Tootfinder

Meint ihr Union, FDP, SPD, … haben die Texte für „wir waren ja ganz früh dran, die Klimakatastrophe zu bekämpfen, die anderen™ waren schuld!“ schon in der Schublade, oder machen die das dann in ein paar Jahren spontan?

A structure-preserving semi-implicit IMEX finite volume scheme for ideal magnetohydrodynamics at all Mach and Alfv\'en numbers
Walter Boscheri, Andrea Thomann
https://arxiv.org/abs/2403.04517

A structure-preserving semi-implicit IMEX finite volume scheme for ideal magnetohydrodynamics at all Mach and Alfvén numbers
We present a divergence-free semi-implicit finite volume scheme for the simulation of the ideal magnetohydrodynamics (MHD) equations which is stable for large time steps controlled by the local transport speed at all Mach and Alfvén numbers. An operator splitting technique allows to treat the convective terms explicitly while the hydrodynamic pressure and the magnetic field contributions are integrated implicitly, yielding two decoupled linear implicit systems. The linearity of the implicit pa…

Radiative Gaussian Splatting for Efficient X-ray Novel View Synthesis
Yuanhao Cai, Yixun Liang, Jiahao Wang, Angtian Wang, Yulun Zhang, Xiaokang Yang, Zongwei Zhou, Alan Yuille
https://arxiv.org/abs/2403.04116

Radiative Gaussian Splatting for Efficient X-ray Novel View Synthesis
X-ray is widely applied for transmission imaging due to its stronger penetration than natural light. When rendering novel view X-ray projections, existing methods mainly based on NeRF suffer from long training time and slow inference speed. In this paper, we propose a 3D Gaussian splatting-based framework, namely X-Gaussian, for X-ray novel view synthesis. Firstly, we redesign a radiative Gaussian point cloud model inspired by the isotropic nature of X-ray imaging. Our model excludes the influe…

This https://arxiv.org/abs/2401.07644 has been replaced.
link: https://scholar.google.com/scholar?q=a

Resource Allocation in STAR-RIS-Aided SWIPT with RSMA via Meta-Learning
Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a cutting-edge concept for the sixth-generation (6G) wireless networks. In this paper, we propose a novel system that incorporates STAR-RIS with simultaneous wireless information and power transfer (SWIPT) using rate splitting multiple access (RSMA). The proposed system facilitates communication from a multi-antenna base station (BS) to single-antenna users in a downlink transmission. The BS concurrently…

High Voltage Determination and Stabilization for Collinear Laser Spectroscopy Applications
Kristian K\"onig, Finn K\"ohler, Julian Palmes, Henrik Badura, Adam Dockery, Kei Minamisono, Johann Meisner, Patrick M\"uller, Wilfried N\"ortersh\"auser, Stephan Passon
https://arxiv.org/abs/2405.05112

High Voltage Determination and Stabilization for Collinear Laser Spectroscopy Applications
Fast beam collinear laser spectroscopy is the established method to investigate nuclear ground state properties such as the spin, the electromagnetic moments, and the charge radius of exotic nuclei. These are extracted with high precision from atomic observables, i.e., the hyperfine splitting and its the isotope shift, which becomes possible due to a large reduction of the Doppler broadening by compressing the velocity width of the ion beam through electrostatic acceleration. With the advanceme…

This https://arxiv.org/abs/2402.06533 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hept…

2PM waveform from loop corrected soft theorems
We introduce a classical version of the loop corrected soft graviton theorem and we use it to compute the universal part of the one-loop (2PM) waveform up to sub-subleading order in the energy $ω$ of the emitted graviton for spinless black-hole scattering. In particular, we compute the action of the soft operators on the classically resummed four-point amplitude, that can be written in terms of the exponential of the eikonal phase (and is therefore non-perturbative in the Newton's constant $G_…

#MapleSunday run through Franklinville (Wright Farms, the snow suckers), Freedom (Moore’s Maple Shack and Pancake House, the meal), and Attica (Merle Maple, no pics of the maple soft-serve nor the maple pulled pork).
Non-GF bottomless pancakes and if three was a bad idea then nine was just being mean to myself. Stomach unhappy right now.

This https://arxiv.org/abs/2404.10402 has been replaced.
initial toot: https://mastoxiv.page/@a…

Spontaneous splitting of d-wave surface states: Circulating currents or edge magnetization?
Pair-breaking edges of $d$-wave superconductors feature Andreev bound states at the Fermi energy. Since these states are energetically highly unfavorable they are susceptible to effects that shift them to finite energy. We investigate the free energy of two different mechanisms: spontaneous phase gradients in the superconducting order parameter and surface ferromagnetism caused by Fermi liquid interaction effects. We find that the surface magnetization appears at lower temperatures than the spo…

This https://arxiv.org/abs/2312.11623 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepp…

On heavy-flavour jets with Soft Drop
We study hadronic jets that are tagged as heavy-flavoured, i.e. they contain either beauty or charm. In particular, we consider heavy-flavour jets that have been groomed with the Soft Drop algorithm. In order to achieve a deeper understanding of these objects, we apply resummed perturbation theory to jets initiated by a massive quark and we perform analytic calculations for two variables that characterise Soft Drop jets, namely the opening angle and the momentum fraction of the splitting that p…

This https://arxiv.org/abs/2211.09081 has been replaced.
link: https://scholar.google.com/scholar?q=a

Secure SWIPT in the Multiuser STAR-RIS Aided MISO Rate Splitting Downlink
Recently, simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have emerged as a novel technology that provides 360 coverage and new degrees-of-freedom (DoFs). They are also capable of manipulating signal propagation and simultaneous wireless information and power transfer (SWIPT). This paper introduces a novel STAR-RIS-aided secure SWIPT system for downlink multiple input single output rate-splitting multiple access (RSMA) networks. The transmitter concurr…