cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Virtual reality as a learning tool to improve nosocomial infection prevention control procedures
Creators: name: Manthou, Panagiota
name: Lioliousis, Georgios
Publisher: name: Zenodo
Year: 2025
Subjects: Virtual reality
training
nosocomial infection

description: ABSTRACT

Nowadays there is an increase in the number of nosocomial infections. This situation requires the development of new perceptions, a change in behavior and a different approach to daily hospital practice. Education must be multifaceted, both theoretical and practical. Formal training in infection control is generally limited and many healthcare workers learn on the job. However, current training conditions are considered inadequate, given the low level of compliance. In addition, due to the global health crisis caused by the disease COVID-19, more and more health personnel were required to be trained in the use of PPE and techniques to control nosocomial infections that caused an increase in mortality in patients with COVID-19. Therefore, virtual training programs of various personnel were developed and now virtual reality tends to be established as an important tool in improving infection control processes. The use of virtual reality (virtual reality) in education can be considered as one of the naturals of computer-aided teaching. Simulation offers the advantage of learning in a safe environment with a sense of realism similar to that of a real clinical setting that is reported to enhance self-efficacy in nosocomial infections, safety and learning ability.
Instantons: thick-wall approximation
Creators: name: Mukhanov, V. F.
name: Sorin, A. S.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Mathematical Physics (math-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We develop a new method for estimating the decay probability of the false vacuum via regularized instantons. Namely, we consider the case where the potential is either unbounded from below or the second minimum corresponding to the true vacuum has a depth exceeding the height of the potential barrier. In this case, the materialized bubbles dominating the vacuum decay naturally have a thick wall and the thin-wall approximation is not applicable. We prove that in such a case the main contribution to the action determining the decay probability comes from the part of the solution for which the potential term in the equation for instantons can be neglected compared to the friction term. We show that the developed approximation exactly reproduces the leading order results for the few known exactly solvable potentials. The proposed method is applied to generic scalar field potentials in an arbitrary number of dimensions.
description: 12 pages, LaTeX, 1 figure
Stochastic Bohmian and Scaled Trajectories
Creators: name: Mousavi, S. V.
name: Miret-Artes, S.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: In this review we deal with open (dissipative and stochastic) quantum systems within the Bohmian mechanics framework which has the advantage to provide a clear picture of quantum phenomena in terms of trajectories, originally in configuration space. The gradual decoherence process is studied from linear and nonlinear Schrödinger equations through Bohmian trajectories as well as by using the so-called quantum-classical transition differential equation through scaled trajectories. This transition is governed by a continuous parameter, the transition parameter, covering these two extreme open dynamical regimes. Thus, two sources of decoherence of different nature are going to be considered. Several examples will be presented and discussed in order to illustrate the corresponding theory behind each case, namely: the so-called Brownian-Bohmian motion leading to quantum diffusion coefficients, dissipative diffraction in time, dissipative tunnelling for a parabolic barrier under the presence of an electric field and stochastic early arrivals for the same type of barrier. In order to simplify the notations and physical discussion, the theoretical developments will be carried out in one dimension throughout all this wok. One of the main goals is to analyze the gradual decoherence process existing in these open dynamical regimes in terms of trajectories, leading to a more intuitive way of understanding the underlying physics in order to gain new insights.
description: Review Article; accepted for publication in Found. Phys
Jujubinus ajachaensis Martin-Gonzalez & Vera-Pelaez in Martin-Gonzalez, Vera-Pelaez, Castillo
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus
Jujubinus ajachaensis

description: Jujubinus ajachaensis Martín-González & Vera-Peláez in Martín-González, Vera-Peláez, Castillo & Lozano-Francisco, 2018) †
Late Miocene (Tortonian): NE Atlantic (Canary Islands).
(Martín-González et al. 2018)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 39, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Gravitational Particle Production and the Validity of Effective Descriptions in Loop Quantum Cosmology
Creators: name: Vicente, Gustavo S.
name: Ramos, Rudnei O.
name: Graef, Leila L.
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The effective approach in Loop Quantum Cosmology (LQC) has provided means to obtain predictions for observable quantities in LQC models. While an effective dynamics in LQC has been extensively considered in different scenarios, a robust demonstration of the validity of effective descriptions for the perturbative level still requires further attention. The consistency of the description adopted in most approaches requires the assumption of a test field approximation, which is limited to the cases in which the backreaction of the particles gravitationally produced can be safely neglected. Within the framework of LQC, some of the main approaches to quantize the linear perturbations are the dressed metric, the hybrid approaches and the closed/deformed algebra approach. Here, we analyze the consistency of the test field assumption in these frameworks by computing the energy density stored in the particles gravitationally produced compared to the background energy density. This analysis ultimately provides us with a consistency test of the effective descriptions of LQC.
description: Replaced with version matching the one published in the Physical Review D
A Block-based Adaptive Particle Refinement SPH Method for Fluid-Structure Interaction Problems
Creators: name: Gao, Tianrun
name: Qiu, Huihe
name: Fu, Lin
Publisher: name: arXiv
Year: 2022
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences
subject: 76M28, 76B15, 76B55, 70E55, 70E15

description: The multi-resolution method, e.g., the Adaptive Particle Refinement (APR) method, has been developed to increase the local particle resolution and therefore the solution quality within a pre-defined refinement zone instead of using a globally uniform resolution for Smoothed Particle Hydrodynamics (SPH). However, sometimes, the targeted zone of interest can be varying, and the corresponding topology is very complex, thus the conventional APR method is not able to track these characteristics adaptively. In this study, a novel Block-based Adaptive Particle Refinement (BAPR) method is developed, which is able to provide the necessary local refinement flexibly for any targeted characteristic, and track it adaptively. In BAPR, the so-called activation status of the block array defines the refinement regions, where the transition and activated zones are determined accordingly. A regularization method for the generated particles in the newly activated blocks is developed to render an isotropic distribution of these new particles. The proposed method has been deployed for simulating Fluid-Structure Interaction (FSI) problems. A set of 2D FSI cases have been simulated with the proposed BAPR method, and the performance of the BAPR method is quantified and validated comprehensively. In a word, the BAPR method is viable and potential for complex multi-resolution FSI simulations by tracking any targeted characteristic of interest.
description: 41 pages, 26 figures, Accepted by Computer Methods in Applied Mechanics and Engineering
Jujubinus alboranensis Smriglio, Mariottini & Oliverio 2015
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus
Jujubinus alboranensis

description: Jujubinus alboranensis Smriglio, Mariottini & Oliverio, 2015
Present-day: western Mediterranean Sea.
(Smriglio et al. 2015)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 39, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Jipai Colmenares, Moreno-González, Villarreal & Prendini, 2025, gen. nov.
Creators: name: Colmenares, Pío A.
name: Moreno-González, Jairo A.
name: Villarreal, Osvaldo
name: Prendini, Lorenzo
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Schizomida
Hubbardiidae
Jipai

description: Jipai gen. nov.
urn:lsid:zoobank.org:act: A1E64DE6-BB52-43E6-A8F8-41C88952D9EF
Type species. Jipai longevus sp. nov., by monotypy.
Diagnosis. In common with the following eleven Neotropical hubbardiid genera, Jipai gen. nov. possesses a female flagellum comprising four flagellomeres and three annuli (Figs. 5D–F, 6D–F): Adisomus Cokendolpher & Reddell, 2000; Calima Moreno-González & Villarreal, 2012; Cangazomus Pinto-da-Rocha et al. 2016; Colombiazomus Armas & Delgado-Santa, 2012; Hansenochrus Reddell & Cokendolpher, 1995; Mayazomus Reddell & Cokendolpher, 1995; Naderiore Pinto-da-Rocha et al. 2016; Piaroa Villarreal et al. 2008; Rowlandius Reddell & Cokendolpher, 1995; Tayos Reddell & Cokendolpher, 1995; Wayuuzomus Armas & Colmenares, 2006. However, these genera may be separated as follows. The presence of two pairs of lobes, median lobes (ML) and lateral lobes (LL), in the spermatheca (Fig. 4E) separates Jipai gen. nov. from Adisomus, Calima, Piaroa, and Tayos, each of which possess a single pair (LL), whereas the ML being significantly longer than the LL separates Jipai gen. nov. (Fig. 4E) from some species of Hansenochrus, Rowlandius, and Wayuuzomus, in which the ML are similar in length to the LL, and from Cangazomus, Colombiazomus, Naderiore and some species of Hansenochrus and Rowlandius, in which the ML are shorter than the LL. Additionally, the presence of more than one pair of setae on opisthosomal tergite II separates Jipai gen. nov. (Fig. 4A) from all the abovementioned genera, except some species of Mayazomus, which only possess a single pair.
Jipai gen. nov. most closely resembles Mayazomus, from which it can be distinguished by the linear ML of the spermatheca (Fig. 4E), six setae (Dm, Dl 1, and Dl 2) on opisthosomal tergite II (Fig. 4A), and the male pedipalp with a slender femur lacking setiferous tubercles distally, the patella not curved ventrally, and a ventral apophysis absent on the tibia (Fig. 3A). In Mayazomus, the ML of the spermatheca are curved, four (rarely five) setae (Dm and Dl 1) are present on tergite II, and the male pedipalp exhibits a robust femur with setiferous tubercles distally, the patella markedly curved ventrally, and a ventral apophysis present on the tibia.
Etymology. The generic name, masculine in gender, is a noun for soil or ground in Kurripako, a language of the Arawak linguistic family, spoken in parts of the Amazon in Brazil, Colombia and Venezuela. It refers to the substrate in which schizomids are commonly found.
description: Published as part of Colmenares, Pío A., Moreno-González, Jairo A., Villarreal, Osvaldo & Prendini, Lorenzo, 2025, New genus and species of short-tailed whipscorpion (Schizomida: Hubbardiidae) from the Venezuelan Amazon, pp. 84-95 in Zootaxa 5563 (1) on page 86, DOI: 10.11646/zootaxa.5563.1.9, http://zenodo.org/record/14596600
Method to observe the $J^{P}=2^{+}$ partner of the $X_{0}(2866)$ in the $B^+ \to D^{+} D^{-} K^{+} $ reaction
Creators: name: Bayar, M.
name: Oset, E.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We propose a method based on the moments of the $D^{-} K^{+}$ mass distribution in the $B^+ \to D^{+} D^{-} K^{+} $ decay to disentangle the contribution of the $ 2^{+} $ state, partner of $X_{0}(2900)$ in the $ \bar D^{*} K^{*}$ picture for this resonance. Some of these moments show the interference patterns of the $X_{1}(2900)$ and $X_{0}(2900)$ with the $ 2^{+} $ state, which provide a clearer signal of the $ 2^{+} $ resonance than the $ 2^{+} $ signal alone. The construction of these magnitudes from present data is easy to implement, and based on these data we show that clear signals for that resonance should be seen even with the present statistics.
description: 16 pages, 5 figures
Electrically-driven Photonic Crystal Lasers with Ultra-low Threshold
Creators: name: Dimopoulos, Evangelos
name: Sakanas, Aurimas
name: Marchevsky, Andrey
name: Xiong, Meng
name: Yu, Yi
name: Semenova, Elizaveta
name: Mørk, Jesper
name: Yvind, Kresten
Publisher: name: arXiv
Year: 2022
Subjects: subject: Optics (physics.optics)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: Light sources with ultra-low energy consumption and high performance are required to realize optical interconnects for on-chip communication. Photonic crystal (PhC) nanocavity lasers are one of the most promising candidates to fill this role. In this work, we demonstrate an electrically-driven PhC nanolaser with an ultra-low threshold current of 10.2 μA emitting at 1540 nm and operated at room temperature. The lasers are InP-based bonded on Si and comprise a buried heterostructure active region and lateral p-i-n junction. The static characteristics and the thermal properties of the lasers have been characterized. The effect of disorder and p-doping absorption on the Q-factor of passive cavities was studied. We also investigate the leakage current due to the lateral p-i-n geometry by comparing the optical and electrical pumping schemes.
Lax-Wendroff flux reconstruction method for hyperbolic conservation laws
Creators: name: Babbar, Arpit
name: Kenettinkara, Sudarshan Kumar
name: Chandrashekar, Praveen
Publisher: name: arXiv
Year: 2022
Subjects: subject: Numerical Analysis (math.NA)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: The Lax-Wendroff method is a single step method for evolving time dependent solutions governed by partial differential equations, in contrast to Runge- Kutta methods that need multiple stages per time step. We develop a flux reconstruction version of the method in combination with a Jacobian-free Lax- Wendroff procedure that is applicable to general hyperbolic conservation laws. The method is of collocation type, is quadrature free and can be cast in terms of matrix and vector operations. Special attention is paid to the construction of numerical flux, including for non-linear problems, resulting in higher CFL numbers than existing methods, which is shown through Fourier analysis and yielding uniform performance at all orders. Numerical results up to fifth order of accuracy for linear and non-linear problems are given to demonstrate the performance and accuracy of the method.
A Mask Attention Interaction and Scale Enhancement Network for SAR Ship Instance Segmentation
Creators: name: Zhang, Tianwen
name: Zhang, Xiaoling
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Most of existing synthetic aperture radar (SAR) ship in-stance segmentation models do not achieve mask interac-tion or offer limited interaction performance. Besides, their multi-scale ship instance segmentation performance is moderate especially for small ships. To solve these problems, we propose a mask attention interaction and scale enhancement network (MAI-SE-Net) for SAR ship instance segmentation. MAI uses an atrous spatial pyra-mid pooling (ASPP) to gain multi-resolution feature re-sponses, a non-local block (NLB) to model long-range spa-tial dependencies, and a concatenation shuffle attention block (CSAB) to improve interaction benefits. SE uses a content-aware reassembly of features block (CARAFEB) to generate an extra pyramid bottom-level to boost small ship performance, a feature balance operation (FBO) to improve scale feature description, and a global context block (GCB) to refine features. Experimental results on two public SSDD and HRSID datasets reveal that MAI-SE-Net outperforms the other nine competitive models, better than the suboptimal model by 4.7% detec-tion AP and 3.4% segmentation AP on SSDD and by 3.0% detection AP and 2.4% segmentation AP on HRSID.
Jujubinus altavillae Giannuzzi-Savelli & Reina 1987
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus
Jujubinus altavillae

description: Jujubinus altavillae Giannuzzi-Savelli & Reina, 1987 †
Pliocene (Zanclean to Piacenzian): Mediterranean Sea (Spain, Italy).
(Giannuzzi-Savelli & Reina 1987)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 39, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Documenting Data Production Processes: A Participatory Approach for Data Work
Creators: name: Miceli, Milagros
name: Yang, Tianling
name: Garcia, Adriana Alvarado
name: Posada, Julian
name: Wang, Sonja Mei
name: Pohl, Marc
name: Hanna, Alex
Publisher: name: arXiv
Year: 2022
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: The opacity of machine learning data is a significant threat to ethical data work and intelligible systems. Previous research has addressed this issue by proposing standardized checklists to document datasets. This paper expands that field of inquiry by proposing a shift of perspective: from documenting datasets toward documenting data production. We draw on participatory design and collaborate with data workers at two companies located in Bulgaria and Argentina, where the collection and annotation of data for machine learning are outsourced. Our investigation comprises 2.5 years of research, including 33 semi-structured interviews, five co-design workshops, the development of prototypes, and several feedback instances with participants. We identify key challenges and requirements related to the integration of documentation practices in real-world data production scenarios. Our findings comprise important design considerations and highlight the value of designing data documentation based on the needs of data workers. We argue that a view of documentation as a boundary object, i.e., an object that can be used differently across organizations and teams but holds enough immutable content to maintain integrity, can be useful when designing documentation to retrieve heterogeneous, often distributed, contexts of data production.
The Structure of Fluctuating Thin Sheets Under Random Forcing
Creators: name: Steinbock, Chanania
name: Katzav, Eytan
name: Boudaoud, Arezki
Publisher: name: arXiv
Year: 2022
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We propose a mathematical model to describe the athermal fluctuations of thin sheets driven by the type of random driving that might be experienced prior to weak crumpling. The model is obtained by merging the Föppl-von Kármán equations from elasticity theory with techniques from out-of-equilibrium statistical physics to obtain a nonlinear strongly coupled $ϕ^{4}$-Langevin field equation with spatially varying kernel. With the aid of the self-consistent expansion (SCE), this equation is analytically solved for the structure factor of a fluctuating sheet. In contrast to previous research which has suggested that the structure factor follows an anomalous power-law, we find that the structure factor in fact obeys a logarithmically corrected rational function. Numerical simulations of our model confirm the accuracy of our analytical solution.
description: 13 pages, 5 figures; published version with corrected typos
Jujubinus armatus Ceulemans, Van Dingenen & Landau 2016
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus
Jujubinus armatus

description: Jujubinus armatus Ceulemans, Van Dingenen & Landau, 2016 †
Pliocene (Zanclean): NE Atlantic (France: Loire Basin).
(Ceulemans et al. 2016)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 39, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Jujubinus Monterosato 1884
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus

description: “ Jujubinus ” angustus (Deshayes, 1832) †
Eocene (Lutetian): NE Atlantic (France: Paris Basin).
(Pacaud 2007)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 39, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Nitrogen fractionation towards a pre-stellar core traces isotope-selective photodissociation
Creators: name: Spezzano, Silvia
name: Caselli, Paola
name: Sipilä, Olli
name: Bizzocchi, Luca
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Isotopologue abundance ratios are important to understand the evolution of astrophysical objects and ultimately the origins of a planetary system like our own. Being nitrogen a fundamental ingredient of pre-biotic material, understanding its chemistry and inheritance is of fundamental importance to understand the formation of the building blocks of life. We present here single-dish observations of the ground state rotational transitions of the $^{13}$C and $^{15}$N isotopologues of HCN, HNC and CN with the IRAM 30m telescope. We analyse their column densities and compute the $^{14}$N/$^{15}$N ratio map for HCN. The $^{15}$N-fractionation of CN and HNC is computed towards different offsets across L1544. The $^{15}$N-fractionation map of HCN shows a clear decrease of the $^{14}$N/$^{15}$N ratio towards the southern edge of L1544, where carbon chain molecules present a peak, strongly suggesting that isotope-selective photodissociation has a strong effect on the fractionation of nitrogen across pre-stellar cores. The $^{14}$N/$^{15}$N ratio in CN measured towards four positions across the core also shows a decrease towards the South-East of the core, while HNC shows opposite behaviour. The uneven illumination of the pre-stellar core L1544 provides clear evidence that $^{15}$N-fractionation of HCN and CN is enhanced toward the region more exposed to the interstellar radiation field. Isotope-selective photodissociation of N$_2$ is then a crucial process to understand $^{15}$N fractionation, as already found in protoplanetary disks. Therefore, the $^{15}$N-fractionation in pre-stellar material is expected to change depending on the environment within which pre-stellar cores are embedded. The $^{12}$CN/$^{13}$CN ratio also varies across the core, but its variation does not affect our conclusions on the effect of the environment on the fractionation of nitrogen.
description: Accepted for publication in A&A Letters
High Efficiency Echelle Gratings for the Far Ultraviolet
Creators: name: Kruczek, Nicholas
name: Miles, Drew M.
name: Fleming, Brian
name: McEntaffer, Randall
name: France, Kevin
name: Grisé, Fabien
name: McCandliss, Stephan
Publisher: name: arXiv
Year: 2022
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Modern grating manufacturing techniques suffer from inherent issues that limit their peak efficiencies. The anisotropic etching of silicon facilitates the creation of custom gratings that have sharp and atomically smooth facets, directly addressing these issues. We describe work to fabricate and characterize etched silicon echelles optimized for the far ultraviolet (FUV; 90 - 180 nm) bandpass. We fabricate two echelles that have similar parameters to the mechanically ruled grating flown on the CHESS sounding rocket. We demonstrate a 42% increase in peak order efficiency and an 83% decrease in interorder scatter using these gratings. We also present analysis on where the remaining efficiency resides. These demonstrated FUV echelle improvements benefit the faint source sensitivity and high-resolution performance of future UV observatories.
description: 21 pages, 13 figures, Accepted into Applied Optics
Jujubinus annamarieae Landau, Marquet & Grigis 2003
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus
Jujubinus annamarieae

description: Jujubinus annamarieae Landau, Marquet & Grigis, 2003 †
Pliocene (Zanclean): Mediterranean Sea (Spain: Estepona Basin).
(Landau et al. 2003)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 39, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
The intervelocity of galaxy pairs in $Λ$CDM -- The observed velocity peak at ~130 km/s is not unique to MOND
Creators: name: Pawlowski, Marcel S.
name: Kanehisa, Kosuke Jamie
name: Taibi, Salvatore
name: Li, Pengfei
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Observational studies of pairs of galaxies have uncovered that their differential line-of-sight velocities indicate the presence of a peak in their three-dimensional intervelocity distribution at 130-150 km/s. It had been argued that galaxy pairs in the standard model of cosmology, $Λ$CDM, should not exhibit such an intervelocity peak, while Modified Newtonian Dynamics (MOND) predicts such a preferred intervelocity for paired galaxies. However, no direct comparison with $Λ$CDM applying the same selection criteria and methodology as the observational studies has been performed yet, placing the comparison on unsure footing. To rectify this, we investigate this potential challenge for $Λ$CDM by determining whether an analog of the observed intervelocity peak is present in galaxy pairs within the IllustrisTNG-300 cosmological simulation. We identify galaxy pairs following the observational study's selection criteria, measure their projected velocity difference, and analyse both the de-projected as well as the full velocity difference for this galaxy pair sample in the simulation. We recover a deprojected intervelocity peak at ~130 km/s for galaxy pairs selected from the simulation. The full three-dimensional velocity information available for the pairs in the simulation also reveals a clear preference for this intervelocity. The intervelocity peak among galaxy pairs does not appear to be a feature unique to MOND, but is also present in $Λ$CDM. It can thus not be claimed as a unique success of either theory over the other. Developing the galaxy pair intervelocity into a test of gravity in the low acceleration regime will require more detailed studies to identify measurable differences in the models.
description: 9 pages, 8 figures. Accepted for publication in A&A Letters
Jujubinus baudoni
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus
Jujubinus baudoni

description: Jujubinus baudoni (Monterosato, 1891)
Present-day: Mediterranean Sea.
(Mariottini et al. 2013)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 39, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Kinetically-driven ekpyrosis
Creators: name: Shlivko, David
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We explore the possibility of a scalar field driving ekpyrotic contraction through a non-canonical kinetic energy density rather than a negative potential. We find that this kinetically-driven ekpyrosis ("k-ekpyrosis") can be achieved in a variety of models, including scalar field theories with power-law, polynomial, or DBI-like kinetic terms in the action. Of these examples, the ekpyrotic phase is best sustained in power-law models, which can generate large and constant equation-of-state parameters, followed by DBI-like models, which can exhibit dynamical attractors toward similarly large equations of state. We show that for a broad class of theories including these examples, phases of k-ekpyrosis are accompanied by preceding or concurrent phases of superluminality.
description: 10 pages, 4 figures, accepted for publication
Jujubinus astraeaformis Brunetti & Della Bella 2006
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus
Jujubinus astraeaformis

description: Jujubinus astraeaformis Brunetti & Della Bella, 2006 †
Pliocene (Zanclean): Mediterranean Sea (Italy).
(Brunetti & Della Bella 2006)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 39, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Low-temperature transport properties of intermetallic compound HoAgGe with kagome spin ice state
Creators: name: Li, N.
name: Huang, Q.
name: Yue, X. Y.
name: Guang, S. K.
name: Xia, K.
name: Wang, Y. Y.
name: Li, Q. J.
name: Zhao, X.
name: Zhou, H. D.
name: Sun, X. F.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We study the magnetic susceptibility, magnetization, resistivity and thermal conductivity of intermetallic HoAgGe single crystals at low temperatures and in magnetic fields along the $a$ and $c$ axis, while the electric and heat currents are along the $c$ axis. The magnetization curves show a series of metamagnetic transitions and small hysteresis at low field for $B \parallel a$, and a weak metamagnetic transition for $B \parallel c$, respectively. Both the magnetic susceptibility and $ρ(T)$ curve show anomalies at the antiferromagnetic transition ($T\rm_N \sim$ 11.3 K) and spin reorientation transition ($\sim$ 7 K). In zero field and at very low temperatures, the electrons are found to be the main heat carriers. For $B \parallel a$, the $ρ(B)$ curves display large and positive transverse magnetoresistance (MR) with extraordinary field dependence between $B^2$ and $B$-linear, accompanied with anomalies at the metamagnetic transitions and low-field hysteresis; meanwhile, the $κ(B)$ mainly decrease with increasing field and display some anomalies at the metamagnetic transitions. For $B \parallel c$, there is weak and negative longitudinal MR while the $κ(B)$ show rather strong field dependence, indicating the role of phonon heat transport.
description: 8 pages, 8 figures
Rectification of the spin Seebeck current in noncollinear antiferromagnets
Creators: name: Chotorlishvili, L.
name: Wang, Xi-guang
name: Dyrdal, A.
name: Guo, Guang-hua
name: Dugaev, V. K.
name: Barnas, J.
name: Berakdar, J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In the absence of an external magnetic field and a spin-polarized charge current, an antiferromagnetic system supports two degenerate magnon modes. An applied thermal bias activates the magnetic dynamics, leading to a magnon flow from the hot to the cold edge (magnonic spin Seebeck current). Both degenerate bands contribute to the magnon current but the orientations of the magnetic moments underlying the magnons are opposite in different bands. Therefore, while the magnon current is nonzero, the net spin current is zero.
description: Phys. Rev. B 106, 014417 (2022)
Rotation-induced granular motion on the secondary component of binary asteroids: Application to the DART impact on Dimorphos
Creators: name: Agrusa, Harrison
name: Ballouz, Ronald
name: Meyer, Alex J.
name: Tasev, Elisa
name: Noiset, Guillaume
name: Karatekin, Özgur
name: Michel, Patrick
name: Richardson, Derek C.
name: Hirabayashi, Masatoshi
Publisher: name: arXiv
Year: 2022
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: NASA's Double Asteroid Redirection Test (DART) mission will kinetically impact Dimorphos, the secondary component of the Didymos binary asteroid system, which will excite Dimorphos's dynamical state and lead to significant libration about the synchronous state and possibly chaotic non-principal axis rotation. Although this particular outcome is human caused, many other secondary components of binary systems are also prone to such exotic spin states. For a satellite in an excited spin state, the time-varying tidal and rotational environment can lead to significant surface accelerations. Depending on the circumstances, this mechanism may drive granular motion on the surface of the secondary. We modeled the dynamical evolution of a Didymos-like binary asteroid system using a fully coupled, three-dimensional simulation code. Then, we computed the time-varying gravitational and rotational accelerations felt over the entire surface resulting from the secondary's perturbed dynamical state. We find that an excited spin and orbit can induce large changes in the effective surface slope, potentially triggering granular motion and surface refreshment. However, for the case of the DART impact, this effect is highly dependent on many unknowns, such as Dimorphos's detailed shape, bulk density, surface geology, and the momentum transferred. Aside from the Didymos system and the DART mission, this effect also has important implications for binary systems in general.
description: 13 pages, 5 figures, accepted for publication in A&A Letters
A GENERALIZATION OF THE RANDOMIZED SINGULAR VALUE DECOMPOSITION
Creators: name: Boullé, N
name: Townsend, A
Publisher: name: Apollo - University of Cambridge Repository
Year: 2024

description: The randomized singular value decomposition (SVD) is a popular and effective algorithm for computing a near-best rank k approximation of a matrix A using matrix-vector products with standard Gaussian vectors. Here, we generalize the randomized SVD to multivariate Gaussian vectors, allowing one to incorporate prior knowledge of A into the algorithm. This enables us to explore the continuous analogue of the randomized SVD for Hilbert-Schmidt (HS) operators using operator-function products with functions drawn from a Gaussian process (GP). We then construct a new covariance kernel for GPs, based on weighted Jacobi polynomials, which allows us to rapidly sample the GP and control the smoothness of the randomly generated functions. Numerical examples on matrices and HS operators demonstrate the applicability of the algorithm.
authorIDy: Listing Contributions by Contributor Identifier
Creators: name: Hochstenbach, Patrick
name: Van de Sompel, Herbert
name: Klein, Martin
name: Dillo, Ingrid
Publisher: name: Zenodo
Year: 2024
Subjects: OR2024
interoperability
contributor identifiers
distributed web
next generation repositories

description: Increasingly, repositories allow, recommend, or require providing unique contributor identifiers, such as ORCID or ISNI, when depositing contributions. Despite this evolution, few repositories provide a machine interface that allows listing the contributions made by a researcher using their contributor identifier as a key. An interface with this capability, supported across repositories, would facilitate a range of use cases and could be an important next step towards realizing COAR's Next Generation Repositories vision. This presentation will introduce the core characteristics of authorIDy, a conceptual proposal for such a machine interface. The presentation is mainly aimed at soliciting feedback to inform next steps. Therefor, sufficiently in advance of the presentation, a document will be made available that gives an overview of key aspects of the proposal, which has simplicity at its core.
Enhanced valley polarization of graphene on hBN under circularly polarized light irradiation
Creators: name: Nakagahara, Keisuke
name: Wakabayashi, Katsunori
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Graphene on hBN (G/hBN) has a long period moiré superstructure owing to the lattice mismatch between two materials. Long periodic potential caused by the moiré superstructure induces modulation of electronic properties of the system. In this paper, we numerically calculate optical conductivity of G/hBN under circularly polarized light irradiation. The lack of spatial inversion symmetry in G/hBN induces the valley polarization. In further, the valley polarization becomes most pronounced in the infrared and terahertz regions if the twist angle between two materials is close to zero for non-doping case, however, insensitive with twist angle for hole-doped case. These results will serve to design the valleytronics devices using G/hBN.
description: 7 pages, 4 figures
Jujubinus browningleeae Smriglio, Mariottini & Swinnen 2018
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus
Jujubinus browningleeae

description: Jujubinus browningleeae Smriglio, Mariottini & Swinnen, 2018
Present-day: NE Atlantic (off Portugal).
(Smriglio et al. 2018)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 40, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Suspended dry pick-up and flip-over assembly for van derWaals heterostructures with ultra-clean surfaces
Creators: name: Jin, Keda
name: Wichmann, Tobias
name: Wenzel, Sabine
name: Samuely, Tomas
name: Onufriienko, Oleksander
name: Szabo, Pavol
name: Watanabe, Kenji
name: Taniguchi, Takashi
name: Yan, Jiaqiang
name: Tautz, Frank Stefan
name: Lüpke, Felix
name: Ternes, Markus
name: Martinez, Jose
Publisher: name: Forschungzentrum Jülich
Year: 2023

description: Suspended dry pick-up and flip-over assembly for van der Waals heterostructures with ultra-clean surfaces (2023). doi:arXiv:2306.10305
Jujubinus bitoriferus Monterosato 1884
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus

description: Jujubinus? bitoriferus (Janssen, 1978) †
Oligocene (Chattian): North Sea (Germany).
(Janssen 1978)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 40, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Electromagnetic properties of the $ D \bar D^* K$ molecular hexaquark state
Creators: name: Ozdem, U.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We systematically study the electromagnetic properties of multiquark states. In this study, inspired by the recent series of studies that showed the likely existence of a $ D \bar D^* K$ state, we examine the magnetic moment of $ D \bar D^* K$ hexaquark state in three-meson molecular structure, as well as having isospin and spin-parity quantum numbers $I(J^P) =3/2(1^-)$ via light-cone sum rules. The magnetic moment obtained for the $ D \bar D^* K$ molecular hexaquark state is quite large due to the double electric charge, and its magnitude indicates that it is accessible in future experiments. As a byproduct, the quadrupole moment of the $ D \bar D^* K$ molecular hexaquark state is also extracted. This value indicates a non-spherical charge distribution. The magnetic moments of hadrons contains valuable knowledge on the distributions of charge and magnetization their inside, which can be used to better understand their geometric shape and quark-gluon organizations. The results given in this study constitute an estimate of the magnetic moment of this $D \bar D^* K$ state and should serve as an inspiration to conduct experimental examinations of this state.
description: 6 pages and 1 figure
Continuous Integration for HPC Codes
Creators: name: Fritz, Jakob
name: Speck, Robert
Publisher: name: Forschungzentrum Jülich
Year: 2024

description: 16th JLESC Workshop, JLESC16, Kobe, Japan, 16 Apr 2024 - 18 Apr 2024
description: In the project, ""Continuous integration for HPC codes"", we worked on continuous testing as well as continuous benchmarking. In the field of continuous testing, the solution to automatically mirror code from github to gitlab was further improved. Now different workflows are supported better (e.g. not only working with branches in the same repository but also working with Pull-Requests from forks). The development of the tool can be found on github (https://github.com/jakob-fritz/github2lab_action) Furthermore, continuous testing has been extended to enhance storage and visualization the recorded performance data. See an example of that approach. (https://gitlab.jsc.fz-juelich.de/SLPP/pepc/pepc)
La cultura hispanoamericana en el siglo XX centrándose en la vida y obra de Frida Kahlo y Vicente Huidobro
Creators: name: Giotopoulos, Georgios
Publisher: name: Zenodo
Year: 2024
Subjects: cultura hispanoamericana
siglo XX
Frida Kahlo
Vicente Huidobro
Teología de la liberación
Creacionismo
movimiento surrealista

description: La cultura de Hispanoamérica en el siglo XX, con un enfoque en la vida y las obras de Frida Kahlo y Vicente Huidobro.
Ignition of carbon burning from nuclear fission in compact stars
Creators: name: Horowitz, C. J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Type-Ia supernovae (SN Ia) are powerful stellar explosions that provide important distance indicators in cosmology. Recently, we proposed a new SN Ia mechanism that involves a nuclear fission chain reaction in an isolated white dwarf (WD) [PRL 126, 1311010]. The first solids that form as a WD starts to freeze are actinide rich and potentially support a fission chain reaction. In this letter we explore thermonuclear ignition from fission heating. We perform thermal diffusion simulations and find at high densities, above about 7x10^8 g/cm^3, that the fission heating can ignite carbon burning. This could produce a SN Ia or another kind of astrophysical transient.
description: 6 pages, 3 figures, Accepted ApJ Letters
Jujubinus boutillieri Monterosato 1884
Creators: name: Harzhauser, Mathias
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Gastropoda
Trochida
Trochidae
Jujubinus

description: “ Jujubinus” boutillieri (Cossmann, 1888) †
Eocene (Bartonian): NE Atlantic (France: Paris Basin).
(Le Renard & Pacaud 1995)
description: Published as part of Harzhauser, Mathias, 2021, The Cainozoic to present-day record of Circum-Mediterranean, NE Atlantic and North Sea Cantharidinae and Trochinae (Trochoidea, Gastropoda) - a synopsis, pp. 1-81 in Zootaxa 4902 (1) on page 40, DOI: 10.11646/zootaxa.4902.1.1, http://zenodo.org/record/4419088
Impact of dust size distribution including large dust grains on magnetic resistivity: an analytical approach
Creators: name: Tsukamoto, Yusuke
name: Okuzumi, Satoshi
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: This paper investigates the impact of dust size distribution on magnetic resistivity. In particular, we focus on its impact when the maximum dust size significantly increases from sub-micron. The first half of the paper describes our calculation method for magnetic resistivity based on the model of \citet{1987ApJ...320..803D} and shows that the method reproduces the results of a more realistic chemical reaction network calculations reasonably well. Then, we describe the results of the resistivity calculations for dust distributions with large maximum dust grains. Our results show that resistivity tends to decrease with dust growth, which is particularly true when the dust size power exponent $q$ is $q=2.5$. On the other hand, the decrease is less pronounced when the dust size power exponent $q$ is $q=3.5$, i.e., when the small dust is also responsible for the dust cross-section. Our results suggest that detailed dust coagulation and fragmentation processes play a vital role in the magnetic resistivities in protostar formation.
description: 12 pages, 11 figures, accepted for publication in ApJ; https://iopscience.iop.org/article/10.3847/1538-4357/ac7b7b