Tootfinder

Dwarf diversity in $\Lambda$CDM with baryons
Akaxia Cruz, Alyson Brooks, Mariangela Lisanti, Annika H. G. Peter, Robel Geda, Thomas Quinn, Michael Tremmel, Ferah Munshi, Ben Keller, James Wadsley
https://arxiv.org/abs/2510.11800

Dwarf diversity in $Λ$CDM with baryons
Observed rotation curves of dwarf galaxies exhibit significant diversity at fixed halo mass, challenging galaxy formation within the Cold Dark Matter (CDM) model. Previous cosmological galaxy formation simulations with baryonic physics fail to reproduce the full diversity of rotation curves, suggesting either that there is a flaw in baryonic feedback models, or that an alternative to CDM must be invoked. In this work, we use the Marvelous Massive Dwarf zoom-in simulations, a suite of high-resol…

Cryogenic growth of aluminum: structural morphology, optical properties, superconductivity and microwave dielectric loss
Wilson J. Y\'anez-Parre\~no, Teun A. J. van Schijndel, Anthony P. McFadden, Kaixuan Ji, Susheng Tan, Yu Wu, Sergey Frolov, Stefan Zollner, Raymond W. Simmonds, Christopher J. Palmstr{\o}m
https://arxiv.org/abs/2510.0…

Cryogenic growth of aluminum: structural morphology, optical properties, superconductivity and microwave dielectric loss
We explore the molecular beam epitaxy synthesis of superconducting aluminum thin films grown on c-plane sapphire substrates at cryogenic temperatures of 6 K and compare their behavior with films synthesized at room temperature. We demonstrate that cryogenic growth increases structural disorder, producing crystalline grains that modify the optical, electrical, and superconducting properties of aluminum. We observe that cryogenic deposition changes the color of aluminum from fully reflective to y…

Far beyond the Sun: III. The magnetic cycle of $\boldsymbol\iota$ Horologii
Juli\'an D. Alvarado-G\'omez (Leibniz Institute for Astrophysics Potsdam, Germany), Gaitee A. J. Hussain (European Space Agency, The Netherlands), Eliana M. Amazo-G\'omez (Leibniz Institute for Astrophysics Potsdam, Germany), Yu Xu (Leibniz Institute for Astrophysics Potsdam, Germany, Peking University, China), Katja Poppenh\"ager (Leibniz Institute for Astrophysics Potsdam, Germany, Potsdam Un…

Far beyond the Sun: III. The magnetic cycle of $\boldsymbolι$ Horologii
We present a comprehensive investigation of the magnetic cycle of the young, active solar analogue $ι$ Horologii ($ι$ Hor) based on intensive spectropolarimetric monitoring using HARPSpol. Over a nearly three-year campaign, the technique of Zeeman-Doppler Imaging (ZDI) was used to reconstruct 18 maps of the large-scale surface magnetic field of the star. These maps trace the evolution of the magnetic field morphology over approximately 139 stellar rotations. Our analysis uncovers pronounced t…

A planetary system with a sub-Neptune planet in the habitable zone of TOI-2093
J. Sanz-Forcada, E. Gonz\'alez-\'Alvarez, M. R. Zapatero Osorio, J. A. Caballero, V. J. S. B\'ejar, E. Herrero, C. Rodr\'iguez-L\'opez, K. R. Sreenivas, L. Tal-Or, S. Vanaverbeke, A. P. Hatzes, R. Luque, E. Nagel, F. J. Pozuelos, D. Rapetti, A. Quirrenbach, P. J. Amado, M. Blazek, I. Carleo, D. Ciardi, C. Cifuentes, K. Collins, Th. Henning, D. W. Latham, J. Lillo-Box, E. Marfil, D. Montes…

A planetary system with a sub-Neptune planet in the habitable zone of TOI-2093
Aims. We aim to confirm and measure the mass of the transiting planet candidate around the K5V star TOI-2093, previously announced by the Transiting Exoplanet Survey Satellite (TESS) project. Methods. We combined photometric data from 32 sectors between 2019 and 2024 with 86 radial velocity measurements obtained with the CARMENES spectrograph over a period of 2.4 years, along with a series of ground-based, broadband photometric monitoring campaigns to characterize the host star and the transiti…

Digital Low-Level RF system for the Linac Electronics Modernization Plan at LCLS
Nashat Sawai, Jorge Diaz Cruz, Andy Benwell, Sonya Hoobler, Qiang Du, Shreeharshini Murthy, Larry Doolittle
https://arxiv.org/abs/2510.11950

Digital Low-Level RF system for the Linac Electronics Modernization Plan at LCLS
The LCLS began operations in 2009, utilizing SLAC's normal-conducting (NC) LINAC, which features control equipment dating back to the 1960s and 1980s. The Linac Electronics Modernization Plan (LEMP) aims to replace the legacy control equipment with a system based on the open-source Marble carrier board and Zest+ digitizer board, both of which are used in the LCLS-II HE LLRF system. Adaptation of the LLRF system developed for the continuous-wave (CW) superconducting RF (SRF) LCLS-II to the short…