cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Nearly conformal electroweak sector with chiral fermions
Creators: name: Fodor, Zoltan
name: Holland, Kieran
name: Kuti, Julius
name: Nogradi, Daniel
name: Schroeder, Chris
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: SU(3) gauge theory with dynamical overlap fermions in the 2-index symmetric (sextet) representation is considered. This model may be a viable model of the electroweak symmetry breaking sector along the lines of the walking technicolor paradigm. The number of fermion species is chosen such that the theory is expected to be below the conformal window. We will discuss how the epsilon-regime and random matrix theory can be used to test whether at any given set of parameters (N_c, N_f, representation) the theory is in the conformal phase or indeed just below it. Quenched Monte Carlo results are included in the fundamental representation and also preliminary dynamical ones in the 2-index symmetric representation.
description: 7 pages, 2 figures, talk presented at The XXVI International Symposium on Lattice Field Theory, July 14 - 19, 2008, Williamsburg, Virginia, USA
Zimmermannia Hering 1940
Creators: name: van Nieukerken, Erik
name: Laštůvka, Aleš
name: Laštůvka, Zdeněk
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Nepticulidae
Zimmermannia

description: subgenus Zimmermannia Hering, 1940 atrifrontella (Stainton, 1851) liebwerdella Zimmermann, 1940 longicaudella Klimesch, 1953 hispanica Van Nieukerken, 1985 vivesi A. Laštůvka, Z. Laštůvka & Van Nieukerken sp. n. monemvasiae Van Nieukerken, 1985 amani Svensson, 1966 liguricella Klimesch, 1953 reichli Z. & A. Laštůvka, 1998
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 5, DOI: 10.3897/zookeys.32.282, http://zenodo.org/record/576594
description: {"references": ["Hering M (1940) Zimmermannia liebwerdella (Zimmermann). Ein Nachwort. Mitteilungen aus dem Zoologischen Museum in Berlin 24: 266.", "Nieukerken EJ van (1985) A taxonomic revision of the western Palaearctic species of the subgenera Zimmermannia Hering and Ectoedemia Busck s. str. (Lepidoptera, Nepticulidae), with notes on their phylogeny. Tijdschrift voor Entomologie 128: 1 - 164. http: // www. repository. naturalis. nl / record / 227179", "Lastuvka Z, Lastuvka A (1998) Beitrag zur Kenntnis der Nepticulidenfauna Griechenlands (Lepidoptera, Nepticulidae). Stapfia 55: 313 - 326."]}
Stochastic acceleration in Extreme TeV BL Lacs through MCMC
Creators: name: Sciaccaluga, Alberto
name: Tavecchio, Fabrizio
name: Landoni, Marco
name: Costa, Agnese
Publisher: name: arXiv
Year: 2024
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Extreme TeV BL Lacs are a class of blazars with unique spectral and temporal features, not easily reproducible using standard one-zone models based on single shock acceleration. To account for their peculiar properties we elaborated a two-steps acceleration model where a recollimation shock and the subsequent downstream turbulence energize non-thermal electrons. We apply the model to a sample of Extreme TeV BL Lacs with well characterized spectral energy distributions. Since we are considering several sources, we automatized the exploration of the parameter space. This also allows us to derive the parameter distributions and to study the correlations among them. We numerically solved a system of two coupled non-linear differential equations to obtain the non-thermal particles and turbulence spectra. We calculated the spectral energy distribution via the Synchrotron Self-Compton emission model. The automatization of the parameter space exploration is possible through a Markov Chain Monte Carlo (MCMC) ensemble sampler, in our case emcee. We derived well defined posterior distributions for the parameters, showing that the model is well constrained by available data and supporting the suitability of our method. The cross-correlations among some of the physical parameters are not trivial, therefore we conclude that MCMC sampling is a key instrument to characterize the complexity of our multi-parametric phenomenological model.
description: 9 pages, 16 figures, accepted for publication in A&A
10 Jahre danach: Der Irak-Krieg 2003 und das (Medien-) Schlachtfeld I
Creators: name: Stingeder, Karl H.
Publisher: name: Medienimpulse
Year: 2013

description: Hinsichtlich der Informationsstrategie der US-Administration von George W. Bush und des US-Militärs im Zuge des Irak-Krieges 2003, lässt sich eine gut geplante und organisierte PR feststellen. Die eingebetteten Journalisten waren dabei ein wichtiges Mittel zum Zweck. Sie sorgten für eine Bilderhoheit im Krieg. Auch waren sie als Quelle für "unverfängliche Berichte" geplant. Eine vordergründig "neutrale Berichterstattung", die von negativen Aspekten des Krieges ablenken sollte. Die Medienlandschaft der USA nach dem 11. September 2001 war durch eine weitgehende Konformität geprägt. Kritik am Präsidenten oder an der Regierung wurde häufig als unpatriotisch gewertet. Somit wurde ein idealer Nährboden für Propaganda geschaffen. Propaganda ist systematische, persuasive Public Relations, die mit manipulativen Mitteln arbeitet. Die eigentliche politische Agenda, welche von den Propagandisten verfolgt wird, soll verschleiert werden. Der Irak-Krieg 2003 ist ein politisch gewollter und inszenierter Krieg. Im Zuge der Anschuldigungen gegen Saddam Hussein sowie in Folge der medialen Inszenierung des Kriegs, kristallisierte sich heraus, dass Politik und Militär den Sprung ins moderne Informationszeitalter geschafft haben. Beim modernen Informationskrieg findet der Krieg auf einer weiteren, virtuellen Ebene statt. Information, Nichtinformation und Desinformation sind die effizienten Waffen dieses Krieges. Dabei wird die Desinformation der Öffentlichkeit bewusst in Kauf genommen. JournalistInnen werden dabei als Vermittler politischer Propaganda instrumentalisiert. Die amerikanische Bevölkerung wurde durch die gezielte Manipulation der Medien zu einer Pro-Kriegs-Haltung verleitet. Die Behauptungen, die im Zuge der Anschuldigungen gegen das irakische Regime, aufgestellt wurden, erwiesen sich größtenteils als falsch und manipulativ. Die im Zuge der Vorbereitungen sowie während des Irak-Kriegs 2003 verwendete PR-Strategien können daher als politische Propaganda – mit dem Ziel der Beeinflussung der öffentlichen Meinung – gewertet werden.
description: Medienimpulse, Bd. 51 Nr. 1 (2013): 1/2013 - Normen und Normierungen
Rezension: Bankrott der Bildungsgesellschaft – Pädagogik in politökonomischen Kontexten
Creators: name: Krucsay, Susanne
Publisher: name: Medienimpulse
Year: 2013

description: Medienimpulse, Bd. 51 Nr. 1 (2013): 1/2013 - Normen und Normierungen
Quantum spin systems for measurement-based quantum computation
Creators: name: Wei, Tzu-Chieh
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Measurement-based quantum computation is different from other approaches for quantum computation, in that everything needs to be done is only local measurement on a certain entangled state. It thus uses entanglement as the resource that drives computation. We give a pedagogical treatment on the basics, and then review some selected developments beyond graph states, including Affleck-Kennedy-Lieb-Tasaki states and more recent 2D symmetry-protected topological states.
description: 18 pages, 13 figures, review article in 2018
The Organization of Intrinsic Computation: Complexity-Entropy Diagrams and the Diversity of Natural Information Processing
Creators: name: Feldman, David P.
name: McTague, Carl S.
name: Crutchfield, James P.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Cellular Automata and Lattice Gases (nlin.CG)
subject: FOS: Physical sciences

description: Intrinsic computation refers to how dynamical systems store, structure, and transform historical and spatial information. By graphing a measure of structural complexity against a measure of randomness, complexity-entropy diagrams display the range and different kinds of intrinsic computation across an entire class of system. Here, we use complexity-entropy diagrams to analyze intrinsic computation in a broad array of deterministic nonlinear and linear stochastic processes, including maps of the interval, cellular automata and Ising spin systems in one and two dimensions, Markov chains, and probabilistic minimal finite-state machines. Since complexity-entropy diagrams are a function only of observed configurations, they can be used to compare systems without reference to system coordinates or parameters. It has been known for some time that in special cases complexity-entropy diagrams reveal that high degrees of information processing are associated with phase transitions in the underlying process space, the so-called ``edge of chaos''. Generally, though, complexity-entropy diagrams differ substantially in character, demonstrating a genuine diversity of distinct kinds of intrinsic computation.
description: 18 pages, 12 figures, 2 table; http://users.cse.ucdavis.edu/~cmg/compmech/pubs/oic.htm
Characterization of process-related interfacial dielectric loss in aluminum-on-silicon by resonator microwave measurements, materials analysis, and imaging
Creators: name: Chayanun, Lert
name: Biznárová, Janka
name: Zeng, Lunjie
name: Malmberg, Per
name: Nylander, Andreas
name: Osman, Amr
name: Rommel, Marcus
name: Tam, Pui Lam
name: Olsson, Eva
name: Yurgens, August
name: Bylander, Jonas
name: Roudsari, Anita Fadavi
Publisher: name: arXiv
Year: 2024
Subjects: subject: Quantum Physics (quant-ph)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We systematically investigate the influence of the fabrication process on dielectric loss in aluminum-on-silicon superconducting coplanar waveguide resonators with internal quality factors ($Q_i$) of about one million at the single-photon level. These devices are essential components in superconducting quantum processors; they also serve as proxies for understanding the energy loss of superconducting qubits. By systematically varying several fabrication steps, we identify the relative importance of reducing loss at the substrate-metal and the substrate-air interfaces. We find that it is essential to clean the silicon substrate in hydrogen fluoride (HF) prior to aluminum deposition. A post-fabrication removal of the oxides on the surface of the silicon substrate and the aluminum film by immersion in HF further improves the $Q_i$. We observe a small, but noticeable, adverse effect on the loss by omitting either standard cleaning (SC1), pre-deposition heating of the substrate to 300$°$C, or in-situ post-deposition oxidation of the film's top surface. We find no improvement due to excessive pumping meant to reach a background pressure below $6{\times} 10^{-8}$ mbar. We correlate the measured loss with microscopic properties of the substrate-metal interface through characterization with X-ray photoelectron spectroscopy (XPS), time-of-flight secondary ion mass spectroscopy (ToF-SIMS), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS), and atomic force microscopy (AFM).
description: 22 pages, 11 figures
Display. Thematische Auswahlbibliografie 2004–2013
Creators: name: Kickinger, Katharina
Publisher: name: Medienimpulse
Year: 2014

description: Medienimpulse, Bd. 52 Nr. 1 (2014): 1/2014 - Display/Aktuelle Dynamiken und Herausforderungen kuratorischer und vermittelnder Praxis
Compression of Antiproton Clouds for Antihydrogen Trapping
Creators: name: Andresen, G. B.
name: Bertsche, W.
name: Bowe, P. D.
name: Bray, C. C.
name: Butler, E.
name: Cesar, C. L.
name: Chapman, S.
name: Charlton, M.
name: Fajans, J.
name: Fujiwara, M. C.
name: Funakoshi, R.
name: Gill, D. R.
name: Hangst, J. S.
name: Hardy, W. N.
name: Hayano, R. S.
name: Hayden, M. E.
name: Hydomako, R.
name: Jenkins, M. J.
name: Jorgensen, L. V.
name: Kurchaninov, L.
name: Lambo, R.
name: Madsen, N.
name: Nolan, P.
name: Olchanski, K.
name: Olin, A.
name: Povilus, A.
name: Pusa, P.
name: Robicheaux, F.
name: Sarid, E.
name: Nasr, S. Seif El
name: Silveira, D. M.
name: Storey, J. W.
name: Thompson, R. I.
name: van der Werf, D. P.
name: Wurtele, J. S.
name: Yamazaki, Y.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: Control of the radial profile of trapped antiproton clouds is critical to trapping antihydrogen. We report the first detailed measurements of the radial manipulation of antiproton clouds, including areal density compressions by factors as large as ten, by manipulating spatially overlapped electron plasmas. We show detailed measurements of the near-axis antiproton radial profile and its relation to that of the electron plasma.
"Hygienisch – gesundheitsfördernd – schmackhaft": Beweisführungsstrategien im Werbe- und Industriefilm der 1920er-Jahre
Creators: name: Moser, Karin
Publisher: name: Medienimpulse
Year: 2014

description: Medienimpulse, Bd. 52 Nr. 1 (2014): 1/2014 - Display/Aktuelle Dynamiken und Herausforderungen kuratorischer und vermittelnder Praxis
Ectoedemia Busck 1907
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

description: Genus Ectoedemia Busck Ectoedemia Busck, 1907: 97. Type species Ectoedemia populella Busck, 1907: 98 by original designation and monotypy; see Van Nieukerken 1986: 75 for synonymy. The genus Ectoedemia has been divided in five subgenera (Van Nieukerken 1986): the two treated here, Ectoedemia s. str., Zimmermannia Hering, 1940, further Etainia Beirne, 1945, Fomoria Beirne, 1945 and Laqueus Scoble, 1983. Th e latter, which is also preoccupied, has later been synonymised with Fomoria (Van Nieukerken 2008; Puplesis 1994). Preliminary molecular analyses (E.J. van Nieukerken, personal data) indicate that the monophyly of Ectoedemia in this wide sense is problematic in relation to Parafomoria Borkowski, 1975 and Acalyptris Meyrick, 1921. However, in all analyses, Ectoedemia s. str. and Zimmermannia remain closely related. Diagnosis. The two subgenera here are recognised from other Nepticulidae by the collar comprising hairscales (lamellar scales in Stigmella and most Bohemannia), bifurcate Rs+M in hindwing (trifurcate in Trifurcula) and absence of uncus in the male genitalia. Males often have a hairpencil on the hindwing, forewing cilia line usually conspicuous. Checklist of West Palaearctic species
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 5, DOI: 10.3897/zookeys.32.282, http://zenodo.org/record/576594
description: {"references": ["Busck A (1907) New american Tineina. Proceedings of the Entomological Society of Washington 8: 86 - 99. http: // biodiversitylibrary. org / page / 2345061", "Nieukerken EJ van (1986) Systematics and phylogeny of Holarctic genera of Nepticulidae (Lepidoptera, Heteroneura: Monotrysia). Zoologische Verhandelingen 236: 1 - 93. http: // www. repository. naturalis. nl / record / 317599", "Hering M (1940) Zimmermannia liebwerdella (Zimmermann). Ein Nachwort. Mitteilungen aus dem Zoologischen Museum in Berlin 24: 266.", "Puplesis R (1994) Th e Nepticulidae of eastern Europe and Asia. Western, central and eastern parts. Backhuys Publishers, Leiden, 290 pp."]}
Assessment of the selected heavy metals contamination of fossil fuel (coal) within Okaba, Onyeama and Ribadu Mining Sites, Nigeria
Creators: name: Adetunji, Ademola Tokunbo
name: Adeyinka, Gbadebo Clement
name: Neji, Peter Amba
name: Ajibola, Olaide Olawunmi
name: Bakare, Babatunde Femi
Publisher: name: Mangosuthu University of Technology (MUT)
Year: 2021
Subjects: subject: 90403 Chemical Engineering Design
subject: FOS: Chemical engineering

description: The concentration levels of selected trace metals in coal sam-ples collected from three different locations, namely Okaba coal deposit Kogi State, Onyeama coal deposit and Ribadu both in Enugu state, were investigated in this study.Method: The representative coal samples were analysed for the presence of trace metals such as Cadmium, Chromium, Lead and Copper using an Atomic Absorption Spectrophotometer.Result: The mean concentrations of 0.043 ± 0.007, 0.020 ± 0.006, 0.032 ± 0.006 and 7.245 ± 0.557 (mg/kg) were observed for the selected metals. The concentration of the selected metals investigated with the exception of Lead was found to be above detection limit for EPA – NBS standard and compared to the previous work done globally.Conclusion: The emission of coal has been attributed to the release of critical heavy metals such as Cadmium, Chromium, Lead and Copper, into the environment thereby posing a threat to human health and endangering the ecosystem
Rezension: Johann Holtrop. Abriss der Gesellschaft
Creators: name: Ballhausen, Thomas
Publisher: name: Medienimpulse
Year: 2014

description: Medienimpulse, Bd. 52 Nr. 1 (2014): 1/2014 - Display/Aktuelle Dynamiken und Herausforderungen kuratorischer und vermittelnder Praxis
Rezension: Anna Hofmann, Martina Lassacher (Hg.): KINO erleben und begreifen Filmanalyse mit Kindern und Jugendlichen
Creators: name: Krucsay, Susanne
Publisher: name: Medienimpulse
Year: 2014

description: Medienimpulse, Bd. 52 Nr. 1 (2014): 1/2014 - Display/Aktuelle Dynamiken und Herausforderungen kuratorischer und vermittelnder Praxis
Characterization of non-Markovianity with maximal extractable qubit-reservoir entanglement
Creators: name: Han, Pei-Rong
name: Wu, Fan
name: Huang, Xin-Jie
name: Wu, Huai-Zhi
name: Yi, Wei
name: Wen, Jianming
name: Yang, Zhen-Biao
name: Zheng, Shi-Biao
Publisher: name: arXiv
Year: 2024
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Understanding the dynamical behavior of a qubit in a reservoir is critical to applications in quantum technological protocols, ranging from quantum computation to quantum metrology. The effect of the reservoir depends on reservoir's spectral structure, as well as on the qubit-reservoir coupling strength. We here propose a measure for quantifying the non-Markovian effect of a reservoir with a Lorentzian spectrum, based on the maximum qubit-reservoir quantum entanglement that can be extracted. Numerical simulation shows this entanglement exhibits a monotonous behavior in response to the variation of the coupling strength. We confirm the validity of this measure with an experiment, where a superconducting qubit is controllably coupled to a lossy resonator, which acts as a reservoir for the qubit. The experimental results illustrate the maximal extractable entanglement is progressively increased with the strengthening of the non-Markovianity.
Die ambivalente Bedeutung des Urheberrechts für die Gestaltung des Internets als „Klangraum“
Creators: name: Rakebrand, Thomas
Publisher: name: Medienimpulse
Year: 2015

description: Musik ist ein zentraler Gegenstand, mit denen sich Jugendliche und junge Erwachsene bei ihrer Identitätsbildung gezielt auseinandersetzen. Das Internet bietet ihnen dazu geeignete Strukturen, um über die Rezeption ihrer präferierten Musikinhalte hinaus kommunikativ, distributiv und produktiv-gestalterisch aktiv zu werden und sich dabei ihre Musik zu eigen zu machen. Mehr noch können die Subjekte den "Klangraum" Internet nach ihrer eigenen Facon kreieren und ihren identitätsrelevanten Sozialraum in die digitale Sphäre hinein erweitern. Doch der Aneignung von Online-Räumen sind auch Grenzen gesetzt. Insbesondere beim Thema Musik ist neben der technischen und strukturellen Rahmung der jeweiligen Online-Offerten das Urheberrecht bedeutend. Vor allem die Musikindustrie versucht seit geraumer Zeit die Interaktivität im Web 2.0 zu beschränken, respektive den Schöpfungsakt von MusikerInnen zu schützen. Es stellt sich jedoch die Frage, inwieweit dadurch auch die kreative Aneignung medialer Räume gehemmt wird. Anhand ausgewählter Untersuchungsergebnisse wird in diesem Beitrag aufgezeigt, dass die urheberrechtlichen Bestimmungen für die Gestaltung des "Klangraums" Internet eine ambivalente Bedeutung haben.
description: Medienimpulse, Bd. 53 Nr. 1 (2015): 1/2015 - Medienpädagogik und E-Learning
Interorbital Antisymmetric Hopping Generated Flat Bands on Kagome and Pyrochlore Lattices
Creators: name: Zeng, Keyu
name: Wang, Ziqiang
Publisher: name: arXiv
Year: 2024
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Flat bands are intriguing platforms for correlated and topological physics. Various methods have been developed to create flat bands utilizing lattice geometry, but the investigation of orbital symmetry in multiorbital materials is a new area of focus. Here, we introduce a site symmetry based approach to emerging multiorbital 2D and 3D flat bands on the kagome and pyrochlore lattices. As a conceptual advance, the one-orbital flat bands are shown to originate as mutual eigenstates of isolated molecular motifs. Further developing the mutual eigenstate method for multiple orbitals transforming differently under the site symmetries, we derive interorbital hopping generated flat bands from the antisymmetric interorbital Hamiltonian and introduce group-theoretic descriptions of the flat band wavefunctions. Realizations of multiorbital flat bands in realistic materials are shown to be possible in the Slater-Koster formalism. Our findings provide new directions for exploring flat band electronic structures for novel correlated and topological quantum states.
description: 12+3 pages, 6 figures; 2nd version: published version for npj Quantum Materials
A generic model with unconventional Rashba bands and giant spin galvanic effect
Creators: name: Huang, Xinliang
name: Xiao, Yuhang
name: Song, Rui
name: Hao, Ning
Publisher: name: arXiv
Year: 2024
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In two-dimensional system, Rashba spin-orbit coupling can lift spin degeneracy and gives the opposite spin chirality of two split Fermi circles from two Rashba bands. Here, we propose a generic model which can produce unconventional Rashba bands. In such a case, the two Fermi circles from two bands have the same spin chirality. When various interactions are taken into account, many unique physics can emerge in case of unconventional Rashba bands in comparison with in case of conventional Rashba bands. For instance, we study the spin galvanic effect by considering two cases with potential impurity scattering and magnetic impurity scattering, respectively. In both cases, we find the efficiency of spin galvanic effect is strongly enhanced in unconventional Rashba bands in comparison with conventional Rashba bands. More intriguingly, we find the effeiciency of conventional Rashba bands is insensitive to potential or magnetic impurity scattering. However, such efficiency of uncoventional Rashba bands can be further enhanced by the magnetic impurity scattering in comparison with the potential impurity scattering. Thus, the unconventional Rashba bands can give giant spin galvanic effect. These results show that this model is useful to explore abnormal physics in the systems with unconventional Rashba bands.
description: 14 pages, 8 figures
Probing technicolor theories with staggered fermions
Creators: name: Fodor, Zoltan
name: Holland, Kieran
name: Kuti, Julius
name: Nogradi, Daniel
name: Schroeder, Chris
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: One exciting possibility of new physics beyond the Standard Model is that the fundamental Higgs sector is replaced by a strongly-interacting gauge theory, known as technicolor. A viable theory must break chiral symmetry dynamically, like in QCD, to generate Goldstone bosons which become the longitudinal components of the W and Z. By measuring the eigenvalues of the Dirac operator, one can determine if chiral symmetry is in fact spontaneously broken. We simulate SU(3) gauge theory with n_s=2 and 3 staggered flavors in the fundamental representation, corresponding to N_f=8 and 12 flavors in the continuum limit. Although our first findings show that both theories are consistent with dynamically broken chiral symmetry and QCD-like behavior, flavor breaking effects in the spectrum may require further clarifications before final conclusions can be drawn. We also compare various improved staggered actions, to suppress this potentially large flavor breaking.
description: 7 pages, 5 figures, talk presented at The XXVI International Symposium on Lattice Field Theory, July 14 - 19, 2008, Williamsburg, Virginia, USA
Identitätsarbeit, Selbstwirksamkeit, gemeinsame Erfolgserlebnisse
Creators: name: Pöyskö, Anu
name: Frauneder, Renée
Publisher: name: Medienimpulse
Year: 2014

description: Medienimpulse, Bd. 51 Nr. 2 (2013): 2/2013 - Freizeitpädagogik - Freiwillig, Selbstbestimmt, Selbstorganisiert?
Das Online-Archiv der Österreichischen Mediathek: Rechteklärungen – Nicht nur ein Praxisbericht
Creators: name: Ploteny, Peter
Publisher: name: Medienimpulse
Year: 2013

description: Medienimpulse, Bd. 51 Nr. 2 (2013): 2/2013 - Freizeitpädagogik - Freiwillig, Selbstbestimmt, Selbstorganisiert?
Nano/micro-plastics effects in agricultural landscapes: an overlooked threat to pollination, biological pest control, and food security
Creators: name: Sheng, Dong
name: Jing, Siyuan
name: He, Xueqing
name: Klein, Alexandra-Maria
name: Köhler, Heinz-R.
name: Wanger, Thomas C.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Other Quantitative Biology (q-bio.OT)
subject: FOS: Biological sciences

description: Biodiversity-associated ecosystem services such as pollination and biocontrol may be severely affected by emerging nano/micro-plastics (NMP) pollution. We synthesized the little-explored effects of NMP on pollinators and biocontrol agents on the organismal, farm and landscape scale. For instance ingested NMP trigger organismal changes from gene expression, organ damage to behavior modifications. At the farm and landscape level, NMP will likely amplify synergistic effects with other threats such as pathogens and antibiotics, and may alter landscape properties such as floral resource distributions in high NMP concentration areas, what we call NMP islands. It is essential to understand the functional exposure pathways of NMP on pollinators and biocontrol agents to comprehensively evaluate the risks for agricultural ecosystems and global food security.
10 Jahre danach: Der Irak-Krieg 2003 und das (Medien-) Schlachtfeld II
Creators: name: Stingeder, Karl H.
Publisher: name: Medienimpulse
Year: 2013

description: Hinsichtlich der Informationsstrategie der US-Administration von George W. Bush und des US-–Militärs im Zuge des Irak-Krieges 2003, lässt sich eine gut geplante und organisierte PR feststellen. Die eingebetteten Journalisten waren dabei ein wichtiges Mittel zum Zweck. Sie sorgten für eine Bilderhoheit im Krieg. Auch waren sie als Quelle für „unverfängliche Berichte“ geplant. – Eine vordergründig „neutrale Berichterstattung“, die von negativen Aspekten des Krieges ablenken sollte. Dabei war die Medienlandschaft der USA nach dem 11. September 2001 durch weitgehende Konformität geprägt. Kritik am Präsidenten oder an der Regierung wurde häufig als unpatriotisch gewertet. Somit wurde ein idealer Nährboden für Propaganda geschaffen. Der Irak-Krieg 2003 stellt einen politisch gewollten und inszenierten Krieg dar. Im Zuge der Anschuldigungen gegen Saddam Hussein sowie infolge der medialen Inszenierung des Kriegs kristallisierte sich heraus, dass Politik und Militär den Sprung ins moderne Informationszeitalter geschafft haben. Beim modernen Informationskrieg findet der Krieg auf einer weiteren, virtuellen Ebene statt. Information, Nichtinformation und Desinformation sind die effizienten Waffen dieses Krieges. Dabei wird die Desinformation der Öffentlichkeit bewusst in Kauf genommen und JournalistInnen werden als Vermittler politischer Propaganda instrumentalisiert.
description: Medienimpulse, Bd. 51 Nr. 2 (2013): 2/2013 - Freizeitpädagogik - Freiwillig, Selbstbestimmt, Selbstorganisiert?
Movie-Reviews: Gamer & Surrogates
Creators: name: Stingeder, Karl H.
Publisher: name: Medienimpulse
Year: 2013

description: Gamer Studio: Universum-Film Erscheinungsjahr: 2010/2012 (Extended Version) DVD/Blu-ray Surrogates – Mein zweites Ich Studio: Touchstone Erscheinungsjahr: 2010 DVD/Blu-ray
description: Medienimpulse, Bd. 51 Nr. 2 (2013): 2/2013 - Freizeitpädagogik - Freiwillig, Selbstbestimmt, Selbstorganisiert?
The phytoplankton community response(s) to global changes and their effect(s) on ecosystem functioning with a special focus on Phaeocystis spp, a harmful algae.
Creators: name: KARASIEWICZ, Stéphane
Publisher: name: Zenodo
Year: 2017
Subjects: Diatoms
Ecological Niche
Biodiversity
Temporal analysis

description: Coastal ecosystems, the interfaces between land and sea, are subject to climate change and high anthropogenic pressure. Consequently, most coastal waters are prone to eutrophication. The phytoplankton requires a special attention because of its role of primary producer in marine ecosystems. Recently, Harmful Algae Bloom outbreaks has raised concern worldwide. The thesis aim was to describe and to measure the temporal responses and causalities of the phytoplankton community structure, with the occurrence of a harmful algae, under global changes. To do so, the ecological niche concept and a statistical method were adapted. The Within Outlying Mean Indexes was proposed to refine the Outlying Mean Index analysis by combining its properties with the K-select analysis species marginality decomposition. The subniche dynamics of the species composing the community were studied under environmental conditions hosting low (L) and high (H) Phaeocystis spp. abundance. Subset H was characterized by a large Phaeocystis spp. niche and a high diatom diversity. In subset L, Phaeocystis spp. was subject to great biological constrain suspected to be caused by diatom competition for resources. The phytoplankton diversity productivity was stronger at a seasonal scale than on the long-term. The resource imbalance had no direct link with productivity in the long-term. The long-term invasive species success and its impact on productivity is favored by successive cold years with high resource imbalance which rise the number of small species and its bloom. I finally discussed on the methodological improvements, the potential use of the trait-based approach, and possible experimental set-ups to support the thesis results.
Movie-Review: Ausgequetscht
Creators: name: Stingeder, Karl H.
Publisher: name: Medienimpulse
Year: 2013

description: Studio: Studiocanal Erscheinungsjahr: 2010 DVD/Blu–ray
description: Medienimpulse, Bd. 51 Nr. 2 (2013): 2/2013 - Freizeitpädagogik - Freiwillig, Selbstbestimmt, Selbstorganisiert?
"Natürlich kann man Geld als Medium begreifen…"
Creators: name: Stockburger, Axel
name: Sonderegger, Ruth
Publisher: name: Medienimpulse
Year: 2014

description: Medienimpulse, Bd. 52 Nr. 2 (2014): 2/2014 - Potenziale digitaler Medienkunst
Musen und Sirenen – Ein Essay über das Leben als Spiel
Creators: name: Winkler, Paul
Publisher: name: Medienimpulse
Year: 2014

description: Über das Leben als Spiel und den Wert der Philosophie reflektiert Martin Poltrum. Mit spielerischer Leichtigkeit widmet er sich Gedankenexperimenten zum Komplex Leben – Philosophie – Spiel und gibt daraus abgeleitete Ratschläge verpackt im philosophischen Essay seiner Tochter, der das Buch gewidmet ist, mit auf den Weg. Auf zwischenzeitlich sehr universalistische Weise wird das Spiel als zentrales Prinzip des Lebens dargestellt, wofür die großen Philosophen als theoretische Grundlage dienen.
description: Medienimpulse, Bd. 52 Nr. 2 (2014): 2/2014 - Potenziale digitaler Medienkunst
Near-optimal convergence of the full orthogonalization method
Creators: name: Chen, Tyler
name: Meurant, Gérard
Publisher: name: arXiv
Year: 2024
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: We establish a near-optimality guarantee for the full orthogonalization method (FOM), showing that the overall convergence of FOM is nearly as good as GMRES. In particular, we prove that at every iteration $k$, there exists an iteration $j\leq k$ for which the FOM residual norm at iteration $j$ is no more than $\sqrt{k+1}$ times larger than the GMRES residual norm at iteration $k$. This bound is sharp, and it has implications for algorithms for approximating the action of a matrix function on a vector.\end{abstract}
La influencia del existencialismo en las novelas de Ernesto Sábato
Creators: name: Gadsby, Arlette
Publisher: name: University of British Columbia
Year: 2010

description: Novelista y ensayista argentine contemporaneo, Ernesto Sabato pertenece a un grupo de escritores que iniciaron en la segunda mitad del siglo veinte, una renovacion tematica y formal en la novelistica hispanoamericana. Nuestro estudio se ha limitado a poner de relieve la modalidad existencial de las novelas de Sabato, como una de las tendencias adoptadas por los autores actuales que hicieron del hombre el centro de sus preocupaclones y denunciaron en sus obras los conflictos propios de la condicion humana, apartandose asi de la realidad documental y del panfletaris-mo. Antes de pasar al andlisis de las obras del autor hemos intentado dar una definicion de la filosofia existencial y de destacar los temas que la caracterizan, temas que constituyen el eje de la produccion literaria sabatiana. En El tunel, Sobre heroes y tumbas y Abaddon, el exterminador hemos podido comprobar el enfrentamiento perpetuo del ser con su existencia, punto central de la filosoffa existencial, y revelar la angustia, la soledad y el desamparo que los personajes experimentan frente al absurdo. Al estudiar estas novelas, hemos destacado, por una parte, una evolucion en la sensibilidad existencial de Sabato quien en su segunda obra de ficcion rompe su filiacion directa con los filosofos existenciales europeos, filiacion que se hace patente en El tunel, para expresar problemas metaffsieos propios de su pais en busca de una identidad. Abaddon, el exterminador, su ultima obra, constitute el coronamiento de la creacion artistica de Sabato en el sentido de que en esta novela el autor quiso expresar el caos espiritual no ya de un individuo corao en El tunel, o de una nacion, como en Sobre heroes y tumbas, sino del hombre moderno universal, dominado por la maquina. Esta evolucion tematica se acompana a su vez, de una revolucion en los metodos tecnicos erapleados. En su esfuerzo por plasmar los problemas metafisicos del hombre universal Sabato recurre, en su ultima novela particularmente, a una tecnica extremadamente variada, vehiculo de su pensamiento y expresion del mundo deshumanizado e ininteligible donde vivimos. De modo que la novela viene a significar para Sabato un intento de aprehension del ser confuso y contradictorio del mundo de hoy, el reflejo estetico de una concepcion universal existencialista.
Growth and development of onions in a subtropical environment
Creators: name: Duff, Alan Andrew
Publisher: name: CQUniversity
Year: 2022
Subjects: subject: 70399 Crop and Pasture Production not elsewhere classified
subject: FOS: Agriculture, forestry and fisheries

description: Australia currently produces 210 000 tonnes of onions annually. The major production areas are in southern Australia where the predominant onion type is adapted to an intermediate long daylength. Queensland's annual production is stable at 10% (20 000 to 25 000 tonnes) of the national production. Ninety percent of the Queensland crop is grown in southern Queensland (Lockyer Valley and the Darling Downs). Small production areas can be found in central and tropical north Queensland. Consequently, onions in Queensland are grown under a predominantly subtropical environment. Crops are sown from late February to late June. An extensive range of cultivars is required to meet the changing environmental conditions that occur during this time period in order to achieve maximum economic crop yield. In the past, incorrect cultivar selection has resulted in high levels of doubling and bolting with a corresponding reduction in economic yield. This study conducted at Gallon Research Station in the Lockyer Valley investigated the growth and development of several cultivars currently available to growers in Queensland.
Eine politische Farbenlehre medienerzieherischer Begründungen
Creators: name: Ruge, Wolfgang B.
Publisher: name: Medienimpulse
Year: 2015

description: Der Aufsatz diskutiert die implizite Politik, die Ansätzen der Medienpädagogik zugrunde liegt, und ordnet sie (partei-)politischen Strömungen zu. Die Klassifikation erfolgt dabei anhand der Fragen, welchen Stellenwert Medien haben, welches Bildungsziel propagiert wird, wie das Individuum adressiert und was als Medienkompetenz verstanden wird.
description: Medienimpulse, Bd. 53 Nr. 2 (2015): 2/2015 - Begründungen und Ziele der Medienbildung
Polymer Concentration Regimes from Fractional Microrheology
Creators: name: Panahi, Amirreza
name: Pu, Di
name: Natale, Giovanniantonio
name: Benneker, Anne M.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: In this work, a framework for deriving theoretical equations for mean squared displacement (MSD) and fractional Fokker-Planck (FFP) is developed for any arbitrary rheological model. The obtained general results are then specified for different fractional rheological models. To test the novel equations extracted from our framework and bridge the gap between microrheology and fractional rheological models, microrheology of polystyrene (PS) in tetrahydrofuran (THF) solutions at several polymer concentrations is measured. By comparing the experimental and theoretical MSDs, we find the fractional rheological parameters and demonstrate for the first time that the polymer concentration regimes can be distinguished using the fractional exponent and relaxation time data because of the existence of a distinct behavior in each regime. We suggest simple approximations for the critical overlap concentration and the shear viscosity of viscoelastic liquid-like solutions. This work provides a more sensitive approach for distinguishing different polymer concentration regimes and measuring the critical overlap concentration and shear viscosity of polymeric solutions, which is useful when conventional rheological characterization methods are unreliable due to the volatility and low viscosity of the samples.
description: 23 Pages, 7 Figures, The following article has been published in the Journal of Rheology
Zimmermannia Hering 1940
Creators: name: van Nieukerken, Erik
name: Laštůvka, Aleš
name: Laštůvka, Zdeněk
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Nepticulidae
Zimmermannia

description: Subgenus Zimmermannia Zimmermannia Hering, 1940: 266. Type species Ectoedemia liebwerdella Zimmermann, 1940: 264 by original designation and monotypy. Diagnosis. Most species relatively large for Nepticulidae, wingspan 6–10 mm. Colour pattern either absent or restricted to small dorsal spot and rarely a costal spot. Vestiture often rather dark brownish. Males often with conspicuous humeral lobe on hindwing around hairpencil, females often with very hairy abdominal tip. Pale headed species may resemble Trifurcula species, but males of those always with velvet patch of raised scales on hindwing underside or black androconials on forewing underside (in T. (Glaucolepis) melanoptera Van Nieukerken & Puplesis, 1991). In females genitalia dissection may be necessary when the venation is not clearly seen.
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 7, DOI: 10.3897/zookeys.32.282, http://zenodo.org/record/576594
description: {"references": ["Hering M (1940) Zimmermannia liebwerdella (Zimmermann). Ein Nachwort. Mitteilungen aus dem Zoologischen Museum in Berlin 24: 266."]}
#varoufake – Eine essayistische Betrachtung von Jan Böhmermanns Mittelfinger-Coup
Creators: name: Larl, Bettina
Publisher: name: Medienimpulse
Year: 2015

description: Medienimpulse, Bd. 53 Nr. 2 (2015): 2/2015 - Begründungen und Ziele der Medienbildung
A Unified Non-Strict Finsler Lemma
Creators: name: Meijer, T. J.
name: Scheres, K. J. A.
name: Eijnden, S. van den
name: Holicki, T.
name: Scherer, C. W.
name: Heemels, W. P. M. H.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Optimization and Control (math.OC)
subject: Systems and Control (eess.SY)
subject: FOS: Mathematics
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: In this paper, we present a unified general non-strict Finsler lemma. This result is general in the sense that it does not impose any restrictions on the involved matrices and, thereby, it encompasses all existing non-strict versions of Finsler's lemma that do impose such restrictions. To further illustrate its usefulness, we showcase applications of the non-strict Finsler's lemma in deriving a structured solution to a special case of the non-strict projection lemma, and we use the unified non-strict Finsler's lemma to prove a more general version of the matrix Finsler's lemma.
The effects of light-wave nonstaticity on accompanying geometric-phase evolutions
Creators: name: Choi, Jeong Ryeol
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum mechanics allows the emergence of nonstatic quantum light waves in the Fock state even in a transparent medium of which electromagnetic parameters do not vary over time. Such wave packets become broad and narrow in turn periodically in time in the quadrature space. We investigate the effects of wave nonstaticity arisen in a static environment on the behavior of accompanying geometric phases in the Fock states. In this case, the geometric phases appear only when the measure of nonstaticity is not zero and their time behavior is deeply related to the measure of nonstaticity. While the dynamical phases undergo linear decrease over time, the geometric phases exhibit somewhat oscillatory behavior where the center of oscillation linearly increases. In particular, if the measure of nonstaticity is sufficiently high, the geometric phases abruptly change whenever the waves become narrow in the quadrature space. The understanding for the phase evolution of nonstatic light waves is necessary in their technological applications regarding wave modulations.
Wissensmanagement und Medienbildung
Creators: name: Scheidl, Gerhard
Publisher: name: Medienimpulse
Year: 2014

description: Die Querschnittsthematik „Medienbildung“ stößt auf eine immer noch fachzentrierte Ausbildung und Schulpraxis. Mögliche Lösungen könnten Überlegungen aus dem Wissensmanagement bieten, wie Gerhard Scheidl in seinem Beitrag auf verschiedenen Ebenen erläutert. Denn in der Wissens- und Informationsgesellschaft ist eine eingehende Konzeptualisierung von Wissen und Wissensentwicklung vonnöten. Deshalb unterschiedet Scheidl vier Formen der Wissensübertragung: Sozialisation, Externalisierung, Kombination und Internalisierung werden bei der Konstitution des Wissens immer wieder durchlaufen und bilden eine Wissensspirale. Medienbildung ist daher nachdrücklich als Querschnittsmaterie in alle Schularten zu implementieren.
description: Medienimpulse, Bd. 50 Nr. 3 (2012): 3/2012 - PädagogInnenbildung Neu
Variable Hyperparameterized Gaussian Kernel using Displaced Squeezed Vacuum State
Creators: name: Mehta, Vivek
name: Roy, Utpal
Publisher: name: arXiv
Year: 2024
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: There are schemes for realizing different types of kernels by quantum states of light. It is particularly interesting to realize the Gaussian kernel due to its wider applicability. A multimode coherent state can generate the Gaussian kernel with a constant value of hyperparameter. This constant hyperparameter has limited the application of the Gaussian kernel when it is applied to complex learning problems. We realize the variable hyperparameterized Gaussian kernel with a multimode-displaced squeezed vacuum state. The learning capacity of this kernel is tested with the support vector machines over some synthesized data sets as well as public benchmark data sets. We establish that the proposed variable hyperparameterized Gaussian kernel offers better accuracy over the constant Gaussian kernel.
description: 6 pages and 4 figures
Performing Media in Convergence. Konzept, Programmatik und (Hochschul-)Didaktik integraler Kompetenzprofilierung multimedialer Produktion
Creators: name: Filk, Christian
Publisher: name: Medienimpulse
Year: 2014

description: Der Beitrag hat sich zum Ziel gesetzt, Lernende und Lehrende für das kompetente (Interagieren) in konvergierenden Medienumgebungen auszubilden. Dies erfolgt durch ein integrales sowohl fachwissenschaftlich als auch fachpraktisch fundiertes Konzept mit aufeinander abgestimmten individualisierbaren Kompetenzprofilen und flexibilisierten Produktions-Workflows. Das zu entwickelnde integrale Strukturmodell verdeutlicht, welche curricularen Kompetenzen vermittelt werden müssen und wie diese im Einzelnen miteinander zusammenhängen. Das Hauptanliegen des Beitrags besteht darin, Lernende und Lehrende mit unterschiedlichen Voraussetzungen durch die Entwicklung von auf Komplementarität und Differenz hin abgestimmten Kompetenzprofilen in der multimedialen Gestaltung und Produktion auszubilden. Um der sachlich gebotenen Komplexität und Professionalität digitaler Produktions- und Wertschöpfungsketten Rechnung zu tragen, wird zum einen zwischen ‚Wissen‘ (Knowledge), ‚Fähigkeiten‘ (Competence) und ‚Fertigkeiten‘ (Skills) beziehungsweise zum anderen zwischen ‚Netz-‘, ‚Narrations-‘, ‚Produktions‘ und ‚Marktkompetenz‘ unterschieden.
description: Medienimpulse, Bd. 50 Nr. 3 (2012): 3/2012 - PädagogInnenbildung Neu