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๐Ÿ” rainer blatt ๐Ÿ“‚ Physics
Showing 3282 results for "rainer blatt" in Physics
Physics Preprint PDF DOI

CSST Preparations: Galaxy Completeness and S\'ersic Profile Fitting across the Wide, Deep, and Extreme Fields

Ziqi Ma, Si-Yue Yu, Taotao Fang, Jinyi Shangguan, Zhao-Yu Li, Luis C. Ho ยท 2026

The upcoming imaging survey of the Chinese Space-station Survey Telescope (CSST) will deliver high-resolution imaging of an unprecedented number of galaxies for galaxy studies. To understand CSST's caโ€ฆ

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Physics Preprint PDF DOI

The Deep Newtonian Regime in Late-Time Blast Waves: Inevitable Transition and Distinct Flux Signatures

Sk. Minhajur Rahaman, Jonathan Granot, Paz Beniamini ยท 2026

In many astrophysical transients, outflows drive shocks into the ambient medium, accelerating electrons to non-thermal energy distributions that produce broadband synchrotron emission. At late times, โ€ฆ

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Physics Preprint PDF DOI

HI 21-cm absorption in low- and high-excitation radio-loud AGNs at $z<0.5$ from MALS

P. P. Deka, N. Gupta, J-.K. Krogager, S. A. Balashev, H.-W. Chen, F. Combes, H.-R. Klockner, P. Noterdaeme ยท 2026

We present results from a search of cold neutral gas associated with radio-loud active galactic nuclei (AGNs) at $z < 0.5$ using HI 21-cm absorption measurements from the MeerKAT Absorption Line Surveโ€ฆ

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Physics Preprint PDF DOI

Collision Energy Dependence of Hypertriton Production in Au+Au Collisions at RHIC

The STAR Collaboration ยท 2026

The STAR Collaboration reports measurements of the collision energy dependence of hypertriton (${}^{3}_{\Lambda}$H) transverse momentum spectra and $p_{\rm T}$-integrated yields at mid-rapidity ($|y|<โ€ฆ

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Physics Preprint PDF DOI

Self-averaging parameter estimation for coarse-grained particle models

Carlos Monago, J. A. de la Torre, Pep Espanol ยท 2026

We introduce a parameter estimation method that utilizes microscopic data, specifically averages and correlations of selected microscopic observables, to determine the parameters of a stochastic diffeโ€ฆ

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Physics Preprint PDF DOI

The Recurrent Nova Population in M31

Allen W. Shafter, Kamil Hornoch ยท 2026

The positions of more than 1300 nova eruptions in M31 catalogued through the end of calendar year 2025 have been compared in order to identify recurrent nova candidates. The work extends the study of โ€ฆ

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Physics Preprint PDF DOI

Coarse-Grained Dynamics with Spatial Disorder and Non-Markovian Memory

Chuyi Liu, Yifeng Guan, Jingyuan Li, Mao Su ยท 2026

We introduce the spatial disorder-generalized Langevin equation (SD-GLE), a data-driven method for constructing coarse-grained (CG) dynamics in heterogeneous systems. Unlike conventional CG approachesโ€ฆ

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Physics Preprint PDF DOI

Photometric Metallicities for 367,324 stars of Omega Centauri

Xue Lu, Haibo Yuan, Bowen Huang, Tao Wang, Timothy C. Beers ยท 2026

Omega Centauri is the most massive and chemically complex multi-population globular cluster with a wide metallicity range that has been extensively studied photometrically and spectroscopically. Usingโ€ฆ

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Physics Preprint PDF DOI

Highly coarse-grained polarisable water models for mesoscopic simulations

Michael A. Seaton, Benjamin T. Speake, Ilian T. Todorov ยท 2026

Modelling micro- and meso-scopic scale thermodynamic and transport properties of soft condensed matter hinges upon its representation. This is especially relevant for polar solvents such as water, sinโ€ฆ

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Physics Preprint PDF DOI

Coarse-Grained Model of the Sodium Dodecyl Sulfate Anionic Surfactant Based on the MDPD--Martini Force Field

Luis H. Carnevale, Gabriela Niechwiadowicz, Panagiotis E. Theodorakis ยท 2026

The sodium dodecyl sulfate (SDS) surfactant is widely used in various applications, such as household products (e.g., shampoos, toothpaste, detergents, and cleaning products) and food manufacturing (eโ€ฆ

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Physics Preprint PDF DOI

Observations of highly inclined disks with ALMA. Results from 12CO gas and continuum observations

Laurine Martinien, Gaspard Duchene, Alvaro Ribas, Marion Villenave, Francois Menard, Karl R. Stapelfeldt, Christophe Pinte ยท 2026

[Abridged] We aim to study the radial and vertical extents of 12CO gas, millimeter dust thermal emission and optical/NIR scattered light by dust in disks. We analyze a sample of 14 highly inclined proโ€ฆ

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Physics Preprint PDF DOI

A Natural $\gtrsim 100\times$ Telescope: Discovery of the Strongly Lensed Type II SN 2025mkn at $z=1.37$

Cameron Lemon, Ariel Goobar, Joel Johansson, Edvard Mortsell, Steve Schulze, Igor Andreoni, Aleksandra Bochenek, Sean J. Brennan, Malte Busmann, Michael Coughlin, Kaustav K. Das, Suhail Dhawan, Christoffer Fremling, Anjasha Gangopadhyay, Daniel Gruen, Xander J. Hall, Anna Y. Q. Ho, Mansi M. Kasliwal, Daniel A. Perley, Mickael Rigault, Genevieve Schroeder, Mathew Smith, Jesper Sollerman, Jean J. Somalwar, Robert Stein, Stephen Thorp, Alice Townsend, Jacob L. Wise, Lin Yan, Nikki Arendse, Eric C. Bellm, Tracy X. Chen, Andrew Drake, Frank J. Masci, Josiah Purdum, Roger Smith, Jason T. Hinkle, T. Emil Rivera-Thorsen, Benjamin J. Shappee, Michael A. Tucker, Jessica Aguilar, Steven Ahlen, Greg Aldering, Segev Benzvi, Davide Bianchi, David Brooks, Todd Claybaugh, Axel de la Macorra, John Della Costa, Arjun Dey, Peter Doel, Brenna Flaugher, Andreu Font-Ribera, Jaime E. Forero-Romero, Enrique Gaztanaga, Satya Gontcho A. Gontcho, Gaston Gutierrez, Dragan Huterer, Mustapha Ishak, Jorge Jimenez, Dick Joyce, Stephanie Juneau, Robert Kehoe, Alex G. Kim, David Kirkby, Theodore Kisner, Anthony Kremin, Ofer Lahav, Martin Landriau, Laurent Le Guillou, Michael E. Levi, Marc Manera, Aaron Meisner, Ramon Miquel, John Moustakas, Seshadri Nadathur, Brendan O'Connor, Nathalie Palanque-Delabrouille, Antonella Palmese, Will J. Percival, Ignasi Perez-Rafols, Claire Poppett, Francisco Prada, Graziano Rossi, Eusebio Sanchez, David Schlegel, Michael Schubnell, Arman Shafieloo, Joseph Silber, David Sprayberry, Gregory Tarle, Benjamin A. Weaver, Hu Zou ยท 2026

We present the discovery of SN 2025mkn, a gravitationally lensed Type II supernova. First detected as a blue transient in ZTF, 0.83$^{\prime\prime}$ from a $z=0.42$ elliptical galaxy, follow-up SNIFS/โ€ฆ

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Physics Preprint PDF DOI

Finite Volume Effects on Transverse Momentum Spectra at LHC and RHIC Using a Blast-Wave Model with Planck Transformed Temperatures

A.S. Parvan, A.A. Aparin, E.V. Nedorezov ยท 2026

We investigate finite volume effects on the transverse momentum spectra of charged pions produced in the most central heavy-ion collisions at RHIC and LHC energies. A cylindrically symmetric finite voโ€ฆ

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High-contrast imaging of Galactic Cepheids with VLT/SPHERE

A. Gallenne, P. Kervella, N. R. Evans, J. Milli, E. Sivkova, W. Gieren, G. Pietrzynski, G. Bras, V. Hocde, W. Kiviaho, N. Nardetto, B. Pilecki, B. Zgirski ยท 2026

Cepheids are key distance indicators and benchmarks for stellar evolution, yet most of them are members of binary or multiple systems. While spectroscopic surveys and Gaia proper-motion anomalies reveโ€ฆ

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Physics Preprint PDF DOI

Quantitative spectroscopy of single and multiple OB-type stars. Non-LTE spectrum analysis with machine learning

P. Aschenbrenner, N. Przybilla ยท 2026

The plethora of spectra of OB-type stars in observatory archives and the much larger numbers to come from the WEAVE and 4MOST spectroscopic facilities require efficient, but also accurate and precise โ€ฆ

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Physics Preprint PDF DOI

The Stellar "Snake"-III: Co-evolution of Stars and Molecular Clouds Unveiled by Gaia, MWISP, and LAMOST

Jia-Peng Li, Hai-Jun Tian, Chen Wang, Xiang-Ming Yang, Fan Wang ยท 2026

By combining multi-band data from Gaia DR3, MWISP CO, and LAMOST DR11 LSR/MSR, we investigate the co-evolution of stars and their parent molecular cloud in a snake-like stellar structure, named Snake โ€ฆ

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Physics Preprint PDF DOI

Holographic Banners

Matthew J. Blacker, Sean A. Hartnoll ยท 2026

This paper is concerned with eternal AdS black holes. The quantum cosmological future and past interior states of the black hole may be placed on an equal footing to the left and right AdS boundary daโ€ฆ

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Physics Preprint PDF DOI

KMTNet Synoptic Survey of Southern Sky III: The First Data Release

Seo-Won Chang, Myungshin Im, Mankeun Jeong, Joonho Kim, Bomi Park, Jaewon Lee, David A. H. Buckley, Jeff Cooke, Sungho Jung, Dong-Jin Kim, Ji Hoon Kim, Yongjung Kim, Chung-Uk Lee, Seong-Kook Lee, Gregory S. H. Paek, Jiseop Shin ยท 2026

We present the first public data release (DR1) of the KMTNet Synoptic Survey of Southern Sky (KS4). This deep, wide-field imaging survey covers a southern footprint of -85$^{\circ}$ < Decl. < -28.8$^{โ€ฆ

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Physics Preprint PDF DOI

Developments in Multi-Chain Coarse-Grained Models for Entangled Polymer Dynamics

Yuichi Masubuchi ยท 2026

This review describes the development and applications of multi-chain coarse-grained simulations for entangled polymer dynamics. The mean-field tube model has long served as the standard paradigm for โ€ฆ

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Physics Preprint PDF DOI

X-Ray Polarization Study of Pulsar Wind Nebulae with eXTP: Simulation Results and Scientific Prospects

Kuan Liu, Fei Xie, Ming-Yu Ge, Wei Deng, En-Wei Liang ยท 2026

X-ray polarization observations of pulsar wind nebulae (PWNe) provide crucial insights into magnetic field structures and particle acceleration mechanisms. While the Imaging X-ray Polarimetry Explorerโ€ฆ

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