cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Accurate calculation of the local density of optical states in inverse-opal photonic crystals
Creators: name: Nikolaev, Ivan S.
name: Vos, Willem L.
name: Koenderink, A. Femius
Publisher: name: arXiv
Year: 2009
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We have investigated the local density of optical states (LDOS) in titania and silicon inverse opals -- three-dimensional photonic crystals that have been realized experimentally. We used the H-field plane-wave expansion method to calculate the density of states and the projected local optical density of states, which are directly relevant for spontaneous emission dynamics and strong coupling. We present the first quantitative analysis of the frequency resolution and of the accuracy of the calculated local density of states. We have calculated the projected LDOS for many different emitter positions in inverse opals in order to supply a theoretical interpretation for recent emission experiments and as reference results for future experiments and theory by other workers. The results show that the LDOS in inverse opals strongly depends on the crystal lattice parameter as well as on the position and orientation of emitting dipoles.
description: 11 figures
Quando due stelle si avvicinano
Creators: Corrado Ruscica
Publisher: name: Media Inaf
Year: 2016

Un gruppo di astrofisici dell’Heidelberg Institute for Theoretical Studies ha realizzato calcoli numerici per simulare la fase dell’inviluppo comune di un sistema stellare binario. I risultati di questo studio, pubblicati su ApJ Letters, hanno permesso di ricavare una serie di irregolarità dinamiche che potrebbero fornire nuovi indizi per spiegare come evolvono le supernove. Il commento di Laura Greggio (INAF-Padova)
Paradoxes of neutrino oscillations
Creators: name: Akhmedov, Evgeny Kh.
name: Smirnov, Alexei Yu.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Despite the theory of neutrino oscillations being rather old, some of its basic issues are still being debated in the literature. We discuss, in the framework of the wave packet approach, a number of such issues, including the relevance of the "same energy" and "same momentum" assumptions, the role of quantum-mechanical uncertainty relations in neutrino oscillations, the dependence of the production/detection and propagation coherence conditions that ensure the observability of neutrino oscillations on neutrino energy and momentum uncertainties, the question of (in)dependence of the oscillation probabilities on the neutrino production and detection processes, the applicability limits of the stationary source approximation, and Lorentz invariance of the oscillation probability. We also develop a novel approach to calculation of the oscillation probability in the wave packet picture, based on the summation/integration conventions different from the standard one, which gives a new insight into the oscillation phenomenology. We discuss a number of apparently paradoxical features of the theory of neutrino oscillations.
description: LaTeX, 45 pages, no figures. v2: references added
Mentos Regimes: How Individual Uncertainty Affects the Explosive Strength of Resistance Movements—People are the Real Freshmakers
Creators: name: Helbing, Joseph
Publisher: name: University of Chicago
Year: 2023
Subjects: subject: Agent Based Model
subject: Simulation
subject: Protest
subject: Authoritarian
subject: Uncertainty

description: This article looks at the empirical data on protests in authoritarian countries as a function of regime type and information control, then constructs an agent based model to examine how the effect of uncertainty can help explain the differences in protest and resistance movements in these differing regime types. The agent based model instantiates two agent types, Citizen and Security, and shows how an inverse relationship between uncertainty with regards acceptable public opposition, the probability of suffering costs, and the ability to accurately perceive local regime support lead to differences in resistance movements. Analysis focuses on the speed of resistance spread between agents as a function of individual agent level uncertainty, and how this affects total resistance size, either full equilibrium flips, i.e. successful revolutions, or protracted unrest. Investigation of empirical data shows reduced frequency of protests in more authoritarian regimes and regimes with higher levels of information control. Modeling dynamics further confirms this behavior and shows a potential connection between lower information control and more frequent but slower spreading, smaller scale resistance events while higher information control is connected with with faster inter-agent resistance spread, and larger resistance levels at a reduced frequency.
“Pesata” la cometa 67P: 10 miliardi di tonnellate
Creators: Elisa Nichelli
Publisher: name: Media Inaf
Year: 2016

Un team di scienziati, guidato da ricercatori del Rheinische Institut für Umweltforschung dell’Università di Colonia, ha analizzato dati provenienti dal Radio Science Experiment della sonda Rosetta, scoprendo che la sua struttura interna è piuttosto omogenea, senza grandi cavità. Lo studio sul numero di questa settimana della rivista Nature
Diagnostic images for mild cognitive impairment reveal biomarker status and abnormal scene processing
Creators: name: Bai, Yuetong
Publisher: name: University of Chicago
Year: 2023
Subjects: subject: memorability
subject: mild cognitive impairment
subject: AD biomarker
subject: visual memory
subject: scene perception

description: Research on the impairment of episodic memory in AD usually treats all memory contents equally. However, recent studies have revealed that certain images are more diagnostic than other images in classifying whether a person may have AD or its precursors (e.g., mild cognitive impairment, MCI), highlighting the potential insights we may gain when looking at differences across memory content. In this study, we explore whether a set of potentially diagnostic images, for which healthy controls have much higher hit rates than MCI participants, could reflect abnormalities in AD biomarker status and brain processing better than other images. 64 healthy controls and 48 MCI participants in the DELCODE dataset performed a visual scene memory task during fMRI, with CSF AD biomarker data collected (i.e., amyloid and tau biomarkers). We tested whether diagnostic versus non-diagnostic images showed a stronger relationship between behavior and CSF biomarker status, and showed differences in visual patterns during fMRI. We found that diagnostic images have larger behavior-biomarker correlations for total tau, phospho-tau, Aβ42/Aβ40, Aβ42/phospho-tau compared to non-diagnostic images, suggesting that memory for these specific images are more affected by AD pathology. The fMRI data revealed an interaction effect between group membership (healthy control / MCI) and image diagnosticity (diagnostic / non-diagnostic scene images), with MCI participants having higher activation in scene processing regions (PPA, MPA/RSC and OPA) for diagnostic images than non-diagnostic images. In contrast, healthy controls showed no differences in processing between diagnostic and non-diagnostic images. These results suggest that MCI individuals may engage in heightened compensatory activation for these diagnostic images. Our results suggest that diagnostic images are particularly effective at revealing brain pathologies, highlighting direct clinical applications and potential implications for our broader understanding of episodic memory.
A method of ratio recording for lead isotopes in mass spectrometry
Creators: name: Stacey, John Sydney
Publisher: name: University of British Columbia
Year: 2011

description: Ratio recording methods in mass spectrometry have hitherto been successfully used in analyses involving only a few of the lighter elements. In all these cases a great improvement in precision has resulted. This thesis describes a means whereby grid ratio recording can be extended to the precise measurement of complex spectra in the high mass range. In particular, lead isotope studies in geophysics provide a great and continuing need for increased analytical precision. The project has involved the construction of a complete mass spectrometer which incorporates two main features which have not been used before in mass spectrometry. The first of these is a scanning mechanism which moves the collector across the stationary ion beams. It is this innovation which has made possible the development of grid ratio recording. Since the total ion beam is stationary, variations in its intensity during the scanning process can be monitored accurately. A servo-divider system is arranged to make the measuring system Insensitive to variations in the total ion beam by recording the individual ion beam currents as fraction of the total Ion beam. The ratio system will effectively reduce large variations in the total Ion beam due to changes in source conditions by a factor of fifteen. Smaller variations are reduced to below the noise level existing in the recording system itself. The second principle which is believed to be new to mass spectrometry is the method by which the results of an analysis are presented by the instrument. An expanded scale system of recording has been developed whereby the amplitude of an ion current is presented as a digit on a counting tube, with the remainder displayed as a peak on a chart recorder. It is demonstrated that the expanded scale arrangement will record a known signal with a standard deviation of less than 0.02%.
title: ÐÐ¸Ð´ÑÐ¾ÑÐµÑ Ð½Ð¸ÑÐµÑÐºÐ¾Ðµ ÑÑÑÐ¾Ð¸ÑÐµÐ»ÑÑÑÐ²Ð¾. ÐÐ¾ÑÑÑ Ð¡ÐµÐ²ÐµÑÐ½Ð¾Ð³Ð¾ Ð¼Ð¾ÑÑÐºÐ¾Ð³Ð¾ Ð¿ÑÑÐ¸
title: ÑÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ
titleType: Subtitle
Creators: name: Ð¨Ð°ÑÐ°Ð¿Ð¾Ð², ÐÐ¼Ð¸ÑÑÐ¸Ð¹
name: ÐÐ¾Ð»ÑÑÐµÐ², ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
name: Ð¤ÑÐ¾Ð»Ð¾Ð²Ð°, ÐÑÐ¸Ð½Ð°
Publisher: name: ÐÐÐÐÐ¢ÐÐ¥-ÐÐ ÐÐ¡Ð¡
Year: 2023
Subjects: ÐÐ¸Ð´ÑÐ¾ÑÐµÑ Ð½Ð¸ÑÐµÑÐºÐ¸Ðµ ÑÐ¾Ð¾ÑÑÐ¶ÐµÐ½Ð¸Ñ
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Sabato c’è il Sole… tempo permettendo
Creators: Mauro Gargano
Publisher: name: Media Inaf
Year: 2016

Sabato 6 e sabato 13 febbraio 2016, dalle 10 alle 12.30, apertura straordinaria dell'Osservatorio Astronomico di Capodimonte dell'INAF, con visite guidate al museo e osservazioni astronomiche
title: ÐÑÐ¾Ð³ÑÐµÑÑÐ¸Ð²Ð½ÑÐµ ÑÑ ÐµÐ¼Ñ Ð¸ Ð¿Ð°ÑÐ°Ð¼ÐµÑÑÑ Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð¿Ð¾Ð²ÐµÑÑ Ð½Ð¾ÑÑÐµÐ¹ Ñ ÐºÐ¾ÑÐ¿ÑÑÐ½ÑÑ Ð´ÐµÑÐ°Ð»ÐµÐ¹ Ð¸Ð· ÑÑÑÐ´Ð½Ð¾Ð¾Ð±ÑÐ°Ð±Ð°ÑÑÐ²Ð°ÐµÐ¼ÑÑ ÑÑÐ°Ð»ÐµÐ¹
title: Ð¼Ð°Ð³Ð¸ÑÑÐµÑÑÐºÐ°Ñ Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ñ
titleType: Subtitle
Creators: name: Ð©ÐµÐ¿ÐºÐ¸Ð½, ÐÐ¸ÐºÐ¸ÑÐ°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2016
Subjects: ÐÐµÑÐ°Ð»Ð¸ Ð¼Ð°ÑÐ¸Ð½ ÐºÐ¾ÑÐ¿ÑÑÐ½ÑÐµ
ÐÐ½ÑÑÑÑÐ¼ÐµÐ½ÑÐ°Ð»ÑÐ½ÑÐµ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ñ
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title: ÐÑÐ½Ð¾Ð²Ñ Ð¼ÐµÐ½ÐµÐ´Ð¶Ð¼ÐµÐ½ÑÐ°
title: ÑÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ Ð¿Ð¾ ÐºÑÑÑÑ Â«ÐÐµÐ½ÐµÐ´Ð¶Ð¼ÐµÐ½ÑÂ» (Ð´Ð»Ñ ÑÑÑÐ´ÐµÐ½ÑÐ¾Ð² ÑÐ¿ÐµÑÐ¸Ð°Ð»ÑÐ½Ð¾ÑÑÐµÐ¹ 35.11.00 Â«Ð¢Ð¾Ð²Ð°ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¸Ðµ Ð¸ ÑÐºÑÐ¿ÐµÑÑÐ¸Ð·Ð° ÑÐ¾Ð²Ð°ÑÐ¾Ð²Â», 27.12.00 Â«Ð¢ÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ñ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¾Ð² Ð¾Ð±ÑÐµÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿Ð¸ÑÐ°Ð½Ð¸ÑÂ»
titleType: Subtitle
Creators: name: Ð¡ÑÑÐµÐ²Ð°, Ð­.
Publisher: name: Ð¡ÐÐ±Ð¢Ð­Ð
Year: 2006
Subjects: Ð¼ÐµÐ½ÐµÐ´Ð¶Ð¼ÐµÐ½Ñ
ÑÑÐµÐ±Ð½Ð¸ÐºÐ¸ Ð¸ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ñ Ð´Ð»Ñ Ð²ÑÐ·Ð¾Ð²

description: Ð£ÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ Ð¿Ð¾ ÐºÑÑÑÑ Â«ÐÐµÐ½ÐµÐ´Ð¶Ð¼ÐµÐ½ÑÂ» Ð¸Ð¼ÐµÐµÑ ÑÐµÐ»ÑÑ Ð±Ð¾Ð»ÐµÐµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð¾Ð²Ð°ÑÑ Ð¿ÑÐ¾ÑÐµÑÑ Ð¸Ð·ÑÑÐµÐ½Ð¸Ñ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ñ ÐºÑÑÑÐ° ÑÑÑÐ´ÐµÐ½ÑÐ°Ð¼Ð¸ ÑÐ¿ÐµÑÐ¸Ð°Ð»ÑÐ½Ð¾ÑÑÐµÐ¹ 35.11,00 Â«Ð¢Ð¾Ð²Ð°ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¸Ðµ Ð¸ ÑÐºÑÐ¿ÐµÑÑÐ¸Ð·Ð° ÑÐ¾Ð²Ð°ÑÐ¾Ð²Â», 27.12.00 Â«Ð¢ÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸Ñ Ð¿ÑÐ¾Ð´ÑÐºÑÐ¾Ð² Ð¾Ð±ÑÐµÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿Ð¸ÑÐ°Ð½Ð¸ÑÂ», Ð Ð½ÐµÐ¼ Ð´Ð°ÑÑÑÑ ÑÐµÐ¾ÑÐµÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¸ Ð¼ÐµÑÐ¾Ð´Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ½Ð¾Ð²Ñ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ, ÑÐ°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÐµÐ¼ÑÐµ Ð² ÑÐ°Ð¼ÐºÐ°Ñ ÐºÑÑÑÐ° Â«ÐÐµÐ½ÐµÐ´Ð¶Ð¼ÐµÐ½ÑÂ», ÑÑÐ¾ Ð¿Ð¾Ð·Ð²Ð¾Ð»ÑÐµÑ Ð¿ÑÐµÐ¿Ð¾Ð´Ð°Ð²Ð°ÑÐµÐ»Ñ Ð¿ÐµÑÐµÑÐ°ÑÐ¿ÑÐµÐ´ÐµÐ»Ð¸ÑÑ Ð°ÑÐ´Ð¸ÑÐ¾ÑÐ½ÑÑ Ð½Ð°Ð³ÑÑÐ·ÐºÑ, ÑÐ¾ÐºÑÐ°ÑÐ¸Ð² Ð²ÑÐµÐ¼Ñ, Ð¾ÑÐ²ÐµÐ´ÐµÐ½Ð½Ð¾Ðµ Ð½Ð° ÐºÐ¾Ð½ÑÐ¿ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ ÑÑÑÐ´ÐµÐ½ÑÐ°Ð¼Ð¸ Ð¾ÑÐ½Ð¾Ð²Ð½ÑÑ Ð²Ð¾Ð¿ÑÐ¾ÑÐ¾Ð² ÐºÑÑÑÐ°, Ð¸ ÑÐ²ÐµÐ»Ð¸ÑÐ¸Ð² Ð²ÑÐµÐ¼Ñ Ð½Ð° ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ð¸Ðµ Ð¸ Ð¾Ð±ÑÑÐ¶Ð´ÐµÐ½Ð¸Ðµ Ð¿ÑÐ¸Ð¼ÐµÑÐ¾Ð² Ð¿ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸ÑÐ¼Ð¸ ÑÐ¾ÑÐ³Ð¾Ð²Ð»Ð¸ Ð¸ Ð¾Ð±ÑÐµÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿Ð¸ÑÐ°Ð½Ð¸Ñ. Ð£ÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ ÑÐ¾ÑÑÐ°Ð²Ð»ÐµÐ½Ð¾ Ð² ÑÐ¾Ð¾ÑÐ²ÐµÑÑÑÐ²Ð¸Ð¸ Ñ ÑÑÐµÐ±Ð¾Ð²Ð°Ð½Ð¸ÑÐ¼Ð¸ ÐÐ¾ÑÑÐ´Ð°ÑÑÑÐ²ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ ÑÑÐ°Ð½Ð´Ð°ÑÑÐ° Ð²ÑÑÑÐµÐ³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ¸Ð¾Ð½Ð°Ð»ÑÐ½Ð¾Ð³Ð¾ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¿Ð¾ Ð´Ð°Ð½Ð½ÑÐ¼ ÑÐ¿ÐµÑÐ¸Ð°Ð»ÑÐ½Ð¾ÑÑÑÐ¼.
Reconstructing mass profiles of simulated galaxy clusters by combining Sunyaev-Zeldovich and X-ray images
Creators: name: Ameglio, S.
name: Borgani, S.
name: Pierpaoli, E.
name: Dolag, K.
name: Ettori, S.
name: Morandi, A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a method to recover mass profiles of galaxy clusters by combining data on thermal Sunyaev-Zeldovich (tSZ) and X-ray imaging, thereby avoiding to use any information on X-ray spectroscopy. This method, which represents a development of the geometrical deprojection technique presented in Ameglio et al. (2007), implements the solution of the hydrostatic equilibrium equation. In order to quantify the efficiency of our mass reconstructions, we apply our technique to a set of hydrodynamical simulations of galaxy clusters. We propose two versions of our method of mass reconstruction. Method 1 is completely model-independent, while Method 2 assumes instead the analytic mass profile proposed by Navarro et al. (1997) (NFW). We find that the main source of bias in recovering the mass profiles is due to deviations from hydrostatic equilibrium, which cause an underestimate of the mass of about 10 per cent at r_500 and up to 20 per cent at the virial radius. Method 1 provides a reconstructed mass which is biased low by about 10 per cent, with a 20 per cent scatter, with respect to the true mass profiles. Method 2 proves to be more stable, reducing the scatter to 10 per cent, but with a larger bias of 20 per cent, mainly induced by the deviations from equilibrium in the outskirts. To better understand the results of Method 2, we check how well it allows to recover the relation between mass and concentration parameter. When analyzing the 3D mass profiles we find that including in the fit the inner 5 per cent of the virial radius biases high the halo concentration. Also, at a fixed mass, hotter clusters tend to have larger concentration. Our procedure recovers the concentration parameter essentially unbiased but with a scatter of about 50 per cent.
description: 13 pages, 11 figures, submitted to MNRAS
Annichilazione di dark matter? C’è chi dice no
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2016

L’eccesso anomalo di raggi gamma provenienti dal centro della Via Lattea è prodotto, probabilmente, da stelle di neutroni in rapida rotazione. E non dall’annichilazione della materia oscura, come ipotizzato in precedenza. A sostenerlo,  due studi pubblicati su Physical Review Letters. Il commento di Pietro Ubertini (INAF IAPS Roma)
title: ÐÐ½Ð°Ð»Ð¸Ð· ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð° ÑÐ¼Ð°ÑÑÐ²Ð°Ð½Ð¸Ñ Ð¸ Ð¿ÑÐ¾ÑÑÐ³Ð¸Ð²Ð°Ð½Ð¸Ñ Ð»ÐµÐ½ÑÐ¾ÑÐ½Ð¾Ð³Ð¾ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð° Ñ Ð¿Ð¾ÑÑÐ¾ÑÐ½Ð½Ð¾Ð¹ ÑÐºÐ¾ÑÐ¾ÑÑÑÑ
title: Analysis of a device for winding and drawing tape material with a constant speed
Creators: name: ÐÐ°Ð¼ÑÑÐ°Ð³Ð¸Ð½, Ð®ÑÐ¸Ð¹
name: "Ð¡Ð¸ÑÑÐµÐ¼Ð½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· Ð² Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ð¸ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ð¸", Ð¼ÐµÐ¶Ð´ÑÐ½Ð°ÑÐ¾Ð´Ð½Ð°Ñ Ð½Ð°ÑÑÐ½Ð¾-Ð¿ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ°Ñ ÐºÐ¾Ð½ÑÐµÑÐµÐ½ÑÐ¸Ñ (26; 2022; Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³)
Publisher: name: ÐÐÐÐÐ¢ÐÐ¥-ÐÐ ÐÐ¡Ð¡
Year: 2023
Subjects: ÐÐµÑ Ð°Ð½Ð¸Ð·Ð¼Ñ
Ð½Ð°ÑÑÐ¶ÐµÐ½Ð¸Ðµ Ð»ÐµÐ½ÑÑ
ÑÐ°Ð·Ð¼Ð¾ÑÐ¾ÑÐ½ÑÐ¹ Ð¼ÐµÑ Ð°Ð½Ð¸Ð·Ð¼
Ð´Ð¸ÑÐºÑÐµÑÐ½Ð°Ñ Ð¿ÑÐ¾ÑÑÐ¶ÐºÐ°
ÑÐ°Ð²Ð½Ð¾Ð¼ÐµÑÐ½Ð°Ñ Ð¿ÑÐ¾ÑÑÐ¶ÐºÐ°
ÑÑÐ»Ð¾Ð½Ð½ÑÐµ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ñ
tape tension
unwinding mechanism
discrete pulling out
steady pulling out
roll materials

description: ÐÐµÐ½ÑÐ¾ÑÐ½ÑÐµ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ñ ÑÐ¸ÑÐ¾ÐºÐ¾ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·ÑÑÑÑÑ Ð² ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ Ð¾ÑÑÐ°ÑÐ»ÑÑ Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾ÑÑÐ¸. ÐÑÐ¸ Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ð¹ Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐµ ÑÐ°ÐºÐ¸Ñ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð¾Ð² Ð² Ð¼Ð°ÑÐ¸Ð½Ð°Ñ Ð¸ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ð¸ Ð²Ð°Ð¶Ð½ÑÐ¼ ÑÐ²Ð»ÑÐµÑÑÑ Ð¾Ð±ÐµÑÐ¿ÐµÑÐ¸Ð²Ð°ÑÑ Ð¿Ð¾ÑÑÐ¾ÑÐ½Ð½ÑÑ ÑÐ¸Ð»Ñ Ð½Ð°ÑÑÐ¶ÐµÐ½Ð¸Ñ ÑÐ¼Ð°ÑÑÐ²Ð°ÐµÐ¼Ð¾Ð¹ Ñ ÑÑÐ»Ð¾Ð½Ð° Ð»ÐµÐ½ÑÑ. ÐÐ»Ñ ÑÑÐ¾Ð¹ ÑÐµÐ»Ð¸ Ð°Ð²ÑÐ¾ÑÐ¾Ð¼ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½ ÑÐ¿ÐµÑÐ¸Ð°Ð»ÑÐ½ÑÐ¹ Ð¼ÐµÑÐ°Ð½Ð¸Ð·Ð¼. ÐÑÑÐ»ÐµÐ´ÑÐµÑÑÑ Ð²Ð¾Ð·Ð¼Ð¾Ð¶Ð½Ð¾ÑÑÑ ÐµÐ³Ð¾ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ Ð´Ð»Ñ ÑÐ°Ð²Ð½Ð¾Ð¼ÐµÑÐ½Ð¾Ð¹ ÑÐ°Ð·Ð¼Ð¾ÑÐºÐ¸ ÑÑÐ»Ð¾Ð½Ð½ÑÑ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð¾Ð². Ð ÐµÐ·ÑÐ»ÑÑÐ°ÑÑ Ð¿Ð¾ÐºÐ°Ð·Ð°Ð»Ð¸, ÑÑÐ¾ Ð´Ð°Ð½Ð½Ð¾Ðµ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð¾ Ð¼Ð¾Ð¶ÐµÑ Ð¾Ð±ÐµÑÐ¿ÐµÑÐ¸ÑÑ ÑÐ°Ð·Ð¼Ð°ÑÑÐ²Ð°Ð½Ð¸Ðµ ÑÑÐ»Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð° Ñ Ð¿Ð¾ÑÑÐ¾ÑÐ½Ð½Ð¾Ð¹ ÑÐºÐ¾ÑÐ¾ÑÑÑÑ Ð±ÐµÐ· Ð¿ÑÐ¾Ð²Ð¸ÑÐ¾Ð² Ð¸ Ð±ÐµÐ· ÑÐºÐ°ÑÐºÐ¾Ð² ÑÐ¸Ð»Ñ Ð½Ð°ÑÑÐ¶ÐµÐ½Ð¸Ñ.
description: Tape materials are widely used in various industries. In the automatic processing of such materials in machines and equipment, it is important to ensure a constant tension force of the tape unwound from the roll. For this purpose, the author has developed a special mechanism. The possibility of its application for uniform unwinding of rolled materials is being investigated. The results showed that this device can unwind the rolled material at a constant speed without sagging and without tension surges.
Un passo importante per la realizzazione di E-ELT
Creators: Redazione Media Inaf
Publisher: name: Media Inaf
Year: 2016

Il Finance Committee dell'ESO ha autorizzato l’avvio della negoziazione finale con i vincitori del bando di gara per il processo di progettazione, costruzione, trasporto, costruzione, assemblaggio sul sito finale e verifica della cupola e della struttura principale del più grande telescopio ottico del mondo. Nicolò D'Amico, presidente INAF: «Un risultato che parte da lontano, costruito nel tempo anche con il contributo determinante dell’INAF. Lo sviluppo delle tecnologie d’avanguardia, necessarie per svelare i segreti dell’Universo, configura importanti ritorni industriali per il Paese»
Crematogaster biformis Andre
Creators: name: Feldhaar, Heike
name: Maschwitz, Ulrich
name: Fiala, Brigitte
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Formicidae
Crematogaster
Crematogaster biformis

description: Crematogaster biformis André C. biformis (André, 1892) Material examined C. biformis André. 1 worker, Borneo Forel (MHNG) Worker measurements (minor worker) (n=1) HL 0.85, HW 0.85, EL 0.15, SL 0.55, WL 0.9, MTW --, LHT 0.55, DPW 0.23, DPPW 0.22, CI 1.0, SI 0.64, REL 0.18, PI 1.03, RLEG 0.61, LPS 0.13 (TL 3.0) Description of worker Workers of Crematogaster biformis are dimorphic, with minor and major workers. Colour of workers uniformly dark brown. All body parts bear long erect hairs, including the legs. Head subquadratic, as wide as long. Short propodeal spines are present in minor worker but absent in major worker (Fig. S2.2A and S2.2B, lateral view of alitrunk). The metanotal groove is distinctly visible and more pronounced than in the Macaranga -associated Decacrema species. Terminal three funicular segments form a distinct club. In dorsal view petiole round to trapezoid and postpetiole round in shape. In lateral view the anterior face of the petiolar node flattened and sloping downwards anteriorly. Petiole longer than postpetiole. Dorsal surface of the postpetiolar node in profile rounded. Anteroventral tooth of petiole present but rounded.
description: Published as part of Heike Feldhaar, Ulrich Maschwitz & Brigitte Fiala, 2016, Taxonomic Revision of the Obligate Plant-Ants of the Genus Crematogaster Lund (Hymenoptera: Formicidae: Myrmicinae), Associated with Macaranga Thouars (Euphorbiaceae) on Borneo and the Malay Peninsula, pp. 651-681 in Sociobiology 63 (1) on page 681, DOI: 10.13102/sociobiology.v63i1.949, http://zenodo.org/record/269814
Vita sulla Terra grazie a Giove? È possibile
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2016

Il ruolo difensivo di Giove potrebbe essere stato sovrastimato. È vero che molte comete, come altri corpi, sono deviate da questo pianeta, ma è altrettanto vero che tante altre vengono invece dirottate verso la Terra. Per questo si pensa che sia Giove che Saturno abbiano avuto un compito non di poca importanza: traghettare particelle fondamentali per la vita verso l'orbita del nostro pianeta
Высшее образование сегодня,Выпуск 7 2018
Creators: name: Автономная некоммерческая организация высшего образования «Российский новый университет»
Publisher: name: Автономная некоммерческая организация высшего образования «Российский новый университет»
Year: 2018

description: Высшее образование сегодня,Выпуск 7 2018
A Roy Kerr il “Nobel” per l’astronomia
Creators: Stefano Parisini
Publisher: name: Media Inaf
Year: 2016

Assegnato dall’Accademia Svedese delle Scienze al matematico Roy Kerr, che per primo descrisse la geometria dello spazio-tempo attorno ai buchi neri rotanti, e all’astronomo Roger Blandford, che su tale base spiegò le quasar, il premio Crafoord per l’astronomia 2016. Con commento di Della Valle (INAF)
Transverse force distributions in the proton from lattice QCD
Creators: name: Can, K. U.
name: Crawford, J. A.
name: Horsley, R.
name: Rakow, P. E. L.
name: Schierholz, Gerrit
name: Stüben, H.
name: Young, R. D.
name: Zanotti, J. M.
name: QCDSF Collaboration
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2025

description: Single-spin asymmetries observed in polarised deep-inelastic scattering are important probes of hadron structure. The Sivers asymmetry provides information about the transverse momentum of the struck quark and can be related to final-state interactions. Understanding these asymmetries at the quark level has been the subject of much interest in QCD phenomenology. In this contribution, we present a lattice QCD calculation of the transverse spatial distribution of a colour-Lorentz force acting on the struck quark in a proton. Our lattice calculations employ $N_f = 2 + 1$ flavours of dynamical fermions at the SU(3) symmetric point across three lattice spacings. We determine a central, spin-independent confining force, as well as spin-dependent force distributions with local forces larger than the QCD string tension. These distributions offer a new, complimentary picture that underlies the Sivers asymmetry in transversely polarised deep-inelastic scattering.
An Extension of the Cartan-Nochka Second Main Theorem for Hypersurfaces
Creators: name: Dethloff, Gerd
name: Van Tan, Tran
name: Thai, Do Duc
Publisher: name: arXiv
Year: 2009
Subjects: subject: Complex Variables (math.CV)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 32H30, 14J70

description: In 1983, Nochka proved a conjecture of Cartan on defects of holomorphic curves in CP^n relative to a possibly degenerate set of hyperplanes. In this paper, we generalize the Nochka's theorem to the case of curves in a complex projective variety intersecting hypersurfaces in subgeneral position.
LISA Pathfinder molla la presa
Creators: Marco Malaspina
Publisher: name: Media Inaf
Year: 2016

Le sedici dita meccaniche che fermavano – una per ogni spigolo – le due masse di test della sonda ESA per le onde gravitazionali si sono aperte oggi con successo. Un’operazione cruciale, che non era possibile provare a Terra. Il rilascio completo avverrà a metà febbraio
On the Fermionic Frequencies of Circular Strings
Creators: name: Mikhaylov, Victor
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We revisit the semiclassical computation of the fluctuation spectrum around different circular string solutions in AdS_5xS^5 and AdS_4xCP^3, starting from the Green-Schwarz action. It has been known that the results for these frequencies obtained from the algebraic curve and from the worldsheet computations sometimes do not agree. In particular, different methods give different results for the half-integer shifts in the mode numbers of the frequencies. We find that these discrepancies can be removed if one carefully takes into account the transition matrices in the spin bundle over the target space.
description: 13 pages, 1 figure
Pictor A: getto con andata e ritorno
Creators: Valeria Guarnieri
Publisher: name: Media Inaf
Year: 2016

Il telescopio spaziale ha rilevato una gigantesca esplosione, estesa tre volte la Via Lattea, al centro della galassia distante 500 milioni di anni luce da noi. I risultati pubblicati su Monthly Notices of the Royal Astronomical Society
title: Ð Ð¿Ð¾ ÐºÐ°ÐºÐ¾Ð¼Ñ ÑÑÐµÐ±Ð½Ð¸ÐºÑ Ð²Ñ Ð¿ÑÐµÐ¿Ð¾Ð´Ð°ÑÑÐµ? Ð Ð²Ð¾Ð¿ÑÐ¾ÑÑ Ð¾ Ð¼ÐµÑÑÐµ ÑÑÐµÐ±Ð½Ð¸ÐºÐ° Ð² Ð¸Ð½Ð¾ÑÐ·ÑÑÐ½Ð¾Ð¼ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ð¸
title: What textbook do you teach from? On the place of textbooks in foreign language education
Creators: name: Ð¢Ð¾ÑÑÐµÐ·Ð¸Ð½, ÐÐ¸Ð½Ð´Ð°
Publisher: name: ÐÐÐÐÐ¢ÐÐ¥-ÐÐ ÐÐ¡Ð¡
Year: 2022
Subjects: Ð¸Ð½Ð¾ÑÑÑÐ°Ð½Ð½ÑÐµ ÑÐ·ÑÐºÐ¸
Ð¾Ð±ÑÑÐµÐ½Ð¸Ðµ

description: Ð Ð¾Ð±ÑÐ´ÐµÐ½Ð½Ð¾Ð¼ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ð¸ ÑÑÐµÐ±Ð½Ð¸Ðº â ÑÑÐ¾ ÑÐ¾Ñ Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½Ñ, ÐºÐ¾ÑÐ¾ÑÑÐ¹ Ð¿Ð¾Ð·Ð²Ð¾Ð»ÑÐµÑ Ð¿ÑÐµÐ¿Ð¾Ð´Ð°Ð²Ð°ÑÐµÐ»Ñ ÑÐ°Ð±Ð¾ÑÐ°ÑÑ Ð² Ð°ÑÐ´Ð¸ÑÐ¾ÑÐ½ÑÑ Ð·Ð°Ð½ÑÑÐ¸ÑÑ Ð¸Ð½Ð¾ÑÑÑÐ°Ð½Ð½Ð¾Ð³Ð¾ ÑÐ·ÑÐºÐ°. ÐÐ´Ð½Ð°ÐºÐ¾ ÑÑÐ¾ Ð½Ðµ ÑÐ¾Ð²ÑÐµÐ¼ ÑÐ°Ðº. ÐÐ° ÑÐ°Ð¼Ð¾Ð¼ Ð´ÐµÐ»Ðµ, ÑÑÐµÐ±Ð½Ð¸Ðº â ÑÑÐ¾ Ð³Ð¾ÑÐ°Ð·Ð´Ð¾ Ð±Ð¾Ð»ÑÑÐµ, ÑÐµÐ¼ Ð¿ÑÐ¾ÑÑÐ¾ ÐºÐ½Ð¸Ð³Ð°, ÑÐ¾Ð´ÐµÑÐ¶Ð°ÑÐ°Ñ Ð´Ð¸Ð´Ð°ÐºÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ñ. ÐÐ°Ð½Ð½Ð°Ñ ÑÑÐ°ÑÑÑ Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð¼ÐµÑÑÑ ÑÑÐµÐ±Ð½Ð¸ÐºÐ° Ð² Ð¸Ð½Ð¾ÑÐ·ÑÑÐ½Ð¾Ð¼ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ð¸.
title: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÐºÐ°ÑÐºÐ°Ð´Ð½Ð¾Ð³Ð¾ ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¾ÑÐ½Ð¾Ð²Ð½Ð¾Ð³Ð¾ Ð¸ Ð²ÑÐ¿Ð¾Ð¼Ð¾Ð³Ð°ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÐºÐ¾ÑÐµÐ»ÑÐ½ÑÑ
title: Ð¼Ð°Ð³Ð¸ÑÑÐµÑÑÐºÐ°Ñ Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ñ
titleType: Subtitle
Creators: name: Ð¨ÑÑÐ¸Ð½, Ð¡ÐµÑÐ³ÐµÐ¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: ÐÐ¾ÑÐµÐ»ÑÐ½Ð¾Ðµ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ
Ð¢ÐµÐ¿Ð»Ð¾ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÐºÐ°

description: Ð ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¾ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÐºÐ°ÑÐºÐ°Ð´Ð½Ð¾Ð³Ð¾ ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ ÐºÐ¾ÑÐµÐ»ÑÐ½Ð¾Ð³Ð¾ Ð¸ Ð½Ð°ÑÐ¾ÑÐ½Ð¾Ð³Ð¾ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ. ÐÐ»Ñ ÑÑÐ¾Ð³Ð¾ Ð±ÑÐ»Ð¸ Ð²Ð·ÑÑÑ Ð¸Ñ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸. ÐÐ° Ð¸Ñ Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð¸Ð¸ Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ñ Ð³ÑÐ°ÑÐ¸ÐºÐ¸ ÑÐ¾Ð²Ð¼ÐµÑÑÐ½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ Ð² ÐºÐ°ÑÐºÐ°Ð´Ðµ Ð¿ÑÐ¸ ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÑ Ð½Ð°Ð³ÑÑÐ·ÐºÐ°Ñ ÑÐµÑÐ¸. Ð¡Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½ Ð³ÑÐ°ÑÐ¸Ðº ÑÐµÐ¿Ð»Ð¾Ð²Ð¾Ð¹ Ð½Ð°Ð³ÑÑÐ·ÐºÐ¸. ÐÑÑÐ¸ÑÐ»ÐµÐ½Ñ Ð¸ Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð° Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»Ð¸ ÑÐ½ÐµÑÐ³Ð¾ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ Ð¿ÑÐ¸ ÑÐ°Ð±Ð¾ÑÐµ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð½Ð° ÑÑÐ¾Ñ Ð³ÑÐ°ÑÐ¸Ðº. Ð¡Ð´ÐµÐ»Ð°Ð½Ñ Ð²ÑÐ²Ð¾Ð´Ñ Ð¾ ÑÐµÐ»ÐµÑÐ¾Ð¾Ð±ÑÐ°Ð·Ð½Ð¾ÑÑÐ¸ Ð¸ Ð¾Ð±Ð»Ð°ÑÑÐ¸ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ ÐºÐ°ÑÐºÐ°Ð´Ð½Ð¾Ð³Ð¾ ÑÐµÐ³ÑÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ.
Gli anelli di Saturno non sono ciò che sembrano
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2016

Dalle analisi è emerso che la massa complessiva dell'anello B è inaspettatamente bassa, il che è sorprendente, perché alcune parti dell'anello B sono fino a 10 volte più opache rispetto al vicino anello A, ma allo stesso tempo l'anello B può avere una massa da due a tre volte inferiore all'anello A
Optical Faraday rotation studies of paramagnetic resonance in neodymium ethylsulfate
Creators: name: Rieckhoff, Klaus Ekkehard
Publisher: name: University of British Columbia
Year: 2011

description: Brief theoretical descriptions of the magneto-optical Faraday effect, the influence of paramagnetic resonance on the Faraday effect and the use of this effect for measurements of saturation spectra and spin-lattice relaxation times are presented. A detailed description of an apparatus and of experimental procedures is given, with the help of which the Faraday effect can be used to study paramagnetic resonance spectra and spin-lattice relaxation times at liquid helium temperatures. Measurements on concentrated neodymium ethylsulfate at liquid helium temperatures are reported. The paramagnetic resonance spectrum was resolved as a main triplet with an extensive hyperfine structure. The positions of the lines were found to be in agreement with a spin Hamiltonian derived earlier from conventional absorption spectra obtained at higher temperatures. The intensity distribution was found to become increasingly asymmetric with decreasing temperature below 4.2°K. This asymmetry is explained qualitatively for the main triplet in terms of existing theories. Measurements of saturation versus microwave power at constant magnetic field and bath temperature gave results not readily explainable in terms of existing theories. The existence of a spatial gradient in the spin-temperature was observed in the case of partial saturation of the resonance. Measurements on the spin-lattice relaxation time t gave the following results: t is independent of the magnetic field from 800 ∅ to 2600 ∅ at a temperature of 4.2°K, but strongly field-dependent at temperatures ≤ 2°K, indicating the importance of cross-relaxation processes at very low temperatures. Some experiments are suggested which may provide information necessary for the complete understanding of the complex processes involved in paramagnetic resonance phenomena at low temperatures.
title: ÐÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ½Ð¾Ðµ Ð¸Ð½Ð¶ÐµÐ½ÐµÑÐ½Ð¾Ðµ Ð±Ð»Ð°Ð³Ð¾ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð¾ ÐºÐ¾ÑÑÐµÐ´Ð¶Ð½Ð¾Ð³Ð¾ Ð¿Ð¾ÑÐµÐ»ÐºÐ° Ñ Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸ÐµÐ¼ ÑÐµÐºÑÐµÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ Ð·Ð¾Ð½Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ¸ÐºÐ°ÐµÐ², Ð£ÑÐ¼Ð°Ð½
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: ÐºÐ¾ÑÑÐµÐ´Ð¶
ÑÐµÐ»ÑÐµÑ
ÑÐµÐºÑÐµÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ Ð·Ð¾Ð½Ð°
Ð´Ð¾Ð¶Ð´ÐµÐ²Ð°Ñ ÐºÐ°Ð½Ð°Ð»Ð¸Ð·Ð°ÑÐ¸Ñ

description: Ð ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½ ÑÑÐ°ÑÑÐ¾Ðº Ð¾ÑÐ²ÐµÐ´ÐµÐ½Ð½ÑÐ¹ Ð¿Ð¾Ð´ ÐºÐ¾ÑÑÐµÐ´Ð¶Ð½ÑÐ¹ Ð¿Ð¾ÑÑÐ»Ð¾Ðº, ÑÐ°ÑÐ¿Ð¾Ð»Ð¾Ð¶ÐµÐ½Ð½ÑÐ¹ Ð² ÐÑÐ±Ð¾ÑÐ³ÑÐºÐ¾Ð¼ ÑÐ°Ð¹Ð¾Ð½Ðµ ÐÐµÐ½Ð¸Ð½Ð³ÑÐ°Ð´ÑÐºÐ¾Ð¹ Ð¾Ð±Ð»Ð°ÑÑÐ¸. Ð Ð¿ÑÐ¾ÐµÐºÑÐµ Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð¾Ð²Ð°Ð½ Ð³ÐµÐ½Ð¿Ð»Ð°Ð½ Ð¿Ð¾ Ð´Ð°Ð½Ð½Ð¾Ð¼Ñ ÑÐµÐ»ÑÐµÑÑ Ð¿Ð¾Ð´ Ð¼Ð°Ð»Ð¾ÑÑÐ°Ð¶Ð½ÑÑ Ð·Ð°ÑÑÑÐ¾Ð¹ÐºÑ Ð½Ð°ÑÐµÐ»ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿ÑÐ½ÐºÑÐ°, Ñ ÑÑÐµÑÐ¾Ð¼ Ð½Ð¾ÑÐ¼Ð°ÑÐ¸Ð²Ð½Ð¾Ð¹ Ð´Ð¾ÐºÑÐ¼ÐµÐ½ÑÐ°ÑÐ¸Ð¸. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½ Ð³ÐµÐ½ÐµÑÐ°Ð»ÑÐ½ÑÐ¹ Ð¿Ð»Ð°Ð½ Ð¾ÑÐ´ÐµÐ»ÑÐ½ÑÑ ÑÐ¾Ð¾ÑÑÐ¶ÐµÐ½Ð¸Ð¹ ÑÐ°ÐºÐ¸Ñ ÐºÐ°Ðº Ð°Ð´Ð¼Ð¸Ð½Ð¸ÑÑÑÐ°ÑÐ¸Ð²Ð½ÑÐ¹ ÑÐµÐ½ÑÑ Ð¸ ÑÐµÐºÑÐµÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ Ð·Ð¾Ð½Ð° ÐÑÐ´ÐµÐ»ÑÐ½Ð¾Ðµ Ð²Ð½Ð¸Ð¼Ð°Ð½Ð¸Ðµ ÑÐ´ÐµÐ»ÐµÐ½Ð¾ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ½Ð¾Ð¼Ñ Ð¾Ð·ÐµÐ»ÐµÐ½ÐµÐ½Ð¸Ñ ÑÐµÐºÑÐµÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ Ð·Ð¾Ð½Ñ.
Crematogaster cephalotes Smith
Creators: name: Feldhaar, Heike
name: Maschwitz, Ulrich
name: Fiala, Brigitte
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy

description: Crematogaster cephalotes Smith Crematogaster cephalotes (Smith, 1857) Type material examined Crematogaster cephalotes Borneo (Smith), (OXUM). Smith. Syntypes, 2 workers, Worker measurements: major worker (n=1) HL 0.8, HW 0.74, EL 0.15, SL 0.49, WL 0.75, MTW 0.44, LHT 0.42, DPW 0.23, DPPW 0.2, CI 0.92, SI 0.65, REL 0.19, PI 1.17, RLEG 0.56, LPS 0.09 (TL 2.8) Worker measurements: minor worker (n=1) HL 0.54, HW 0.52, EL 0.11, SL 0.37, WL 0.58, MTW 0.3, LHT 0.32, DPW 0.16, DPPW 0.14, CI 0.97, SI 0.70, REL 0.21, PI 1.16, RLEG 0.56, LPS 0.1 (TL 2.1) Description of worker Crematogaster cephalotes Smith Crematogaster cephalotes (Smith, 1857) Type material examined
description: Published as part of Heike Feldhaar, Ulrich Maschwitz & Brigitte Fiala, 2016, Taxonomic Revision of the Obligate Plant-Ants of the Genus Crematogaster Lund (Hymenoptera: Formicidae: Myrmicinae), Associated with Macaranga Thouars (Euphorbiaceae) on Borneo and the Malay Peninsula, pp. 651-681 in Sociobiology 63 (1) on page 681, DOI: 10.13102/sociobiology.v63i1.949, http://zenodo.org/record/269814
Fa freddo nel disco volante
Creators: Eleonora Ferroni
Publisher: name: Media Inaf
Year: 2016

Gli esperti hanno sfruttato una tecnica innovativa per le osservazioni delle zone esterne di un disco di formazione planetaria intorno a una giovane stella, trovando che i grani sono molto più di freddi del previsto: -266 gradi (pari a 7 Kelvin, ovvero appena 7 gradi sopra lo zero assoluto)
Usable Authentication in Virtual Reality: Exploring the Usability of PINs and Gestures
Creators: name: Riyadh, HTMA
name: Bhardwaj, Divyanshu
name: Dabrowski, Adrian
name: Krombholz, Katharina
Publisher: name: CISPA
Year: 2024

description: Virtual Reality (VR) is becoming increasingly popular with its ability to offer new forms of interaction, user interface, and immersion not only for recreation but also for work, therapy, arts, or education. These new spaces need to be safeguarded by authentication similar to conventional IT systems. However, porting conventional interfaces to VR has often been found to be less than optimal as it fails to fully embrace the technology's potential and potentially disrupt the immersive experience. This paper evaluates and compares the usability of two major authentication methods for VR: 2D Personal Identification Number (PIN) and gesture-based authentication - with 40 participants.
While prior research has shown promising results in authentication security, there is a lack of studies specifically on usability in VR. Our findings indicate that the type of authentication and the user's experience level affect usability, with gesture-based authentication having a higher usability score than a PIN and having faster authentication times. Hereby, users with less VR experience profited the most from a natural interaction mode for VR.
The results suggest that developers should rather choose a native interaction mode in VR than try to port a familiar conventional interaction such as number pads for PINs.
title: ÐÐ¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ñ Ð¿ÑÐ¸Ð±ÑÐ»Ð¸ Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ðµ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð´ÐµÐ±Ð¸ÑÐ¾ÑÑÐºÐ¾Ð¹ Ð·Ð°Ð´Ð¾Ð»Ð¶ÐµÐ½Ð½Ð¾ÑÑÑÑ (Ð½Ð° Ð¿ÑÐ¸Ð¼ÐµÑÐµ ÐÐÐ Â«Ð§ÐÐÂ»)
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ°ÑÐ¸Ð»ÑÐµÐ²Ð°, Ð¡ÑÑÐ»Ð»Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: Ð´ÐµÐ±Ð¸ÑÐ¾ÑÑÐºÐ°Ñ Ð·Ð°Ð´Ð¾Ð»Ð¶ÐµÐ½Ð½Ð¾ÑÑÑ
Ð¾Ð¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ñ Ð¿ÑÐ¸Ð±ÑÐ»Ð¸
ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾-Ñ Ð¾Ð·ÑÐ¹ÑÑÐ²ÐµÐ½Ð½Ð°Ñ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÑ
ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²ÑÐµ ÑÐµÑÑÑÑÑ

description: Ð¦ÐµÐ»ÑÑ Ð´Ð°Ð½Ð½Ð¾Ð¹ Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ ÑÐ²Ð»ÑÐµÑÑÑ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ° Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ð¹ Ð¸ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¸Ð¹ Ð¿Ð¾ Ð¾Ð¿ÑÐ¸Ð¼Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¿ÑÐ¸Ð±ÑÐ»Ð¸ Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ðµ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ Ð´ÐµÐ±Ð¸ÑÐ¾ÑÑÐºÐ¾Ð¹ Ð·Ð°Ð´Ð¾Ð»Ð¶ÐµÐ½Ð½Ð¾ÑÑÐ¸ Ð½Ð° Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ð¸. ÐÐ±ÑÐµÐºÑÐ¾Ð¼ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ²Ð»ÑÐµÑÑÑ ÐÐÐ Â«Ð§ÐÐÂ». ÐÑÐµÐ´Ð¼ÐµÑ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ - ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾-ÑÐ¾Ð·ÑÐ¹ÑÑÐ²ÐµÐ½Ð½Ð°Ñ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÑ ÐÐÐ Â«Ð§ÐÐÂ» Ð¸ Ð¾ ÑÐ¾Ð²ÐµÑÑÐµÐ½ÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²ÑÐ¼Ð¸ ÑÐµÑÑÑÑÐ°Ð¼Ð¸ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð·Ð° 2013-2015 Ð³Ð³. Ð¢ÐµÐ¾ÑÐµÑÐ¸ÑÐµÑÐºÐ¾Ð¹ Ð¸ Ð¼ÐµÑÐ¾Ð´Ð¸ÑÐµÑÐºÐ¾Ð¹ Ð¾ÑÐ½Ð¾Ð²Ð¾Ð¹ Ð½Ð°ÑÑÐ½ÑÑ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ð¹ ÑÐ²Ð¸Ð»Ð°ÑÑ Ð¾Ð±ÑÐµÐ½Ð°ÑÑÐ½Ð°Ñ Ð¼ÐµÑÐ¾Ð´Ð¾Ð»Ð¾Ð³Ð¸Ñ, Ð¿ÑÐµÐ´ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÑÑÐ°Ñ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ½ÑÐ¹ Ð¸ ÑÐ¸ÑÑÐµÐ¼Ð½ÑÐ¹ Ð¿Ð¾Ð´ÑÐ¾Ð´Ñ Ðº ÑÐµÑÐµÐ½Ð¸Ñ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ, Ð° ÑÐ°ÐºÐ¶Ðµ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ðµ ÑÐ°ÐºÐ¸Ñ Ð¼ÐµÑÐ¾Ð´Ð¾Ð² Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ, ÐºÐ°Ðº Ð¸ÑÑÐ¾ÑÐ¸ÑÐµÑÐºÐ¸Ð¹, ÑÑÐ°ÑÐ¸ÑÑÐ¸ÐºÐ¾-ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¸Ð¹, Ð¼Ð¾Ð½Ð¾Ð³ÑÐ°ÑÐ¸ÑÐµÑÐºÐ¸Ð¹, Ð°Ð±ÑÑÑÐ°ÐºÑÐ½Ð¾-Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð¸ Ð¼ÐµÑÐ¾Ð´Ñ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÐºÐ¾-Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð½ÑÐ¹ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ð¹, Ð½Ð°Ð¿ÑÐ°Ð²Ð»ÐµÐ½ Ð½Ð° ÑÐ»ÑÑÑÐµÐ½Ð¸Ðµ ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾Ð³Ð¾ ÑÐ¾ÑÑÐ¾ÑÐ½Ð¸Ñ ÐÐÐ Â«Ð§ÐÐÂ», ÑÐ°ÐºÐ¶Ðµ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÑÐ°ÑÑÐµÑ ÑÐºÐ¾Ð½Ð¾Ð¼Ð¸ÑÐµÑÐºÐ¾Ð¹ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ Ð¿ÑÐµÐ´Ð»Ð°Ð³Ð°ÐµÐ¼ÑÑ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ð¹.
mRNA display reveals a class of high-affinity bromodomain-binding motifs that are not found in the human proteome.
Creators: name: Low, Jason KK
name: Patel, Karishma
name: Jones, Natasha
name: Solomon, Paul
name: Norman, Alexander
name: Maxwell, Joshua WC
name: Pachl, Petr
name: Matthews, Jacqueline M
name: Payne, Richard J
name: Passioura, Toby
name: Suga, Hiroaki
name: Walport, Louise J
name: Mackay, Joel P
Publisher: name: The Francis Crick Institute
Year: 2023
Subjects: classificationCode: Chemical Biology & High Throughput
subject: Chemical Biology & High Throughput
classificationCode: Gene Expression
subject: Gene Expression
classificationCode: Immunology
subject: Immunology
subject: FOS: Clinical medicine
classificationCode: Biochemistry & Proteomics
subject: Biochemistry & Proteomics
classificationCode: Structural Biology & Biophysics
subject: Structural Biology & Biophysics
classificationCode: Cell Biology
subject: Cell Biology

description: Bromodomains regulate gene expression by recognizing protein motifs containing acetyllysine. Although originally characterized as histone-binding proteins, it has since become clear that these domains interact with other acetylated proteins, perhaps most prominently transcription factors. The likely transient nature and low stoichiometry of such modifications, however, has made it challenging to fully define the interactome of any given bromodomain. To begin to address this knowledge gap in an unbiased manner, we carried out mRNA display screens against a bromodomain - the N-terminal bromodomain of BRD3 - using peptide libraries that contained either one or two acetyllysine residues. We discovered peptides with very strong consensus sequences and with affinities that are significantly higher than typical bromodomain-peptide interactions. X-ray crystal structures also revealed modes of binding that have not been seen with natural ligands. Intriguingly, however, our sequences are not found in the human proteome, perhaps suggesting that strong binders to bromodomains might have been selected against during evolution.
Detecting relic gravitational waves in the CMB: Optimal parameters and their constraints
Creators: name: Zhao, W.
name: Baskaran, D.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The prospect of detecting relic gravitational waves (RGWs), through their imprint in the cosmic microwave background radiation, provides an excellent opportunity to study the very early Universe. In simplest viable theoretical models the RGW background is characterized by two parameters, the tensor-to-scalar ratio $r$ and the tensor spectral index $n_t$. In this paper, we analyze the potential joint constraints on these two parameters, $r$ and $n_t$, using the data from the upcoming cosmic microwave background radiation experiments. Introducing the notion of the best pivot multipole $\ell_t^*$, we find that at this pivot multipole the parameters $r$ and $n_t$ are uncorrelated, and have the smallest variances. We derive the analytical formulae for the best pivot multipole number $\ell_t^*$, and the variances of the parameters $r$ and $n_t$. We verify these analytical calculations using numerical simulation methods, and find agreement to within 20%. The analytical results provides a simple way to estimate the detection ability for the relic gravitational waves by the future observations of the cosmic microwave background radiation.
description: 32 pages, 5 figures, Phys.Rev.D accepted
title: Ð¢exÐ½oÐ»oÐ³Ð¸ÑecÐºÐ¸Ð¹ Ð¿poÑecc Ð¸Ð·Ð³oÑoÐ²Ð»eÐ½Ð¸Ñ Ð´eÑaÐ»Ð¸ Â«ÐaÐ»Ð¸ÐºÂ»
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
Creators: name: ÐoÐ·aÐºoÐ²Ð¸Ñ, ÐÑÑÐµÐ¼
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: ÑexÐ½oÐ»oÐ³Ð¸Ñ Ð¼aÑÐ¸Ð½oÑÑÑoeÐ½Ð¸Ñ
ÑÐ¸Ð¿ Ð¿ÑoÐ¸Ð·Ð²oÐ´ÑÑÐ²a
ÑoÑÐ½oÑÑÑ ÑaÐ·Ð¼eÑoÐ²
ÑeÑoxoÐ²aÑoÑÑÑ Ð¿oÐ²eÑxÐ½oÑÑÐ¸

description: Ð¢eÐ¼oÐ¹ Ð±aÐºaÐ»aÐ²ÑÑÐºoÐ¹ ÑaÐ±oÑÑ ÑÐ²Ð»ÑeÑÑÑ Ð¿ÑoeÐºÑÐ¸ÑoÐ²aÐ½Ð¸e ÑexÐ½oÐ»oÐ³Ð¸Ð¸ Ð¸Ð·Ð³oÑoÐ²Ð»eÐ½Ð¸Ñ Ð´eÑaÐ»Ð¸ Â«ÐaÐ»Ð¸ÐºÂ». ÐÐ»Ñ Ð´aÐ½Ð½oÐ¹ Ð´eÑaÐ»Ð¸ Ð±ÑÐ» ÑaÑÑÐ¸ÑaÐ½ ÑeÐ¶ÑÑÐ¸Ð¹ Ð¸Ð½ÑÑÑÑÐ¼eÐ½Ñ Ð¸ Ð±ÑÐ» Ð¿ÑoÐ²eÐ´eÐ½ ÑaÑÑÑÑ aÐ²ÑoÐ¼aÑÐ¸Ð·aÑÐ¸Ð¸ Ð¿ÑoÐ¸Ð·Ð²oÐ´ÑÑÐ²a Ð¿oÐ´ Ð¸Ð·Ð´eÐ»Ð¸e.
ÐÐ¸Ð¿Ð»oÐ¼Ð½ÑÐ¹ Ð¿ÑoeÐºÑ Ð²ÐºÐ»ÑÑaeÑ Ð² ÑeÐ±Ñ: 51 ÑÑÑaÐ½Ð¸ÑÑ; 17 ÑaÐ±Ð»Ð¸Ñ; 10 ÑÐ¸ÑÑÐ½ÐºoÐ²; 12 Ð»Ð¸ÑeÑaÑÑÑÐ½Ñx Ð¸ÑÑoÑÐ½Ð¸ÐºoÐ²; Ð¼aÑÑÑÑÑÐ½aÑ ÐºaÑÑa, Ð¾Ð¿eÑaÑÐ¸oÐ½Ð½aÑ ÐºaÑÑa, ÐºaÑÑa ÑÑÐºÐ¸Ð·Ð¾Ð², ÑÐµÑÑÐµÐ¶ ÑÐµÐ¶ÑÑÐµÐ³Ð¾ Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½ÑÐ°, ÑÐµÑÑÐµÐ¶ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¾Ð²ÐºÐ¸ Ð·Ð°Ð³ÑÑÐ·Ð¾ÑÐ½Ð¾Ð³Ð¾ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°, ÑÐ¿ÐµÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¸Ñ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¾Ð²ÐºÐ¸.
Efficient, High Accuracy ADER-WENO Schemes for Hydrodynamics and Divergence-Free Magnetohydrodynamics
Creators: name: Balsara, Dinshaw S.
name: Rumpf, Tobias
name: Dumbser, Michael
name: Munz, Claus-Dieter
Publisher: name: arXiv
Year: 2008
Subjects: subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: The present paper introduces a class of finite volume schemes of increasing order of accuracy in space and time for hyperbolic systems that are in conservation form. This paper specifically focuses on Euler system that is used for modeling the flow of neutral fluids and the divergence-free, ideal magnetohydrodynamics (MHD) system that is used for large scale modeling of ionized plasmas. Efficient techniques for weighted essentially non-oscillatory (WENO) interpolation have been developed for finite volume reconstruction on structured meshes. We also present a new formulation of the ADER (for Arbitrary Derivative Riemann Problem) schemes that relies on a local continuous space-time Galerkin formulation instead of the usual Cauchy-Kovalewski procedure. The schemes reported here have all been implemented in the RIEMANN framework for computational astrophysics. We demonstrate that the ADER-WENO meet their design accuracies. Several stringent test problems of Euler flows and MHD flows are presented in one, two and three dimensions. Many of our test problems involve near infinite shocks in multiple dimensions and the higher order schemes are shown to perform very robustly and accurately under all conditions.