cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Neural network reconstruction of density and velocity fields from the 2MASS Redshift Survey
Creators: name: Lilow, Robert
name: Veena, Punyakoti Ganeshaiah
name: Nusser, Adi
Publisher: name: arXiv
Year: 2024
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We reconstruct the 3D matter density and peculiar velocity fields in the local Universe up to a distance of 200$\,h^{-1}\,$Mpc from the Two-Micron All-Sky Redshift Survey (2MRS), using a neural network (NN). We employed an NN with a U-net autoencoder architecture and a weighted mean squared error loss function trained separately to output either the density or velocity field for a given input grid of galaxy number counts. The NN was trained on mocks derived from the Quijote N-body simulations, incorporating redshift-space distortions (RSDs), galaxy bias, and selection effects closely mimicking the characteristics of 2MRS. The trained NN was benchmarked against a standard Wiener filter (WF) on a validation set of mocks before applying it to 2MRS. The NN reconstructions effectively approximate the mean posterior estimate of the true density and velocity fields conditioned on the observations. They consistently outperform the WF in terms of reconstruction accuracy and effectively capture the nonlinear relation between velocity and density. The NN-reconstructed bulk flow of the total survey volume exhibits a significant correlation with the true mock bulk flow, demonstrating that the NN is sensitive to information on super-survey scales encoded in the RSDs. When applied to 2MRS, the NN successfully recovers the main known clusters, some of which are partially in the Zone of Avoidance. The reconstructed bulk flows in spheres of different radii less than 100$\,h^{-1}\,$Mpc are in good agreement with a previous 2MRS analysis that required an additional external bulk flow component inferred from directly observed peculiar velocities. The NN-reconstructed peculiar velocity of the Local Group closely matches the observed Cosmic Microwave Background dipole in amplitude and Galactic latitude, and only deviates by 18${}^\circ$ in longitude. The NN-reconstructed fields are publicly available.
description: 16 pages, 9 figures, 2 tables. Reconstructed fields available at https://github.com/rlilow/2MRS-NeuralNet . Changes in v2: added and updated references, slightly extended explanations and discussions in sections 3 and 6.2, minor language editing to follow A&A style. v2 matches A&A publication
Coexistence of Supercondcutivity and Magnetism in LaFeAs(O0.94F0.06) Probed by Muon Spin Relaxation
Creators: name: Takeshita, S.
name: Kadono, R.
name: Hiraishi, M.
name: Miyazaki, M.
name: Koda, A.
name: Kamihara, Y.
name: Hosono, H.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Recent discovery of oxypnictide superconductor LaFeAs(O,F) (LFAO-F) with the critical temperature (Tc) of 26 K and succeeding revelation of much increased Tc upon substitution of La for other rare earth elements (such as Sm, leading to ~43 K) and application of pressure for LFAO-F (~ 43 K) has triggered broad interest in the mechanism yielding relatively high Tc in this new class of compounds. While they share a feature with high-Tc cuprates that superconductivity occurs upon carrier doping to pristine compound which exhibits magnetism, they also resemble the heavy-fermion compounds in the sense that superconductivity appears in the vicinity of magnetic phase. Investigation of electronic states near the boundary between these two phases might provide some useful information on the mechanism of superconductivity, as it has been proved to be the case in many exotic superconductors. Here we show by muon experiment in the LFAO-F compound that a macroscopic phase separation into superconducting and spin glass-like magnetic phases occurs at x=0.06 that is near the phase boundary, where both the magnetism and superconductivity develop simultaneously below a common Tc ~ 18 K. This accordance strongly suggests intimate relationship between magnetism and superconductivity typically found in heavy-fermion systems near the quantum critical point.
description: 11 pages, 2 figures, 2 tables
Vector-type four-quark interaction and its impact on QCD phase structure
Creators: name: Sakai, Yuji
name: Kashiwa, Kouji
name: Kouno, Hiroaki
name: Matsuzaki, Masayuki
name: Yahiro, Masanobu
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Theory (hep-th)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Effects of the vector-type four-quark interaction on QCD phase structure are investigated in the imaginary chemical potential region, by using the Polyakov-loop extended Nambu-Jona-Lasinio (PNJL) model with the extended Z3 symmetry. In the course to this end, we clarify analytically the Roberge-Weiss periodicity and symmetry properties of various quantities under the existence of a vector-type four-quark interaction. In the imaginary chemical potential region, the chiral condensate and the quark number density are sensitive to the strength of the interaction. Based on this result, we propose a possibility to determine the strength of the vector-type interaction, which largely affects QCD phase structure in the real chemical potential region, by comparing the results of lattice simulations and effective model calculations in the imaginary chemical potential region.
description: 8 pages, 11 figures
Auf Blaubarts Spur
Creators: name: Ballhausen, Thomas
name: Krenn, Günter
Publisher: name: Medienimpulse
Year: 2013

description: Im Jahr 1942 diskutiert Orson Welles mit Charlie Chaplin die Möglichkeit eines dokumentarischen Streifens über den aus der Kriminalhistorie bekannten Frauenmörder Landru. Chaplin kauft die Idee für fünftausend Dollar und setzt sie 1947 in einem Leinwandwerk um, dessen working title A COMEDY OF MURDERS lautet.
description: Medienimpulse, Bd. 50 Nr. 4 (2012): 4/2012 - Soziale und Mediale Räume
An analysis of techniques to preserve agricultural land
Creators: name: Roy, Denis A.
Publisher: name: University of British Columbia
Year: 2010

description: Competition for alternative uses of agricultural land has increased considerably over the past 20 years. This competition has created demand for public action of some kind. The appropriate government intervention necessary for the preservation of agricultural land varies between communities due to their different needs and desires to control the growth process. In this regard, the thesis analyzes and compares various techniques which are being used to maintain agricultural land. Methods using the concept of regulation to preserve agricultural land are examined in Section II. Section III studies methods utilizing the concept of compensation. Section IV compares the California Land Conservation Act which utilizes compensation and the British Columbia Agricultural Land Commission Act which relies on land regulations. The British Columbia Act was found to be more efficient in the preservation of agricultural land than its California counterpart, a difference due mainly to the mandatory structure of the B.C. Act as opposed to the voluntary nature of the California Act as well as to the different procedures used to implement the Acts. Comparison of the methods analyzed in the study and recommendations for improving the efficiency of the B.C. Act are presented in the Conclusions.
Kommunikation und Lernen in partizipativen kulturellen und medialen Räumen
Creators: name: Zobl, Elke
Publisher: name: Medienimpulse
Year: 2013

description: Eine der interessantesten Transformationen in der Jugendkultur seit den 1990er-Jahren ist die steigende Zahl vor allem an Mädchen und jungen Frauen, die zu aktiven kulturellen Produzentinnen wurden. In diesem Artikel wird argumentiert, dass sie mit ihren eigenen kulturellen Produktionen und Netzwerken neue soziale und mediale Räume öffnen, die durch eine partizipative Kultur, selbst-organisiertes Lernen in informellen Kontexten und lokale, transnationale und virtuelle Vernetzung und Kommunikation geprägt sind. Ziel dieses Artikels ist es, das Kommunizieren und Lernen in partizipativen kulturellen (bzw. sozialen) und medialen Räumen am Beispiel queer-feministischer Festivals – sogenannter „Ladyfeste“ – darzustellen und ihre Bedeutung in (medien-)pädagogischen Kontexten zu diskutieren.
description: Medienimpulse, Bd. 50 Nr. 4 (2012): 4/2012 - Soziale und Mediale Räume
Measurement-Based Quantum Computation
Creators: name: Wei, Tzu-Chieh
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Measurement-based quantum computation is a framework of quantum computation, where entanglement is used as a resource and local measurements on qubits are used to drive the computation. It originates from the one-way quantum computer of Raussendorf and Briegel, who introduced the so-called cluster state as the underlying entangled resource state and showed that any quantum circuit could be executed by performing only local measurement on individual qubits. The randomness in the measurement outcomes can be dealt with by adapting future measurement axes so that computation is deterministic. Subsequent works have expanded the discussions of the measurement-based quantum computation to various subjects, including the quantification of entanglement for such a measurement-based scheme, the search for other resource states beyond cluster states and computational phases of matter. In addition, the measurement-based framework also provides useful connections to the emergence of time ordering, computational complexity and classical spin models, blind quantum computation, etc. and has given an alternative, resource-efficient approach to implement the original linear-optic quantum computation of Knill, Laflamme and Milburn. Cluster states and a few other resource states have been created experimentally in various physical systems and the measurement-based approach offers a potential alternative to the standard circuit approach to realize a practical quantum computer.
description: 34 pages, 13 figures, article for Oxford Research Encyclopedia of Physics, March 2021
title: Black and Brown Centered Placemaking Rooted in Identity and Ownership
Creators: name: Walden, Ebony
Publisher: name: Richmond Racial Equity Essays
Year: 2021

description: This is essay number 1 from the book Richmond Racial Equity Essays, edited by Ebony Walden and Meghan Z. Gough. It appears on pages 3-6 of the book in the section "Planning for Inclusive Communities." The author outlines ideas for advancing racial equity in Richmond through creating neighborhoods and communities rooted in Black and Brown cultural identity, while supporting Black and Brown ownership and entrepreneurship.
Matrix Model For Polyakov Loops, String Field Theory In The Temporal Gauge, Winding String Condensation In Anti-de Sitter Space And Field Theory Of D-branes
Creators: name: Furuuchi, Kazuyuki
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Closed string field theory is constructed by stochastically quantizing a matrix model for Polyakov loops that describes phases of a large N gauge theory at finite temperature. Coherent states in this string field theory describes winding string condensation which has been expected to cause a topology change from thermal AdS geometry to AdS-Schwarzschild black hole geometry. D-branes in this closed string field theory is also discussed. Slightly extended version of a talk given at CosPA 2007, Nov.13-15, Taipei, Taiwan.
description: Slightly extended version of a talk given at CosPA 2007, Nov.13-15, Taipei, Taiwan; 14 pages
Courtship patterns in the information age.
Creators: name: Swertz, Christian
Publisher: name: Medienimpulse
Year: 2013

description: In diesem Aufsatz werden Medien als Gegenstände, die von Menschen als Zeichen verwendet werden, verstanden. Vor diesem Hintergrund wird argumentiert, dass das menschliche Beziehungsverhalten sich bei Verwendung von Computertechnologie als dominantem Medium verändert. Die These ist, dass unverbindlicheres und zugleich reflektierteres Verhalten bedeutender wird.
description: Medienimpulse, Bd. 50 Nr. 4 (2012): 4/2012 - Soziale und Mediale Räume
Visual Design Intuition: Supplementary Materials from Visual design intuition: predicting dynamic properties of beams from raw cross-section images
Creators: name: Wyder, Philippe M.
name: Lipson, Hod
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: 90301 Biomaterials
subject: FOS: Medical engineering
subject: 30402 Biomolecular Modelling and Design
subject: FOS: Chemical sciences

description: The Visual Design Intuition: Supplementary Materials file contains Appendix A through Appendix I. The appendix covers the following sections: Neural network architectures, polygon generation algorithm, roots for analytical eigenfrequency calculation, the effect of input image resolution on prediction accuracy, dataset vs. label performance table, training graphs, datasets, data generation, and COMSOL Multiphysics data analysis scripts.
Mickey Mouse läßt grüßen: Olympus LS-5.
Creators: name: Berger, Christian
Publisher: name: Medienimpulse
Year: 2013

description: Dieser Beitrag ist ein Testbericht des Audiorecorders Olympus LS-5.
description: Medienimpulse, Bd. 50 Nr. 4 (2012): 4/2012 - Soziale und Mediale Räume
Ectoedemia (Zimmermannia) monemvasiae Van Nieukerken 1985
Creators: name: van Nieukerken, Erik
name: Laštůvka, Aleš
name: Laštůvka, Zdeněk
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Nepticulidae
Ectoedemia
Ectoedemia monemvasiae

description: Ectoedemia (Zimmermannia) monemvasiae Van Nieukerken Biology. Hostplants: not reared, most likely feeding on evergreen Quercus. Adults fly from 15 June to 22 September. Distribution. Here recorded new for Crete. Remarks. In the female genitalia of two specimens (EJvN3106, Tahir Geçidi and EJvN3121, Kirki), some small spines were noted in the ductus bursae, also the setae were not pectinate as in the original specimens. Since not many female genitalia have been thoroughly compared we are not certain whether this is due to variation, or that these represent another unknown species or may be the unknown female of E. vivesi. Material. Greece, Crete: 1♁, 2♀, Irakleio, Mt. Ida, Astiraki [on], 500 m, 23.VII.1984, li, G. Baldizzone (GB, RMNH). Greece, mainland: 1♁, Evro, Kavisos, 100 m, 22–23.VIII.1985, A. Moberg (NHRS); 1♀, Evro, 35 km N Alexandropolis, Kirki, 500 m, M. Fibiger, 20–21.VIII.1985 (ZMUC); 1♁, Evro, Alexandropolis, Kirki, 24.VII.1985, P. Grotenfelt (MZH); 10♁, Ioannina, Pindos Konitsa, Pades, 06.VII.1981, P. Grotenfelt (MZH, RMNH); 3♁, 1♀, Lakonia, Apidia, 15. VI.1997, A. & Z. Laštůvka (AL); 1♁, Messinía, Kardamili, 20. VI.1996, A. & Z. Laštůvka (AL); 3♁, Pieria, Leptokaria, 25. VI.1996, A. & Z. Laštůvka (AL); 1♁, Serres, Strimon, Delta, asl, 16.VIII.1985, A. Moberg (NHRS). Turkey: 1♁, Kayseri, SW. Erciyes Dagi, 1500 m, 25.VII.1996, K.E. Stovgaard (ZMUC); 1♀, Agri, Tahir Geçidi, 2400 m, 18.IX.1985, G. Derra (GD).
description: Published as part of van Nieukerken, Erik, Laštůvka, Aleš & Laštůvka, Zdeněk, 2010, Western Palaearctic Ectoedemia (Zimmermannia) Hering and Ectoedemia Busck s. str. (Lepidoptera: Nepticulidae): five new species and new data on distribution, hostplants and recognition, pp. 1-82 in ZooKeys 32 (32) on page 15, DOI: 10.3897/zookeys.32.282, http://zenodo.org/record/576594
Search for neutron - mirror neutron oscillations in a laboratory experiment with ultracold neutrons
Creators: name: Serebrov, A. P.
name: Aleksandrov, E. B.
name: Dovator, N. A.
name: Dmitriev, S. P.
name: Fomin, A. K.
name: Geltenbort, P.
name: Kharitonov, A. G.
name: Krasnoschekova, I. A.
name: Lasakov, M. S.
name: Murashkin, A. N.
name: Shmelev, G. E.
name: Varlamov, V. E.
name: Vassiljev, A. V.
name: Zherebtsov, O. M.
name: Zimmer, O.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Mirror matter is considered as a candidate for dark matter. In connection with this an experimental search for neutron - mirror neutron (nn') transitions has been carried out using storage of ultracold neutrons in a trap with different magnetic fields. As a result, a new limit for the neutron - mirror neutron oscillation time has been obtained, tau_osc >= 448 s (90% C.L.), assuming that there is no mirror magnetic field larger than 100 nT. Besides a first attempt to obtain some restriction for mirror magnetic field has been done.
description: 11 pages, more detailed analysis of data
Virtuelle Gemeinschaften in Online-Rollenspielen
Creators: name: Stingeder, Karl H.
Publisher: name: Medienimpulse
Year: 2013

description: Verlag: LIT Verlag Erscheinungsdatum: 29. Juli 2009 (1. Auflage) ISBN: 3643103018 Deutsch 176 Seiten
description: Medienimpulse, Bd. 50 Nr. 4 (2012): 4/2012 - Soziale und Mediale Räume
Online Worlds: Convergence of the Real and the Virtual
Creators: name: Stingeder, Karl H.
Publisher: name: Medienimpulse
Year: 2013

description: Verlag: Springer Erscheinungsdatum: 4. Februar 2010 (1. Auflage) ISBN: 1848828241 Englisch 328 Seiten "Online Worlds: Convergence of the Real and the Virtual" eröffnet einen breit gestreuten und hochinteresanten Einblick in Status Quo und mögliche Zukunfts­szenarien virtueller Welten und deren Bedeutung für Wissenschaft und das menschliche Zusammenleben.
description: Medienimpulse, Bd. 50 Nr. 4 (2012): 4/2012 - Soziale und Mediale Räume
Aging in human liver and skeletal muscle: studies on proteasomes
Creators: name: Martucci, Morena <1983>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2014
Subjects: MED/04 Patologia generale

description: Aging is a complex phenomenon that affects organs and tissues at a different rate. With advancing age, the skeletal muscle undergoes a progressive loss of mass and strength, a process known as sarcopenia that leads to a decreased mobility and increased risk of falls and invalidity. On the other side, another organ such as the liver that is endowed with a peculiar regenerative capacity seems to be only marginally affected by aging. Accordingly, clinical data indicate that liver transplantation from aged subjects has, in specific conditions, function and duration comparable to those achievable with grafts of liver from young donors. The molecular mechanisms involved in these peculiar aging patterns are still largely unknown, but it is conceivable that protein degradation machineries might play an important role, as they are responsible for the maintenance of cellular homeostasis. Indeed, it has been suggested that alteration of proteostasis may contribute to the onset and progression of several age-related pathological conditions, including skeletal muscle wasting and sarcopenia, as well as to the aging phenotypes.
The ubiquitin-proteasome system (UPS) is one of the most important cellular pathways for intracellular degradation of short-lived as well as damaged proteins. To date, studies on the age-related modifications of proteasomes in liver and skeletal muscle were performed prevalently in rodents, with controversial results, while only preliminary observations have been obtained in human liver and skeletal muscle. In this scenario, we want to investigate and characterize in humans the age-related modifications of proteasomes of these two different organs.
Search for Maximal Flavor Violating Scalars in Same-Charge Lepton Pairs in $p\bar{p}$ Collisions at $\sqrt{s} = 1.96$ TeV
Creators: name: The CDF Collaboration
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Models of Maximal Flavor Violation (MxFV) in elementary particle physics may contain at least one new scalar SU$(2)$ doublet field $Φ_{FV} = (η^0,η^+)$ that couples the first and third generation quarks ($q_1,q_3$) via a Lagrangian term $\mathcal{L}_{FV} = ξ_{13} Φ_{FV} q_1 q_3$. These models have a distinctive signature of same-charge top-quark pairs and evade flavor-changing limits from meson mixing measurements. Data corresponding to 2 fb$^{-1}$ collected by the CDF II detector in $p\bar{p}$ collisions at $\sqrt{s} = 1.96$ TeV are analyzed for evidence of the MxFV signature. For a neutral scalar $η^0$ with $m_{η^0} = 200$ GeV/$c^2$ and coupling $ξ_{13}=1$, $\sim$ 11 signal events are expected over a background of $2.1 \pm 1.8$ events. Three events are observed in the data, consistent with background expectations, and limits are set on the coupling $ξ_{13}$ for $m_{η^0} = 180-300$ GeV/$c^2$.
description: 4 pages, 3 figures
GPU accelerated RBF-FD solution of Poisson's equation
Creators: name: Jančič, Mitja
name: Slak, Jure
name: Kosec, Gregor
Publisher: name: arXiv
Year: 2021
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: The Radial Basis Function-generated finite differences became a popular variant of local meshless strong form methods due to its robustness regarding the position of nodes and its controllable order of accuracy. In this paper, we present a GPU accelerated numerical solution of Poisson's equation on scattered nodes in 2D for orders from 2 up to 6. We specifically study the effect of using different orders on GPU acceleration efficiency.
GINKO BILOBA OʻSIMLIGINING URUGʻIDAN UNIB CHIQISHI VA KOʻCHAT OLISH
Creators: name: Mamajonova, Mushtariy
Publisher: name: Zenodo
Year: 2025

description: Hozirgi kunda dunyo aholisining 50 foizi shaharlarda istiqomat qilib, bu koʻrsatkich 2050 yilga kelib 66% ga yetadi. Aholi sonining bu qadar tez oʻsishi, shaharlar infratuzilmasini yaxshilash va shahar muhitiga chidamli boʻlgan manzarali oʻsimliklardan foydalanishni taqazo etadi. BMT (Birlashgan millatlar tashkiloti) ning “Biologik xilma-xillik” toʻgʻrisidagi Konvensiyasi ma’lumotlariga koʻra, soʻnggi yillarda o’simliklarning 34000 turi yoʻqolib ketish xavfi ostida turibdi. Dunyoda turli ekologik muammolarning yuzaga kelishi, iqlim oʻzgarishi kabi global muammolar koʻkalamzorlashtirishda oʻsimliklarni tanlashda va atrof muhitga estetik koʻrinish namoyon qilishda bir qator qiyinchiliklar yaratmoqda. Ginkgo biloba oʻsimligi urug’laridan koʻchat yetishtirishda dastavval urugʻlarini unuvchanlik koʻrsatkichlarini aniqladik.
DEFROST: A New Code for Simulating Preheating after Inflation
Creators: name: Frolov, Andrei V.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: At the end of inflation, dynamical instability can rapidly deposit the energy of homogeneous cold inflaton into excitations of other fields. This process, known as preheating, is rather violent, inhomogeneous and non-linear, and has to be studied numerically. This paper presents a new code for simulating scalar field dynamics in expanding universe written for that purpose. Compared to available alternatives, it significantly improves both the speed and the accuracy of calculations, and is fully instrumented for 3D visualization. We reproduce previously published results on preheating in simple chaotic inflation models, and further investigate non-linear dynamics of the inflaton decay. Surprisingly, we find that the fields do not want to thermalize quite the way one would think. Instead of directly reaching equilibrium, the evolution appears to be stuck in a rather simple but quite inhomogeneous state. In particular, one-point distribution function of total energy density appears to be universal among various two-field preheating models, and is exceedingly well described by a lognormal distribution. It is tempting to attribute this state to scalar field turbulence.
description: RevTeX 4.0; 16 pages, 9 figures
title: Young female with herpes simplex encephalitis mimicking limbic encephalitis
Creators: name: Tuteja, Namrata
Publisher: name: EURORAD
Year: 2025
Subjects: subject: Neuroradiology
subject: CNS
subject: MR
subject: Clinical Case

description: Clinical History: A 40-year-old female patient presented with complaints of fever, altered sensorium and convulsions with a short history of 2 days. Her vitals were normal. She was further advised for an MRI brain non-contrast study for further evaluation.

description: 40 years, female
Charge state of the O$_{2}$ molecule during silicon oxidation through hybrid functional calculations
Creators: name: Alkauskas, Audrius
name: Broqvist, Peter
name: Pasquarello, Alfredo
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We study the charge state of the diffusing O$_2$ molecule during silicon oxidation through hybrid functional calculations. We calculate charge transition levels of O$_2$ in bulk SiO$_2$ and use theoretical band offsets to align these levels with respect to the Si band edges. To overcome the band-gap problem of semilocal density fuctionals, we employ hybrid functionals with both predefined and empirically adjusted mixing coefficients. We find that the charge transition level $ε^{0/-}$ in bulk SiO$_2$ occurs at $\sim$1.1 eV above the silicon conduction band edge, implying that the O$_2$ molecule diffuses through the oxide in the neutral charge state. While interfacial effects concur to lower the charge transition level, our estimates suggest that the neutral charge state persists until silicon oxidation.
description: 4 pages, 3 figures
Habitus – auch medialer Habitus – aus pädagogischer Perspektive
Creators: name: Meder, Norbert
Publisher: name: Medienimpulse
Year: 2014

description: Der Artikel stellt einen explizit bildungswissenschaftlichen Beitrag zu den Debatten über den "medialen Habitus" dar. Der Autor stellt dabei insbesondere die Frage nach dem "Wie" der "Inkorporierung" des Habitus in der frühkindlichen Phase des Menschen und erweitert dadurch allgemeiner gehaltene Diskussionen über die faktische und empirische Vorhandenheit des Habitus. Dabei betont der Artikel dass psychische Dispositionen und dauerhafte soziale Befindlichkeiten im Sinne eines Dispositivs konstitutiv für den Habitus sind und entwicklungspsychologisch fünf Phasen der Aneignung im Rahmen des kindlichen "Mitmachens" zu unterscheiden sind. So wird etwa der Umgang mit dem eigenen Leib und dem des anderen, mit der eigenen Haut und der Haut der anderen aus dem familiären Dispositiv in die eigene Disposition aufgenommen und konstituiert damit – aktiv und passiv – den Habitus. Der Beitrag betont nachdrücklich – und in Erweiterung und Intensivierung des Bourdieuschen Konzepts – die prozessuale Konstitution des (früh-)kindlichen Habitus und beschreibt diese stufenartig und sehr fokussiert, um so das Konzept und die Diskussion zur Medialität des Habitus zu intensivieren und zu bereichern. Damit wird auch die Genese des Habitus im Sinne subtiler (Sozialisations-)Bereiche herausgearbeitet, um genauer angeben zu können, wie sich im Rahmen der Familie und der Umwelt bestimmbare psychische und soziale Dispositionen konstituieren.
description: Medienimpulse, Bd. 51 Nr. 4 (2013): 4/2013 - Medialer Habitus
title: Expanding the Geography of Opportunity and Ownership
Creators: name: Pechin, Maritza E. Mercado
Publisher: name: Richmond Racial Equity Essays
Year: 2021

description: This is essay number 2 from the book Richmond Racial Equity Essays, edited by Ebony Walden and Meghan Z. Gough. It appears on pages 7-10 of the book in the section "Planning for Inclusive Communities." The author, a city planner, defines an equitable Richmond as a city where all Richmonders have equal or equivalent access to goods, services, status, rights, power, and amenities. She outlines four ideas to help Richmond expand physical and ownership access: rewriting the zoning ordinance; reconnecting the city; establishing programs that increase generational wealth; expanding engagement and education of city planning.
"Schummelzettel" von Lehrenden für Lehrende
Creators: name: Güttl-Strahlhofer, Angelika
name: Krisper-Ullyett, Lotte
Publisher: name: Medienimpulse
Year: 2013

description: Medienimpulse, Bd. 51 Nr. 4 (2013): 4/2013 - Medialer Habitus
SNAD catalogue of M-dwarf flares from the Zwicky Transient Facility
Creators: name: Voloshina, A. S.
name: Lavrukhina, A. D.
name: Pruzhinskaya, M. V.
name: Malanchev, K. L.
name: Ishida, E. E. O.
name: Krushinsky, V. V.
name: Aleo, P. D.
name: Gangler, E.
name: Kornilov, M. V.
name: Korolev, V. S.
name: Russeil, E.
name: Semenikhin, T. A.
name: Sreejith, S.
name: Volnova, A. A.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Most of the stars in the Universe are M spectral class dwarfs, which are known to be the source of bright and frequent stellar flares. In this paper, we propose new approaches to discover M-dwarf flares in ground-based photometric surveys. We employ two approaches: a modification of a traditional method of parametric fit search and a machine learning algorithm based on active anomaly detection. The algorithms are applied to Zwicky Transient Facility (ZTF) data release 8, which includes the data from the ZTF high-cadence survey, allowing us to reveal flares lasting from minutes to hours. We analyze over 35 million ZTF light curves and visually scrutinize 1168 candidates suggested by the algorithms to filter out artifacts, occultations of a star by an asteroid, and other types of known variable objects. The result of this analysis is the largest catalogue of ZTF flaring stars to date, representing 134 flares with amplitudes ranging from -0.2 to -4.6 magnitudes, including repeated flares. Using Pan-STARRS DR2 colors, we assign a spectral subclass to each object in the sample. For 13 flares with well-sampled light curves and available geometric distances from Gaia DR3, we estimate the bolometric energy. This research shows that the proposed methods combined with the ZTF's cadence strategy are suitable for identifying M-dwarf flares and other fast transients, allowing for the extraction of significant astrophysical information from their light curves.
description: 19 pages, 6 figures, 1 table, 1 appendix
Googles Augmented-Reality-Game "Ingress"
Creators: name: Stingeder, Karl H.
Publisher: name: Medienimpulse
Year: 2013

description: Das an das "Geocoaching"-Spielprinzip erinnernde Augmented-­Reality-Game "Ingress" ist auf allen mit Android-Betriebssystem ausgestatteten Smartphones spielbar. Das Alleinstellungsmerkmal des Spiels ist gleich­zeitig auch das beste Patent-Rezept für bzw. gegen notorisches "Couch-Potato-ing": Das Game-Design des "Draußenspiels" erfordert jedoch stets die physische Anwesenheit der SpielerInnen am realen Ort des Geschehens, meist touristisch attraktive Sehenswürdigkeiten und architektonisch markante Plätze. Sobald "Ingress" per App am Smart­phone gestartet wird, stehen Interaktionen und Machtverhältnisse auf dem Handy-Display im Dreh- und Angelpunkt des Geschehens. Die Spielgrafik ist auf das Wesentliche reduziert und erinnert an die Optik von Videospielen der 80er Jahre. "Ingress" im Allgemeinen sowie "Magnus13", die erste von Google organisierte Fan-Veranstaltung Österreichs mit mehreren Hundert TeilnehmerInnen und ist mit einer "digitalen Schnitzeljagd" vergleichbar: Gemeinsam ist der klassischen "Schnitzeljagd" und dem digitalen "Schere-Schein-Papier" Prinzip von "Ingress" die tragende Rolle des im Spiel entstehenden Gemeinschaftsgefühls, welche in einer hohen Langzeitmotivation mündet. Trotz aller Euphorie, ob des unkonventionellen Augmented-Reality-Spielkonzepts und des in Folge der sozialen Dynamik außergewöhnlichen Sucht­potentials, ist angesichts von Edward Snowden und vielfältiger NSA-Abhörmaßnahmen, eine gesunde Portion Skepsis angebracht: Welchen Zweck erfüllt "Ingress"? Gibt es ein verhülltes "Mittel zum Zweck"? Welche Gefahren bestehen mit einer systematischen Auswertung des umfangreichen, ortsrelevanten Daten-Sammelsuriums? "Ingress" verdeutlicht trotz aller Risiken den soziokulturellen Bedeutungswandel des digitalen Spiels: Spiele per se und das Spiel als soziale Interaktion sind aktuell dabei, alle Bereiche unseres Lebens zu erfassen.
description: Medienimpulse, Bd. 51 Nr. 4 (2013): 4/2013 - Medialer Habitus
Rezension: Julien Gracq: Aufzeichnungen aus dem Krieg
Creators: name: Kickinger, Katharina
Publisher: name: Medienimpulse
Year: 2013

description: Julien Gracqs schriftstellerisches und essayistisches Werk zählte in Frankreich bereits zu seinen Lebzeiten zu den Klassikern der Weltliteratur. Trotzdem lebte er weitgehend zurückgezogen und vermied das öffentliche Interesse an seiner Person. In seinem Nachlass wurden zwei Texte gefunden, die er über seine Kriegserlebnisse verfasst hatte. 2011 sorgte deren Publikation in Frankreich für Aufsehen, nun liegt die deutsche Übersetzung im Droschl Verlag vor. Die Schilderungen seiner Kriegserlebnisse stellen ein seltenes persönliches Zeugnis des Schriftstellers dar.
description: Medienimpulse, Bd. 51 Nr. 4 (2013): 4/2013 - Medialer Habitus
Dynamic entanglement in oscillating molecules and potential biological implications
Creators: name: Cai, Jianming
name: Popescu, Sandu
name: Briegel, Hans J.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We demonstrate that entanglement can persistently recur in an oscillating two-spin molecule that is coupled to a hot and noisy environment, in which no static entanglement can survive. The system represents a non-equilibrium quantum system which, driven through the oscillatory motion, is prevented from reaching its (separable) thermal equilibrium state. Environmental noise, together with the driven motion, plays a constructive role by periodically resetting the system, even though it will destroy entanglement as usual. As a building block, the present simple mechanism supports the perspective that entanglement can exist also in systems which are exposed to a hot environment and to high levels of de-coherence, which we expect e.g. for biological systems. Our results furthermore suggest that entanglement plays a role in the heat exchange between molecular machines and environment. Experimental simulation of our model with trapped ions is within reach of the current state-of-the-art quantum technologies.
description: Extended version, including supplementary information. 9 pages, 8 figures
title: Neighborhood Self-Determination and the Vision for Racial Equity
Creators: name: Smith, Michael H.
Publisher: name: Richmond Racial Equity Essays
Year: 2021

description: This is essay number 3 from the book Richmond Racial Equity Essays, edited by Ebony Walden and Meghan Z. Gough. It appears on pages 11-15 of the book in the section "Planning for Inclusive Communities." The author outlines his ideas of how values of the Black Baptist church can inform the development of racial equity in methods of engagement, decision-making, and economic investment in Richmond neighborhoods.These values are respect of elders, solidarity in the pursuit of joy, trust and love of one's neighbor, and determination for collective liberation.
The influence of industrial structure on female labour force participation in Canadian urban areas
Creators: name: Robinson, Pamela
Publisher: name: University of British Columbia
Year: 2010

description: An understanding of the factors influencing participation is important to planners both for manpower planning and related purposes and because of the implications for social and economic well-being. Although the participation rates of women, particularly married women, have risen dramatically in recent decades, wide regional differences remain^ Most studies of participation in Canada have focussed either on individual characteristics or on the response to unemployment conditions. This study argues that, because women's employment is highly concentrated in a few industries and occupations, the industrial composition of local labour markets is likely to be an important factor, inhibiting participation where few jobs are available. An attempt is made to measure this influence by including in a multiple regression analysis of 1971 Census data an index variable representing, for 101 Census Metropolitan Areas and Census Agglomerations, the extent to which industrial structure favours women's employment. This variable is expected to show a significant positive association with female participation rates; its inclusion is expected to increase the explanatory power of the model and to reduce the influence of the dummy variables reflecting 'independent' regional factors. The analysis, however, provides only limited support for these hypotheses. A consistent positive association is revealed, but, for most age and marital status groups, this is not statistically significant. Regional influences appear to be reflecting industrial structure factors only slightly and, in the case of Quebec, not at all. Factors which may account for this disappointing result are discussed, in particular, shortcomings in the proxies themselves and the prevalence of strong relationships among the independent variables. The hypothesised relationship appears to be one which is not readily reflected in a study of this type; some suggestions are therefore made for further research. Consideration is nevertheless given to alternative policy measures applicable to areas where industrial structure does appear to inhibit participation, the conclusion being that, unless accompanied by vigorous application of equal opportunity and "equal pay for work of equal value" measures, the encouragement of "female-intensive" industries would provide only a partial solution.
Bolometric Detection of Quantum Shot Noise in Coupled Mesoscopic Systems
Creators: name: Hashisaka, Masayuki
name: Yamauchi, Yoshiaki
name: Nakamura, Shuji
name: Kasai, Shinya
name: Ono, Teruo
name: Kobayashi, Kensuke
Publisher: name: arXiv
Year: 2008
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present a new scheme to detect the quantum shot noise in coupled mesoscopic systems. By applying the noise thermometry to the capacitively coupled quantum point contacts (QPCs) we prove that the noise temperature of one QPC is in perfect proportion to that of the other QPC which is driven to non-equilibrium to generate quantum shot noise. We also found an unexpected effect that the noise in the source QPC is remarkably suppressed possibly due to the cooling effect by the detector QPC.
description: 4 pages, 4 figures
Berry-dipole Semimetals
Creators: name: Zhuang, Zheng-Yang
name: Zhang, Chaoyi
name: Wang, Xiao-Jiao
name: Yan, Zhongbo
Publisher: name: arXiv
Year: 2024
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We introduce ''Berry-dipole semimetals'', whose band degeneracies are characterized by quantized Berry dipoles. Through a two-band model constructed by Hopf map, we reveal that the Berry-dipole semimetals display a multitude of salient properties distinct from other topological semimetals. On the boundary, we find that the first-order Berry-dipole semimetal harbors anomalous paired Fermi arcs with the same spin polarization, even though the layer Chern number is zero, and the second-order Berry-dipole semimetal hosts dispersionless hinge arcs. In the bulk, we find that the low-energy Berry-dipole Hamiltonian near the band node has a quadratic energy dispersion and peculiar Berry curvature, which give rise to rather unique characteristics in the intrinsic anomalous Hall effect, orbital magnetization and Landau levels. Our study shows that Berry-dipole semimetals are a class of topological gapless phases supporting rich intriguing physics.
description: 7+12 pages, 7 figures
TREX Targeting REal Accuracy at eXascale
Creators: name: Affinito, Fabio
Publisher: name: Zenodo
Year: 2021
Subjects: Quantum chemistry
Materials science
Quantum Monte Carlo methods
Exascale
High Performance Computing

description: In order to compete in the demanding rush in high-precision quantum chemical simulation methods, the TREX Center of Excellence (CoE) federates European scientists, High Performance Computing (HPC) stakeholders, and SMEs to develop and apply high-performance software solutions for quantum mechanical simulations at the exascale. The final goal of the project is to develop a set of flagship Quantum Monte Carlo codes, able to exploit the capabilities of the recent exascale computers at their highest. The next generation of supercomputers will be able to perform up to 1 Exaflop/s (1018 operations per second), running on parallel on tens of thousands of cores.
 The two first pre-Exascale systems, financed by the EuroHPC JU, LUMI in Finland and Leonardo in Italy will be installed at the end of 2021. Quantum Montecarlo methods can leverage this computational power thanks to the intrinsic parallelism of the QMC trajectories. The TREX Center of Excellence joins the forces and the expertise of the experts in the fields of quantum chemistry with the skills of computational scientists and HPC experts with the aim is to guide the evolution of the QMC codes in order to increase their efficiency.
A Practical Framework for Superconductivity Optimization: Charge Transport, Magnetic Field Stabilization, and Quantum Defect Control
Creators: name: Guillen, Roberto
Publisher: name: Zenodo
Year: 2025

description: This report presents a structured framework for optimizing superconducting stability through charge transport refinement, magnetic field synchronization, and quantum defect control. Based on extensive simulations and real-world constraints, this work refines phase stabilization techniques and introduces redundancy layers to enhance resilience against decoherence. The findings may provide valuable insights for researchers working on high-Tc superconductors, quantum computing, and advanced energy applications. While this is an evolving field, the methods proposed here offer a foundation for further experimental validation and refinement.
The vacuum bubbles in de Sitter background and black hole pair creation
Creators: name: Lee, Bum-Hoon
name: Lee, Wonwoo
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the possible types of the nucleation of vacuum bubbles. We classify vacuum bubbles in de Sitter background and present some numerical solutions. The thin-wall approximation is employed to obtain the nucleation rate and the radius of vacuum bubbles. With careful analysis we confirm that Parke's formula is also applicable to the large true vacuum bubbles. The nucleation of the false vacuum bubble in de Sitter background is also evaluated. The tunneling process in the potential with degenerate vacua is analyzed as the limiting cases of the large true vacuum bubble and false vacuum bubble. Next, we consider the pair creation of black holes in the background of bubble solutions. We obtain static bubble wall solutions of junction equation with black hole pair. The masses of created black holes are uniquely determined by the cosmological constant and surface tension on the wall. Finally, we obtain the rate of pair creation of black holes.
description: 3 figures, minor including errors and typos corrected, and refs. added
Socio - Economic Impact of Small - Scale Enterprises on Residence of Mubi Metropolis, Adamawa State, Nigeria
Creators: name: Abubakar B.
name: Saidu I.A.
Publisher: name: gjrpublication
Year: 2024

description: Small-scale enterprises provide employment and development. The aim of this study seeks to assess the socioeconomic impact of small-scale enterprises on residence of Mubi North local government area of Adamawa state. The objectives of this study seek to find the type of small scale enterprises found in the study area, to examine the adequacy of small-scale enterprises in the area, examine the factors affecting and examine the impact on the environment. Relevant literatures were reviewed for this study. Closed ended questionnaires were administered to 100 entrepreneurs and those working in small scale enterprises of the selected types which include pure water, tailoring, bakery, furniture making and block enterprises in which interviews were conducted with a view of obtaining additional information. Data generated were analyzed using descriptive statistics and presented in the form of frequencies and tables. Findings from the studies revealed that small- scale enterprises help in boosting socio-economic growth hence, help in reducing unemployment rate, poverty etc. The activities of small-scale enterprises also have some negative impact on the environment and the residence of Mubi. The study therefore recommends that, there should be an increase in the technological and equipment based enterprises, the use of modern machineries should be adopted so also Government should continue to provide direct subsidies to smallscale enterprises operators which will help them in accessing raw materials, granting of tax moratorium etc.
Fermi Surface and Band Renormalization in (Sr,K)Fe$_2$As$_2$ Superconductor from Angle-Resolved Photoemission Spectroscopy
Creators: name: Liu, Haiyun
name: Zhang, Wentao
name: Zhao, Lin
name: Jia, Xiaowen
name: Meng, Jianqiao
name: Liu, Guodong
name: Dong, Xiaoli
name: Chen, G. F.
name: Luo, J. L.
name: Wang, N. L.
name: Lu, Wei
name: Wang, Guiling
name: Zhou, Yong
name: Zhu, Yong
name: Wang, Xiaoyang
name: Zhao, Zhongxian
name: Xu, Zuyan
name: Chen, Chuangtian
name: Zhou, X. J.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: High resolution angle-resolved photoemission measurements have been carried out on (Sr,K)Fe$_2$As$_2$ superconductor (Tc=21 K). Three hole-like Fermi surface sheets are clearly resolved for the first time around the Gamma point. The overall electronic structure shows significant difference from the band structure calculations. Qualitative agreement between the measured and calculated band structure is realized by assuming a chemical potential shift of -0.2 eV. The obvious band renormalization suggests the importance of electron correlation in understanding the electronic structure of the Fe-based compounds.
description: 4 pages, 4 figures