cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Conformally-flat, non-singular static metric in infinite derivative gravity
Creators: name: Buoninfante, Luca
name: Koshelev, Alexey S.
name: Lambiase, Gaetano
name: Marto, João
name: Mazumdar, Anupam
Publisher: name: arXiv
Year: 2018
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In Einstein's theory of general relativity the vacuum solution yields a blackhole with a curvature singularity, where there exists a point-like source with a Dirac delta distribution which is introduced as a boundary condition in the static case. It has been known for a while that ghost-free infinite derivative theory of gravity can ameliorate such a singularity at least at the level of linear perturbation around the Minkowski background. In this paper, we will show that the Schwarzschild metric does not satisfy the boundary condition at the origin within infinite derivative theory of gravity, since a Dirac delta source is smeared out by non-local gravitational interaction. We will also show that the spacetime metric becomes conformally-flat and singularity-free within the non-local region, which can be also made devoid of an event horizon. Furthermore, the scale of non-locality ought to be as large as that of the Schwarzschild radius, in such a way that the gravitational potential in any metric has to be always bounded by one, implying that gravity remains weak from the infrared all the way up to the ultraviolet regime, in concurrence with the results obtained in [arXiv:1707.00273]. The singular Schwarzschild blackhole can now be potentially replaced by a non-singular compact object, whose core is governed by the mass and the effective scale of non-locality.
description: 24 pages. Revised version, stronger arguments presented for avoiding singularity and event horizon
The Equivalence Theorem and Global Anomalies
Creators: name: Donoghue, John F.
name: Tandean, Jusak
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the presence of some forms of global anomalies, the equivalence theorem, which relates the interactions of longitudinal gauge bosons to those of the Goldstone bosons, is not always valid. This can occur when the Goldstone sector contains an anomaly which is canceled in the gauge currents by the effects of a different sector of the theory. The example of the Standard Model without Higgs particles is used to illustrate this phenomena.
description: 8 pages, LaTeX, figure available upon request, UMHEP-381
Hardware Based Testing of Communication Based Control for DC Microgrid
Creators: name: Saleh, Mahmoud
Publisher: name: figshare
Year: 2018
Subjects: subject: 90699 Electrical and Electronic Engineering not elsewhere classified
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: 120404 Engineering Systems Design
subject: FOS: Other engineering and technologies
subject: 120405 Models of Engineering Design
subject: 99999 Engineering not elsewhere classified
subject: 91305 Energy Generation, Conversion and Storage Engineering
subject: FOS: Mechanical engineering
subject: 90607 Power and Energy Systems Engineering (excl. Renewable Power)
subject: 91302 Automation and Control Engineering
subject: 120499 Engineering Design not elsewhere classified
subject: 90608 Renewable Power and Energy Systems Engineering (excl. Solar Cells)

description: This paper further describes our work presented in Industry Application Society 2016 Conference, with more details related to the control and operation of the microgrid. The DC microgrid facility was custom designed and implemented at CCNY with minimal off-the-shelf components to enable flexibility and reconfiguration capability. The design steps, requirements, and experimental results of the developed testbed were discussed. As a case study, a central controller for energy management algorithm was developed and tested under several operational scenarios. The experimental results verify the applicability of the developed testbed for validating DC microgrid controllers.
EX ARABICO IN LATINUM: TRADUZIONI SCIENTIFICHE E TRADUTTORI NELL’OCCIDENTE MEDIEVALE
Creators: name: PERGOLA, RUGGIERO
Publisher: name: Studi di glottodidattica
Year: 2010
Subjects: traduzione; traduttori; medioevo; arabo; scuola di Toledo

description: Il ruolo di primo piano svolto dalla Spagna nella storia delle traduzioni specialistiche medievali ha richiamato l’attenzione di numerosi studiosi nel corso degli ultimi due secoli, producendo risultati eterogenei. Retaggio del passato è in particolare la denominazione “Scuola di Toledo”, con la quale ci si riferisce al movimento traduttivo di opere scientifiche dall’arabo condotto in Spagna tra il XII e il XIII secolo. Molti sono però anche i traduttori che non ebbero contatti diretti con la Spagna ma che diedero un apporto ugualmente forte all’ambizioso progetto di traduzione di letteratura scientifica dall’arabo: Costantino l’Africano e Adelardo di Bath ne sono due esempi lampanti. Anche se caratterizzati da orientamenti e peculiarità distinti, i traduttori che popolarono il Medioevo centrale erano accomunati dal grande desiderio di riscoprire — in forma diretta o attraverso la mediazione di arabo ed ebraico — i testi di Platone, Aristotele, Tolomeo, Euclide, Galeno, insuperati depositari di saperi. Obiettivo di questo contributo è offrire, alla luce degli studi più recenti, una visione d’insieme sui principali traduttori e sulle traduzioni medievali dall’arabo di testi specialistici, realizzate in Occidente tra il XII e il XIII secolo.
description: Studi di glottodidattica, V. 3, N. 3 (2009)
A Pure Demand Operational Semantics with Applications to Program Analysis
Creators: name: Smith, Scott
name: Zhang, Robert
Publisher: name: arXiv
Year: 2023
Subjects: subject: Programming Languages (cs.PL)
subject: FOS: Computer and information sciences

description: This paper develops a novel minimal-state operational semantics for higher-order functional languages that uses only the call stack and a source program point or a lexical level as the complete state information: there is no environment, no substitution, no continuation, etc. We prove this form of operational semantics equivalent to standard presentations.
 We then show how this approach can open the door to potential new applications: we define a program analysis as a direct finitization of this operational semantics. The program analysis that naturally emerges has a number of novel and interesting properties compared to standard program analyses for higher-order programs: for example, it can infer recurrences and does not need value widening. We both give a formal definition of the analysis and describe our current implementation.
description: 32 pages, 21 figures
The double pulsar: evolutionary constraints from the system geometry
Creators: name: Ferdman, R. D.
name: Stairs, I. H.
name: Kramer, M.
name: Manchester, R. N.
name: Lyne, A. G.
name: Breton, R. P.
name: McLaughlin, M. A.
name: Possenti, A.
name: Burgay, M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The double pulsar system PSR J0737-3039A/B is a highly relativistic double neutron star (DNS) binary, with a 2.4-hour orbital period. The low mass of the second-formed NS, as well the low system eccentricity and proper motion, point to a different evolutionary scenario compared to other known DNS systems. We describe analysis of the pulse profile shape over 6 years of observations, and present the resulting constraints on the system geometry. We find the recycled pulsar in this system, PSR J0737-3039A, to have a low misalignment between its spin and orbital angular momentum axes, with a 68.3% upper limit of 6.1 degrees, assuming emission from both magnetic poles. This tight constraint lends credence to the idea that the supernova that formed the second pulsar was relatively symmetric, possibly involving electron-capture onto an O-Ne-Mg core.
description: 5 page, 2 figures; To appear in the conference proceedings "40 Years of Pulsars: Millisecond Pulsars, Magnetars, and More", August 12-17, 2007, at McGill University, Montreal, Canada. Version with full-resolution figures can be found at http://www.phas.ubc.ca/~ferdman/ferdman.0737_geo.full.ps.gz; typos corrected, some rewording, and references added
IL RAGNO E LA TELA
Creators: name: RIZZI, MARIAPIA
Publisher: name: Studi di glottodidattica
Year: 2010
Subjects: lingua dei segni; poesia; sordi; riflessione linguistica

description: La poesia composta ed eseguita in Lingua dei Segni è uno dei più importanti veicoli di espressione artistica per chi appartiene alla comunità dei sordi. Il presente articolo stringe il fuoco della ricerca su un dettaglio, ovvero, su un preciso oggetto linguistico: il testo poetico segnato inteso come luogo di riflessione linguistica e semiotica. Questo originale spazio testuale sollecita una riflessione intorno a quei dispositivi poetici che sono propri del codice segnato e della modalità visivo gestuale. Di seguito si propone il confronto di due approcci all’analisi del testo poetico segnato: il primo, elaborato dai linguisti Klima e Bellugi (1979), si basa su studi comparativi che cercano di allineare e appiattire il segno sulla parola; il secondo, proposto dal ricercatore italiano Tommaso Russo, rimette al centro una caratteristica pervasiva della lingua dei segni, l’iconicità, e invita a rileggere la poesia segnata considerando più da vicino il ruolo assunto degli aspetti iconici nella costruzione testuale.
description: Studi di glottodidattica, V. 3, N. 3 (2009)
Identification and characterization of a rhamnosyltransferase involved in rutin biosynthesis in Fagopyrum esculentum (common buckwheat)
Creators: name: Eiki Koja
name: Ohata, Soichiro
name: Maruyama, Yoshinori
name: Suzuki, Hideyuki
name: Shimosaka, Makoto
name: Taguchi, Goro
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biophysics
subject: Biochemistry
subject: Molecular Biology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Rutin, a 3-rutinosyl quercetin, is a representative flavonoid distributed in many plant species, and is highlighted for its therapeutic potential. In this study, we purified uridine diphosphate-rhamnose: quercetin 3-O-glucoside 6″-O-rhamnosyltransferase and isolated the corresponding cDNA (FeF3G6″RhaT) from seedlings of common buckwheat (Fagopyrum esculentum). The recombinant FeF3G6″RhaT enzyme expressed in Escherichia coli exhibited 6″-O-rhamnosylation activity against flavonol 3-O-glucoside and flavonol 3-O-galactoside as substrates, but showed only faint activity against flavonoid 7-O-glucosides. Tobacco cells expressing FeF3G6″RhaT converted the administered quercetin into rutin, suggesting that FeF3G6″RhaT can function as a rhamnosyltransferase in planta. Quantitative PCR analysis on several organs of common buckwheat revealed that accumulation of FeF3G6″RhaT began during the early developmental stages of rutin-accumulating organs, such as flowers, leaves, and cotyledons. These results suggest that FeF3G6″RhaT is involved in rutin biosynthesis in common buckwheat. FeF3G6” RhaT catalyzes rutin biosynthesis in buckwheat, which is expressed in rutin-accumulating organs during early developmental stages.
title: 01_0037
Creators: name: Wesley Baldwin, John
name: Baldwin, John W.
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2018
Subjects: subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: L'ensemble de ces notes ont été crée par John Baldwin lors d'une de ses premières périodes de résidence à Paris. Ces documents comprennent tous les magistri qu’il avait pu rencontrer dans ses sources. Aux XIIème et XIIIème siècles, les universités n'existant pas encore, le titre de magister s'il évoque certainement une compétence n'est pas rattaché de façon systématique au passage par les écoles. De surcroît, les magistris sont le plus souvent désignés par leur seul prénom. La lecture de ces données est donc difficile et suppose un long travail pour tenter d'identifier un individu auquel on pourrait rattacher plusieurs mentions. John Baldwin avait donc renoncé à utiliser ces données pour donner un prolongement à sa magnifique étude sur les gradués d'université et leur emploi par les Capétiens et les Plantagenêts. Néanmoins, il a conservé ces données et elles sont potentiellement très utile dans le cadre de Studium, comme le sont toutes les mentions dans les volumes des Fasti Ecclesiae Gallicanae de chanoines portant ce titre de magister sans autres précisions. L'ampleur des dépouillements rend ces données très utiles et nous devons une grande reconnaissance à John Baldwin pour avoir pris la peine de faire photocopier ses fiches et de nous les avoir transmises amicalement.
Les données ainsi que les images des fiches sont accessibles sur le site Internet à l'adresse suivante : http://studium-baldwin.lamop.fr/.
Les transcriptions des fiches ont été effectuées par des étudiants de Paris 1 Panthéon - Sorbonne mais elles n'ont pas été corrigées par la suite.
description: Relation: https://lamop.hypotheses.org/
Remark on the local well-posedness of compressible non-Newtonian fluids with initial vacuum
Creators: name: Baba, Hind Al
name: Taki, Bilal Al
name: Hussein, Amru
Publisher: name: arXiv
Year: 2023
Subjects: subject: Analysis of PDEs (math.AP)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: Primary 76A05, Secondary 35Q35, 35K65, 35J62

description: We discuss in this short note the local-in-time strong well-posedness of the compressible Navier-Stokes system for non-Newtonian fluids on the three dimensional torus. We show that the result established recently by Kalousek, Mácha, and Nečasova in \doi{10.1007/s00208-021-02301-8} can be extended to the case where vanishing density is allowed initially. Our proof builds on the framework developed by Cho, Choe, and Kim in \doi{10.1016/j.matpur.2003.11.004} for compressible Navier-Stokes equations in the case of Newtonian fluids. To adapt their method, special attention is given to the elliptic regularity of a challenging nonlinear elliptic system. We show particular results in this direction, however, the main result of this paper is proven in the general case when elliptic $W^{2,p}$-regularity is imposed as an assumption. Also, we give a finite time blow-up criterion.
description: 17 pages
NEL LINGUAGGIO SPECIALISTICO
Creators: name: SCELZI, RAFFAELLA
Publisher: name: Studi di glottodidattica
Year: 2010
Subjects: linguaggio specialistico; didattica integrata; competenza pluriculturale

description: L’articolo si propone di offrire una panoramica di alcuni aspetti del linguaggio specialistico, analizzato in alcune sue peculiarità e alla luce di un’ottica transdisciplinare che sconfina nella linguistica, nella glottodidattica e nella semiotica, con particolare attenzione alla didattica del suo insegnamento/apprendimento. Sebbene le specificità di tali linguaggi specialistici necessitano di un’indagine più approfondita a partire dalla letteratura pervenuta fino a noi, focalizzando l’attenzione sulle implicazioni che richiamano le diverse analisi disciplinari, ogni singolo aspetto potrebbe suggerire percorsi di studio e approfondimenti.
description: Studi di glottodidattica, V. 3, N. 3 (2009)
Optoelectronics and defect levels in hydroxyapatite by first-principles
Creators: name: Avakyan, Leon A.
name: Paramonova, Ekaterina V.
name: Coutinho, José
name: Öberg, Sven
name: Bystrov, Vladimir S.
name: Bugaev, Lusegen A.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Hydroxyapatite (HAp) is an important component of mammal bones and teeth, being widely used in prosthetic implants. Despite the importance of HAp in medicine, several promising applications involving this material e.g. in photo-catalysis), depend on how well we understand its fundamental properties. Among the ones that are either unknown or not known accurately we have the electronic band structure and all that relates to it, including the band gap width. We employ state-of-the-art methodologies, including density hybrid-functional theory and many-body perturbation theory within the GW approximation, to look at the optoelectronic properties of HAp. These methods are also applied to the calculation of defect levels. We find that the use of a mix of (semi-)local and exact exchange in the exchange-correlation functional, brings a drastic improvement to the band structure. Important side-effects include improvements in the description of dielectric and optical properties, not only involving conduction band (excited) states, but also the valence. We find that the highly dispersive conduction band bottom of HAp originates from anti-bonding $σ^{*}$ states along the $\cdots\textrm{OH-OH-}\cdots$ infinite chain, suggesting the formation of a conductive 1D-ice phase. The choice of the exchange-correlation treatment to the calculation of defect levels was also investigated by using the OH-vacancy as testing-model. We find that donor and acceptor transitions obtained within semi-local DFT differ from those of hybrid-DFT by almost 2 eV. Such a large discrepancy emphasizes the importance of using a high-quality description of the electron-electron interactions in the calculation of electronic and optical transitions of defects in HAp.
Lettre de Jean-François Séguier à Jules François Paul de Fauris de Saint-Vincent, 1782-02-18
Creators: name: Séguier, Jean-François
name: Jean-François Séguier
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2021
Subjects: Antiquités (général)
Epigraphie
Numismatique
Santé

description: [transcription] Monsieur

Les incommodités que je souffre depuis trois semaines et les douleurs qu'elles me causent, qui sont devenues plus vives depuis le temps extrêmement froid qu'il fait ici, m'obligent de garder la maison, et j'ai été forcé de mander quelqu'un chez Cusson l'orfèvre, possesseur des médailles du Bas-Empire, dont je vous donnai avis ci-devant. Vous verrez par sa réponse qu'il ne les a plus, et s'en a défait, c'est-à-dire les à toutes fondues, comme il a dit de vive voix à la personne que je lui ai mandé.

J'ai jeté un coup d'oeil sur l'inscription en caractères grecs que vous avez eu la bonté de m'envoyer : et je n'y entends rien, elle paraît de bas âge, peut-être est-elle d'une femme. Si on l'a bien copiée, elle est pour moi indéchiffrable. Il y a des abréviations qui marquent une époque IAXMP [le M et le P sont collés] qu'il n'est pas aisé de deviner. Quand ma santé sera rétablie, je ferai des recherches pour y parvenir. Mais dans l'état où je suis, je ne le puis. Il en a été fort pénible de vous écrire en quelques lignes.

Je suis avec respect et un entier dévouement

Monsieur

Votre très humble et très obéissant serviteur

Séguier

Nîmes le 18février 1782.
description: [personnes citées] Pierre Cusson
description: Source: [lieu de Conservation] Paris, Bibliothèque nationale de France [cote]NAF 1893, fol. 125
description: Source: ark:/12148/btv1b105094443
L’INSEGNAMENTO E L’APPRENDIMNTO DEL LESSICO IN AMBIENTE CLIL. IL CLIL E L’APPROCCIO LESSICALE. ALCUNE RIFLESSIONI
Creators: name: CARDONA, MARIO
Publisher: name: Studi di glottodidattica
Year: 2010
Subjects: approccio lessicale; competenza lessicale; CLIL

description: Studi di glottodidattica, APPRENDERE LE LINGUE CON LA METODOLOGIA CLIL
Light Dilaton in Rare Meson Decays and Extraction of its CP Property
Creators: name: Girmohanta, Sudhakantha
name: Nakai, Yuichiro
name: Shigekami, Yoshihiro
name: Tobioka, Kohsaku
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The dilaton $ϕ$ is a pseudo-Nambu-Goldstone boson associated with the spontaneous breaking of scale invariance in a nearly conformal theory, and couples to the trace of the stress-energy tensor. We analyze experimental constraints on a light dilaton with mass in the MeV-GeV range from rare meson decays. New model-independent inclusive bounds for the $b \to s ϕ$ transition largely exclude the parameter space of a light dilaton that could explain the muon $g-2$ anomaly. Despite similarities between a dilaton and a Higgs-portal scalar, the dilaton-photon coupling is enhanced compared to the Higgs-portal scalar due to contributions from loops of the conformal sector. Consequently, the shortened lifetime of the dilaton relaxes bounds from $K \to π$ + invisible searches at the NA62 experiment and constraints from the Big Bang Nucleosynthesis. We utilize this fact to search for the dilaton signature at a lepton collider such as the ongoing Belle II experiment. Further, we demonstrate how to extract the CP property of the dilaton using the variation of the differential cross-section of $e^+ e^- \to e^+ e^- ϕ$ with the azimuthal angle between the outgoing leptons.
description: 14 pages, 5 figures
Impact of damping on superconducting gap oscillations induced by intense Terahertz pulses
Creators: name: Cui, Tianbai
name: Yang, Xu
name: Vaswani, Chirag
name: Wang, Jigang
name: Fernandes, Rafael M.
name: Orth, Peter P.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We investigate the interplay between gap oscillations and damping in the dynamics of superconductors taken out of equilibrium by strong optical pulses with sub-gap Terahertz frequencies. A semi-phenomenological formalism is developed to include the damping within the electronic subsystem that arises from effects beyond BCS, such as interactions between Bogoliubov quasiparticles and decay of the Higgs mode. Such processes are conveniently expressed as $T_{1}$ and $T_{2}$ times in the standard pseudospin language for superconductors. Comparing with data on NbN that we report here, we argue that the superconducting dynamics in the picosecond time scale, after the pump is turned off, is governed by the $T_{2}$ process.
description: 5 pages, 3 figures, revised version
PERINATAL MENTAL HEALTH AMONGST SUB-SAHARA AFRICAN WOMEN LIVING IN IN LIVERPOOL, UK: KNOWLEDGE ATTITUDES AND PRACTICE.
Creators: name: Aiyenigba, Abiola O
Publisher: name: figshare
Year: 2018
Subjects: subject: 111704 Community Child Health
subject: FOS: Health sciences
subject: 111707 Family Care
subject: Health Care
subject: 111710 Health Counselling
subject: 111708 Health and Community Services
subject: 111717 Primary Health Care
subject: 110319 Psychiatry (incl. Psychotherapy)
subject: FOS: Clinical medicine
subject: 111716 Preventive Medicine
subject: 110321 Rehabilitation and Therapy (excl. Physiotherapy)
subject: 111799 Public Health and Health Services not elsewhere classified

description: ABSTRACTObjective:To explore the knowledge of and attitudes towards perinatal mental illnesses amongst women of child bearing age within women of Black African ethnic origin residing in Liverpool, UK.Design:This was a qualitative design using semi structured interviews. Data was obtained by audio taping semi structured interviews individually, which was transcribed, verbatim. The data was analysed by thematic framework analysis and findings were condensed into themes and categories.Setting:Participants’ home environment.Participants:(n=7) A sample of 11 participants was recruited for the study. 7 of the participant completed a semi structured interviews and the remaining four participants dropped out of the study for various reasons.Findings:Findings show a general lack of awareness of perinatal mental illnesses. The participants in the study also demonstrated a reluctance to acknowledge psychological distress and to seek help of health professionals.Results also showed the positive and negative impacts of religious belief to health care seeking behaviour of participants in relation to their mental health. From the research it showed that although participant used their religious and faith based knowledge to cope in times of psychological distress, it also delayed their willingness to seek professional help due to perceptions of moral failure.Implication for practise:Findings of this research suggest the need for a holistic approach to providing perinatal mental health care to women of the Black African Community residing in Liverpool.There are also implications for future research into incorporating faith based approaches to managing perinatal mental health within the study population as well as looking into support group for women run by women.
Non-adaptive measurement-based quantum computation on IBM Q
Creators: name: Mackeprang, Jelena
name: Bhatti, Daniel
name: Barz, Stefanie
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We test the quantumness of IBM's quantum computer IBM Quantum System One in Ehningen, Germany. We generate generalised n-qubit GHZ states and measure Bell inequalities to investigate the n-party entanglement of the GHZ states. The implemented Bell inequalities are derived from non-adaptive measurement-based quantum computation (NMQC), a type of quantum computing that links the successful computation of a non-linear function to the violation of a multipartite Bell-inequality. The goal is to compute a multivariate Boolean function that clearly differentiates non-local correlations from local hidden variables (LHVs). Since it has been shown that LHVs can only compute linear functions, whereas quantum correlations are capable of outputting every possible Boolean function it thus serves as an indicator of multipartite entanglement. Here, we compute various non-linear functions with NMQC on IBM's quantum computer IBM Quantum System One and thereby demonstrate that the presented method can be used to characterize quantum devices. We find a violation for a maximum of seven qubits and compare our results to an existing implementation of NMQC using photons.
Spin(7)-Manifolds as Generalized Connected Sums and 3d N=1 Theories
Creators: name: Braun, Andreas P.
name: Schafer-Nameki, Sakura
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: M-theory on compact eight-manifolds with $\mathrm{Spin}(7)$-holonomy is a framework for geometric engineering of 3d $\mathcal{N}=1$ gauge theories coupled to gravity. We propose a new construction of such $\mathrm{Spin}(7)$-manifolds, based on a generalized connected sum, where the building blocks are a Calabi-Yau four-fold and a $G_2$-holonomy manifold times a circle, respectively, which both asymptote to a Calabi-Yau three-fold times a cylinder. The generalized connected sum construction is first exemplified for Joyce orbifolds, and is then used to construct examples of new compact manifolds with $\mathrm{Spin}(7)$-holonomy. In instances when there is a K3-fibration of the $\mathrm{Spin}(7)$-manifold, we test the spectra using duality to heterotic on a $T^3$-fibered $G_2$-holonomy manifold, which are shown to be precisely the recently discovered twisted-connected sum constructions.
description: 49 pages, 4 figures; v2: added references
Confinement from Distance in Metric Space and its Relation to Cosmological Constant
Creators: name: Mohseni, Amineh
name: Torabian, Mahdi
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We argue that, in a theory of quantum gravity, the gauge coupling and the confinement scale of a gauge theory are related to distance in the space of metric configurations, and in turn to the cosmological constant. To support the argument, we compute the gauge kinetic functions in variuos supersymmetric Heterotic and type II string compactifications and show that they depend on distance. According to the swampland program, the distance between two (anti) de Sitter vacua in the space of metric configurations is proportional to the logarithm of the ratio of cosmological constants and thus the confinement scale depends on the value of the cosmological constant. In this framework, for de Sitter space, we revisit the swampland Festina Lente bound and gauge theories in the dark dimension scenario. We show that if the Festina Lente bound is realized in a de Sitter vacuum and dependence on distance is strong enough, it will be realized in vacua with higher cosmological constants. In dark dimension scenario, as the value of cosmological constant is related to the decompactifying dimension, we find that the confinement scale is indeed related to radius of dark dimension. We show that in this scenario the Festina Lente bound holds for the standard model QCD, as well as all confining gauge groups with $N_c\lesssim 10^3$.
description: 20 pages, 2 figures
OPPORTUNITÀ DI USARE LA LS NELLA LEZIONE CLIL: IMPORTANZA, PROBLEMI, SOLUZIONI
Creators: name: COONAN, CARMEL MARY
Publisher: name: Studi di glottodidattica
Year: 2010
Subjects: lingua seconda; lezione CLIL; competenza linguistica; produzione linguistica

description: Studi di glottodidattica, APPRENDERE LE LINGUE CON LA METODOLOGIA CLIL
A search for the associations of distant radio-bright quasars with Abell clusters: an effect of gravitational amplification bias ?
Creators: name: Wu, Xiang-Ping
name: Han, Jinlin
Publisher: name: arXiv
Year: 1994
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The theory predicts that the effect of gravitational lensing by the matter associated with clusters of galaxies can magnify background sources, leading to an enhancement of source number density around foreground clusters of galaxies. We conduct a search for the associations of distant radio-bright quasars with Abell clusters using the 1-Jy and 2-Jy all-sky catalogs. Statistics turns to be very poor on the basis of the 1-Jy sample, which shows no correlations between the distant radio quasars with the foreground Abell clusters above $1σ$ level. However, an apparent association ($>1σ$) of the 2-Jy radio sources with the foreground Abell clusters has been detected on scale of $\sim20$ arcminutes. We point out that this enhancement is unlikely to be produced by the statistical gravitational lensing hypothesis utilizing the matter associated with a population of isolated clusters unless (1)their velocity dispersion is a few times larger than the presently adopted value and/or (2)the intrinsic counts of the radio-bright sources with flux have a steeper slope than the presently observed ones. This indicates that (1)the observed associations, if real, can be the integrated result of all the matter along the line of sight to the distant quasars, namely, the weak lensing effect of clusters of galaxies that trace large-scale structures of the universe, and/or (2)the number counts of the radio-bright sources have been seriously contaminated by lensing.
description: 10 pages Latex style, 3 figures available on request from X.P. Wu (wxp@bao01.bao.ac.cn), MNRAS in press
Risk aversion can promote cooperation
Creators: name: Armas, Jay
name: Merbis, Wout
name: Meylahn, Janusz
name: Rad, Soroush Rafiee
name: del Razo, Mauricio J.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Theoretical Economics (econ.TH)
subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: FOS: Physical sciences
subject: FOS: Economics and business

description: Cooperative dynamics are central to our understanding of many phenomena in living and complex systems. However, we lack a universal mechanism to explain the emergence of cooperation. We present a novel framework for modelling social dilemma games with an arbitrary number of players by combining reaction networks, methods from quantum mechanics applied to stochastic complex systems, game theory and stochastic simulations of molecular reactions. Using this framework, we propose a novel and robust mechanism for cooperation based on risk aversion that leads to cooperative behaviour in population games. Rather than individuals seeking to maximise payouts in the long run, individuals seek to obtain a minimum set of resources with a given level of confidence and in a limited time span. We show that this mechanism can lead to the emergence of new equilibria in a range of social dilemma games.
description: 37 pages, 17 figures
Direct observation of altermagnetic band splitting in CrSb thin films
Creators: name: Reimers, Sonka
name: Odenbreit, Lukas
name: Smejkal, Libor
name: Strocov, Vladimir N.
name: Constantinou, Procopios
name: Hellenes, Anna Birk
name: Ubiergo, Rodrigo Jaeschke
name: Campos, Warlley H.
name: Bharadwaj, Venkata K.
name: Chakraborty, Atasi
name: Denneulin, Thiboud
name: Shi, Wen
name: Dunin-Borkowski, Rafal E.
name: Das, Suvadip
name: Kläui, Mathias
name: Sinova, Jairo
name: Jourdan, Martin
Publisher: name: arXiv
Year: 2023
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Altermagnetism represents an emergent collinear magnetic phase with compensated order and an unconventional alternating even-parity wave spin order in the non-relativistic band structure. We investigate directly this unconventional band splitting near the Fermi energy through spinintegrated soft X-ray angular resolved photoemission spectroscopy. The experimentally obtained angle-dependent photoemission intensity, acquired from epitaxial thin films of the predicted altermagnet CrSb, demonstrates robust agreement with the corresponding band structure calculations. In particular, we observe the distinctive splitting of an electronic band on a low-symmetry path in the Brilliouin zone that connects two points featuring symmetry-induced degeneracy. The measured large magnitude of the spin splitting of approximately 0.6 eV and the position of the band just below the Fermi energy underscores the signifcance of altermagnets for spintronics based on robust broken time reversal symmetry responses arising from exchange energy scales, akin to ferromagnets, while remaining insensitive to external magnetic fields and possessing THz dynamics, akin to antiferromagnets.
description: 13 pages, 9 figures (including supplementary information)
Correlation functions of the One-Dimensional Random Field Ising Model at Zero Temperature
Creators: name: Farhi, Edward
name: Gutmann, Sam
Publisher: name: arXiv
Year: 1993
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Condensed Matter (cond-mat)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We consider the one-dimensional random field Ising model, where the spin-spin coupling, $J$, is ferromagnetic and the external field is chosen to be $+h$ with probability $p$ and $-h$ with probability $1-p$. At zero temperature, we calculate an exact expression for the correlation length of the quenched average of the correlation function $\langle s_0 s_n \rangle - \langle s_0 \rangle \langle s_n \rangle$ in the case that $2J/h$ is not an integer. The result is a discontinuous function of $2J/h$. When $p = {1 \over 2}$, we also place a bound on the correlation length of the quenched average of the correlation function $\langle s_0 s_n \rangle$.
description: 12 pages (Plain TeX with one PostScript figure appended at end), MIT CTP #2202
A signature invariant for knotted Klein graphs
Creators: name: Gille, Catherine
name: Robert, Louis-Hadrien
Publisher: name: arXiv
Year: 2018
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 57M25, 57M27, 57M15, 57M12, 05C10

description: We define some signature invariants for a class of knotted trivalent graphs using branched covers. We relate them to classical signatures of knots and links. Finally, we explain how to compute these invariants through the example of Kinoshita's knotted theta graph.
description: 23 pages, many figures. Comments welcome ! Historical inaccuracy fixed
LA DIDATTICA DELLE LINGUE IN LINGUA STRANIERA: RESOCONTO DI UN’ESPERIENZA IN AMBIENTE UNIVERSITARIO
Creators: name: DI SABATO, BRUNA
Publisher: name: Studi di glottodidattica
Year: 2010
Subjects: lingua veicolare didattica; modulo; università

description: Studi di glottodidattica, APPRENDERE LE LINGUE CON LA METODOLOGIA CLIL
Dimensionally Regulated One-Loop Integrals
Creators: name: Bern, Z.
name: Dixon, L.
name: Kosower, D. A.
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We describe methods for evaluating one-loop integrals in $4-2\e$ dimensions. We give a recursion relation that expresses the scalar $n$-point integral as a cyclicly symmetric combination of $(n-1)$-point integrals. The computation of such integrals thus reduces to the calculation of box diagrams ($n=4$). The tensor integrals required in gauge theory may be obtained by differentiating the scalar integral with respect to certain combinations of the kinematic variables. Such relations also lead to differential equations for scalar integrals. For box integrals with massless internal lines these differential equations are easy to solve.
description: 13 pages, SLAC-PUB-6001 (T), CERN-TH.6756/92, UCLA/92/42
Coarse-grained crystal graph neural networks for reticular materials design
Creators: name: Korolev, Vadim
name: Mitrofanov, Artem
Publisher: name: arXiv
Year: 2023
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Reticular materials, including metal-organic frameworks and covalent organic frameworks, combine relative ease of synthesis and an impressive range of applications in various fields, from gas storage to biomedicine. Diverse properties arise from the variation of building units$\unicode{x2013}$metal centers and organic linkers$\unicode{x2013}$in almost infinite chemical space. Such variation substantially complicates experimental design and promotes the use of computational methods. In particular, the most successful artificial intelligence algorithms for predicting properties of reticular materials are atomic-level graph neural networks, which optionally incorporate domain knowledge. Nonetheless, the data-driven inverse design involving these models suffers from incorporation of irrelevant and redundant features such as full atomistic graph and network topology. In this study, we propose a new way of representing materials, aiming to overcome the limitations of existing methods; the message passing is performed on a coarse-grained crystal graph that comprises molecular building units. To highlight the merits of our approach, we assessed predictive performance and energy efficiency of neural networks built on different materials representations, including composition-based and crystal-structure-aware models. Coarse-grained crystal graph neural networks showed decent accuracy at low computational costs, making them a valuable alternative to omnipresent atomic-level algorithms. Moreover, the presented models can be successfully integrated into an inverse materials design pipeline as estimators of the objective function. Overall, the coarse-grained crystal graph framework is aimed at challenging the prevailing atom-centric perspective on reticular materials design.
description: 19 pages, 5 figures
Perturbation theories behind thermal mode spectroscopy for high-accuracy measurement of thermal diffusivity of solids
Creators: name: Ishida, Hideshi
name: Ogi, Hirotsugu
Publisher: name: arXiv
Year: 2018
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Thermal mode spectroscopy (TMS) has been recently proposed for accurately measuring thermal diffusivity of solids from a temperature decay rate of a specific thermal mode selected by three- dimensional (anti)nodal information [Phys. Rev. Lett., 117, 195901 (2016)]. In this paper, we find out the following advantages of TMS by use of perturbation analyses. First, TMS is applicable to the measurement of high thermal diffusivity with a small size specimen. Second, it is less affected by thermally resistive films on a specimen in the sense that the resistance at the interface does not affect the first-order correction of thermal diffusivity. Third, it can perform doubly accurate measurement of the thermal diffusivity specified at a thermal equilibrium state even if the diffusivity depends on temperature in the sense that the measurement can be performed within tiny temperature difference from the given state and that the decay rate of the slowest decaying mode is not affected by the dependence.
description: 17 pages, 6 figures
Universality of the quantum energy flux at the inner horizon of asymptotically de Sitter black holes
Creators: name: Hintz, Peter
name: Klein, Christiane
Publisher: name: arXiv
Year: 2023
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Recently, it was found that the energy flux of a free scalar quantum field on a Reissner-Nordström-de Sitter spacetime has a quadratic divergence towards the inner horizon of the black hole. Moreover, the leading divergence was found to be state independent as long as the spectral gap of the wave equation on the spacetime is sufficiently large. In this work, we show that the latter result can be extended to all subextremal Reissner-Nordström-de Sitter and subextremal Kerr-de Sitter spacetimes with a positive spectral gap.
description: 26 pages, 4 figures, Conclusion section added and typos corrected, version as published in CQG
Hawking Radiation via Higher-spin Gauge Anomalies
Creators: name: Iso, Satoshi
name: Morita, Takeshi
name: Umetsu, Hiroshi
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We give a higher-spin generalization of the anomaly method for the Hawking radiation from black holes. In the paper arXiv:0710.0453 higher-spin generalizations of the gauge (and gravitational) anomalies in d=2 were obtained. By applying these anomalies to black hole physics, we derive the higher moments of the Hawking fluxes. We also give a higher-spin generalization of the trace anomaly method by Christensen and Fulling.
description: 18 pages, some corrections in equations
FARE CLIL ALLA SCUOLA MEDIA UN PERCORSO LONGITUDINALE INNOVATIVO
Creators: name: JAMET, MARIE-CHRISTINE
Publisher: name: Studi di glottodidattica
Year: 2010
Subjects: CLIL; scuola secondaria; storia e geografia; modulo

description: Studi di glottodidattica, APPRENDERE LE LINGUE CON LA METODOLOGIA CLIL
The Virtual Quantum Device (VQD): A tool for detailed emulation of quantum computers
Creators: name: Gustiani, Cica
name: Jones, Tyson
name: Benjamin, Simon C.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present the Virtual Quantum Device (VQD) platform, a system based on the QuEST quantum emulator. Through the use of VQDs, non-expert users can emulate specific quantum computers with detailed error models, bespoke gate sets and connectivities. The platform boasts an intuitive interface, powerful visualisation, and compatibility with high-performance computation for effective testing and optimisation of complex quantum algorithms or ideas across a range of quantum computing hardware. We create and explore five families of VQDs corresponding to trapped ions, nitrogen-vacancy-centres, neutral atom arrays, silicon quantum dot spins, and superconducting devices. Each is highly configurable through a set of tailored parameters. We showcase the key characteristics of each virtual device, providing practical examples of the tool's usefulness and highlighting each device's specific attributes. By offering user-friendly encapsulated descriptions of diverse quantum hardware, the VQD platform offers researchers the ability to rapidly explore algorithms and protocols in a realistic setting; meanwhile hardware experts can create their own VQDs to compare with their experiments.
description: 22 pages, 18 figures, updates for Quantum
Effects of warming and nitrogen addition on nutrient resorption efficiency in an alpine meadow on the northern Tibetan Plateau
Creators: name: Zong, Ning
name: Peili Shi
name: Chai, Xi
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biochemistry
subject: Molecular Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: Plant Biology

description: The increase in two controversial global environmental issues, climate warming and nitrogen (N) deposition, may have distinct effects on the processes and functioning of terrestrial ecosystems. Nutrient resorption is an important determinant of plant community nutrient dynamics, especially in nutrient-limited ecosystems, but information about N and phosphorus (P) resorption in alpine ecosystems is still lacking. A long-term simulated warming and exogenous N addition experiment initiated in July 2010 was conducted in an alpine meadow in Damxung County in northern Tibet. The experiment consisted of conditions of warming and no warming crossed with three N addition levels: 0 (CK), 20 (N20), and 40 (N40) kg N · ha−1 · year−1. With increasing N addition levels, the N content and the N/P ratio in plant leaves gradually increased, while the P limitation of plant growth was aggravated by N addition. The moderate N addition level (N20) increased plant N resorption efficiency (NRE), while the high N addition level (N40) had no effect on the NRE of Kobresia pygmaea or Anaphalis xylorhiza. N addition significantly increased the P resorption efficiency (PRE) in Stipa capillacea leaves. However, N addition did not change the community NRE or the community PRE. The soil N content decreased under the warming treatment. At the community level, warming significantly increased the NRE by 12% and 16%, and the PRE by 26% and 24% under the CK and N40 treatments, respectively. The NRE and PRE were higher in S. capillacea than in K. pygmaea and A. xylorhiza, especially at the high N addition level (38% and 45% higher NRE and 36% and 15% higher PRE compared to K. pygmaea and A. xylorhiza, respectively). Correlation analysis showed that the NRE and PRE in plant leaves were mainly mediated by soil inorganic N availability, and tended to decrease with increase of soil N availability, suggesting that N loss due to warming could induce changes in nutrient resorption in alpine ecosystems. The species-specific responses to N addition and the stronger competitive advantage of S. capillacea may change the community structure and subsequently affect the decomposition process in this alpine meadow under future global climate change scenarios.