 2023 in K-band frequency range (18-26 GHz). Solar radi…

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Physics Preprint PDF DOI

Composite quantum gates simultaneously compensated for multiple errors

Hristo G. Tonchev, Nikolay V. Vitanov · 2026

Systematic control errors remain a primary obstacle to realizing high-fidelity single-qubit gates. We introduce composite pulse sequences that implement X and Hadamard gates while simultaneously compe…

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Benchmarking Quantum Kernel Support Vector Machines Against Classical Baselines on Tabular Data: A Rigorous Empirical Study with Hardware Validation

Siavash Kakavand, Christoph Strohmeyer, Michael Schlotter · 2026

Quantum kernel methods have been proposed as a promising approach for leveraging near-term quantum computers for supervised learning, yet rigorous benchmarks against strong classical baselines remain …

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Davies-Morris-Shore Framework for Multilevel Quantum Batteries: Dark and Funnel States in Interacting Qutrit Systems

Yigit Percin, Ozgur E. Mustecapl{i}oglu · 2026

Dark and subradiant states have emerged as a promising resource for stabilizing open quantum batteries against dissipation, but existing studies are largely limited to qubit ensembles and symmetry-bas…

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Yukawa scalar self energy at two loop and $\langle \phi^2 \rangle$ in the inflationary de Sitter spacetime

Sourav Bhattacharya, Moutushi Dutta Choudhury · 2026

We have considered the Yukawa theory at two loop in the inflationary de Sitter spacetime, for a massless minimally coupled scalar and a massless fermion. The one loop computation for the same has been…

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Physics Preprint PDF DOI

Static and Dynamic Electronic Properties and the Possible Magnetic Structure of the $4f^3$-$\Gamma_6$ System NdCo2Zn$_{18}$Ga$_2$ Investigated Using $^{59}$Co Nuclear Quadrupole Resonance

Tetsuro Kubo, Atsushi Sasaki, Keita Murooka, Hisashi Kotegawa, Rikako Yamamoto, Takahiro Onimaru, Hideki Tou · 2026

We report $^{59}$Co nuclear quadrupole resonance (NQR) measurements on the Nd-based compound NdCo$_2$Zn$_{18}$Ga$_2$, which undergoes an antiferromagnetic transition at $T_{\rm N} = 1.5$ K. Although t…

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Physics Preprint PDF DOI

AstroSURE: Learning to Remove Noise from Astronomical Images Without Ground Truth Data

Omid Vaheb, Sebastien Fabbro, Stark Draper · 2026

In astronomical imaging, the low photon count of exposures necessitates extensive post-processing steps, including contamination removal and denoising. This paper evaluates deep-learning denoising met…

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A search for the first galaxies across $>0.6$ deg$^2$ of JWST imaging: new evidence for a rapid decline in star-formation activity at $z>12$

D. J. McLeod, J. S. Dunlop, R. J. McLure, C. T. Donnan, R. Begley, S. Antonogiannaki, D. Magee, G. D. Illingworth, P. Arrabal Haro, C. Bondestam, A. C. Carnall, F. Cullen, M. Dickinson, R. S. Ellis, B. L. Frye, H. Golawska, N. A. Grogin, I. J. B. Holst, P. S. Kamieneski, H. -H. Leung, F. -Y. Liu, T. M. Stanton, E. R. Tittley · 2026

We present a new determination of the evolving galaxy UV luminosity function (LF) over the extreme redshift range $12.5<z<18.5$, based on a wide-area search of $>$0.6 deg$^2$ of JWST NIRCam imaging co…

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Entropy Moduli and BKM Coercivity for Rank-Deficient Non-Commutative Markov Semigroups

Hassan Nasreddine · 2026

We study entropy-based certification for non-commutative Markov semigroups with rank-deficient stationary states. We introduce a boundary-activation functional that quantifies deviation from the suppo…

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Amplitudes of Hall field-induced resistance oscillations with a two-harmonic density of states

Miguel Tierz · 2026

We derive explicit strong-field asymptotics for the normalized differential resistance in Hall field-induced resistance oscillations (HIRO) within the Vavilov-Aleiner-Glazman kinetic framework. For a …

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Hanbury Brown-Twiss interferometry at the $\nu=2/5$ fractional quantum Hall edge

Ryotaro Sano, Fumihiro Murabayashi, Daigo Ichikawa, Thibaut Jonckheere, Jerome Rech, Thierry Martin, Masayuki Hashisaka, Takeo Kato · 2026

We propose a Hanbury Brown-Twiss interferometer for a $\nu=2/5$ fractional quantum Hall edge system, in which quasiparticles tunnel between two co-propagating edge modes. In contrast to the previously…

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Physics Preprint PDF DOI

Layer-dependent quantum transport in KV2Se2O-based altermagnetic tunnel junctions

Yue Zhao, Bin Xiao, Jiawei Liu, Hui Zeng, Jun Zhao · 2026

Magnetic tunnel junction (MTJ) is the key component to enable information access and increasing number of MTJs is integrated to develop high-density spintronic devices. However, continuous miniaturiza…

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Physics Preprint PDF DOI

Spinning States and Unitarity in 3D Gravity

Ziyi Li · 2026

We revisit the proposal to cure the negative density of states in the three-dimensional gravitational path integral by adding spinning states whose spin scales with the central charge. We show that su…

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