cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The Trithorax group protein ASH1 requires a combination of BAH domain and AT hooks, but not the SET domain, for mitotic chromatin binding and survival
Creators: name: Steffen, Philipp
name: Altmutter, Christina
name: Dworschak, Eva
name: Junttila, Sini
name: Gyenesei, Attila
name: Zhu, Xinzhou
name: Kockmann, Tobias
name: Ringrose, Leonie
Publisher: name: Humboldt-Universität zu Berlin
Year: 2021
Subjects: subject: ASH1
subject: Trithorax
subject: Chromatin
subject: Drosophila
subject: Mitosis
subject: 570 Biologie

description: The Drosophila Trithorax group (TrxG) protein ASH1 remains associated with mitotic chromatin through mechanisms that are poorly understood. ASH1 dimethylates histone H3 at lysine 36 via its SET domain. Here, we identify domains of the TrxG protein ASH1 that are required for mitotic chromatin attachment in living Drosophila. Quantitative live imaging demonstrates that ASH1 requires AT hooks and the BAH domain but not the SET domain for full chromatin binding in metaphase, and that none of these domains are essential for interphase binding. Genetic experiments show that disruptions of the AT hooks and the BAH domain together, but not deletion of the SET domain alone, are lethal. Transcriptional profiling demonstrates that intact ASH1 AT hooks and the BAH domain are required to maintain expression levels of a specific set of genes, including several involved in cell identity and survival. This study identifies in vivo roles for specific ASH1 domains in mitotic binding, gene regulation, and survival that are distinct from its functions as a histone methyltransferase.
Single Top Production as a Probe of B-prime Quarks
Creators: name: Nutter, Joseph
name: Schwienhorst, Reinhard
name: Walker, Devin G. E.
name: Yu, Jiang-Hao
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We show how single top production at the LHC can be used to discover (and characterize the couplings of) B' quarks, which are an essential part of many natural models of new physics beyond the Standard Model. We present the B' effective model and concentrate on resonant production via a colored anomalous magnetic moment. Generally, B's preferentially decay into a single top quark produced in association with a W boson; thus, this production process makes associated single top production essential to B' searches at the LHC. We demonstrate the background processes are manageable and the signal cross section is sufficient to yield a large signal significance even during the 7 TeV LHC run. Specifically, we show that B' masses of 700 GeV or more can be probed. Moreover, if a B' is found, then the chirality of its coupling can be determined. Finally, we present signal cross sections for several different LHC energies.
description: 19 pages, 7 figures, 1 table
Fuzzy Monte Carlo Agent-Based Simulation of Construction Crew Performance
Creators: Raoufi, Mohammad
Fayek, Aminah Robinson
Publisher: name: University of Alberta Library
Year: 2020

The use of agent-based modeling (ABM) in the analysis of construction processes and practices has increased significantly over the last decade. However, the developed models are not able to address both random and subjective uncertainties that exist in many construction processes and practices. Monte Carlo simulation is able to account for random uncertainty, and fuzzy logic is able to account for the subjective uncertainty that exists in model variables and relationships. In this paper, a methodology for the development of fuzzy Monte Carlo agent-based models in construction is provided, and its application is illustrated through the development of a model of construction crew performance. This paper makes three contributions: first, it expands ABM’s scope of applicability by showing how to model both random and subjective uncertainty in ABM; second, it provides a novel methodology for integrating fuzzy logic and Monte Carlo simulation in ABM, which allows for the development of fuzzy Monte Carlo agent-based models in construction; and third, it illustrates a fuzzy Monte Carlo agent-based simulation of construction crew performance, which improves the assessment of crew performance by considering both random and subjective uncertainties in model variables.
First-principles investigation of incipient ferroelectric trends of rutile TiO$_2$ in bulk and at the (110) surface
Creators: name: Grünebohm, Anna
name: Entel, Peter
name: Ederer, Claude
Publisher: name: arXiv
Year: 2012
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The ferroelectric trends of rutile (TiO$_2$) in bulk and at the (110) surface are investigated by means of ab initio density functional theory. We discuss the underlying mechanism of the incipient ferroelectric behavior of rutile in terms of Born effective charges, which we decompose in individual contributions by means of maximally localized Wannier functions. We show that a ferroelectric phase can be stabilized for a variety of different lattice distortions which all enlarge the shortest Ti-O distance, even if the longer apical Ti-O bond is simultaneously shortened. At the (110) surface, the ferroelectric trends are modified compared to the bulk, but nevertheless ferroelectric phases with large polarization even in the topmost surface layer can be stabilized by uniaxial strain.
description: 15 pages, 11 figures
Federated Meta Learning Enhanced Acoustic Radio Cooperative Framework for Ocean of Things Underwater Acoustic Communications
Creators: name: Zhao, Hao
name: Ji, Fei
name: Guan, Quansheng
name: Li, Qiang
name: Wang, Shuai
name: Dong, Hefeng
name: Wen, Miaowen
Publisher: name: arXiv
Year: 2021
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Sixth-generation wireless communication (6G) will be an integrated architecture of "space, air, ground and sea". One of the most difficult part of this architecture is the underwater information acquisition which need to transmitt information cross the interface between water and air.In this senario, ocean of things (OoT) will play an important role, because it can serve as a hub connecting Internet of things (IoT) and Internet of underwater things (IoUT). OoT device not only can collect data through underwater methods, but also can utilize radio frequence over the air. For underwater communications, underwater acoustic communications (UWA COMMs) is the most effective way for OoT devices to exchange information, but it is always tormented by doppler shift and synchronization errors. In this paper, in order to overcome UWA tough conditions, a deep neural networks based receiver for underwater acoustic chirp communication, called C-DNN, is proposed. Moreover, to improve the performance of DL-model and solve the problem of model generalization, we also proposed a novel federated meta learning (FML) enhanced acoustic radio cooperative (ARC) framework, dubbed ARC/FML, to do transfer. Particularly, tractable expressions are derived for the convergence rate of FML in a wireless setting, accounting for effects from both scheduling ratio, local epoch and the data amount on a single node.From our analysis and simulation results, it is shown that, the proposed C-DNN can provide a better BER performance and lower complexity than classical matched filter (MF) in underwater acoustic communications scenario. The ARC/FML framework has good convergence under a variety of channels than federated learning (FL). In summary, the proposed ARC/FML for OoT is a promising scheme for information exchange across water and air.
Landis-type conjecture for the half-Laplacian
Creators: name: Kow, Pu-Zhao
name: Wang, Jenn-Nan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: Primary: 35A02, 35B40, 35R11. Secondary: 35J05, 35J15

description: In this paper, we study the Landis-type conjecture, i.e., unique continuation property from infinity, of the fractional Schrödinger equation with drift and potential terms. We show that if any solution of the equation decays at a certain exponential rate, then it must be trivial. The main ingredients of our proof are the Caffarelli-Silvestre extension and Armitage's Liouville-type theorem.
Berkovich spaces embed in Euclidean spaces
Creators: name: Hrushovski, Ehud
name: Loeser, François
name: Poonen, Bjorn
Publisher: name: arXiv
Year: 2012
Subjects: subject: Algebraic Geometry (math.AG)
subject: General Topology (math.GN)
subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 14G22 (Primary) 54F50 (Secondary)

description: Let K be a field that is complete with respect to a nonarchimedean absolute value such that K has a countable dense subset. We prove that the Berkovich analytification V^an of any d-dimensional quasi-projective scheme V over K embeds in R^{2d+1}. If, moreover, the value group of K is dense in R_{>0} and V is a curve, then we describe the homeomorphism type of V^an by using the theory of local dendrites.
description: 15 pages
Predstavitev projekta RM ROADMAP
Creators: name: Baloh, Vanda
Publisher: name: Zenodo
Year: 2023

description: Predstavitev v okviru Srečanja projektnih konzorcijev izbranih na Javnem razpisu »Aktivnosti krepitve projektnih pisarn JRO« v okviru NOO z izmenjavo dobrih praks, ki ga je 13. 06. 2023 organizirala Univerza v Ljubljani.
Thermal superconducting quantum interference proximity transistor
Creators: name: Ligato, Nadia
name: Paolucci, Federico
name: Strambini, Elia
name: Giazotto, Francesco
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Superconductors are known to be excellent thermal insulators at low temperature owing to the presence of the energy gap in their density of states (DOS). In this context, the superconducting \textit{proximity effect} allows to tune the local DOS of a metallic wire by controlling the phase bias ($φ$) imposed across it. As a result, the wire thermal conductance can be tuned over several orders of magnitude by phase manipulation. Despite strong implications in nanoscale heat management, experimental proofs of phase-driven control of thermal transport in superconducting proximitized nanostructures are still very limited. Here, we report the experimental demonstration of efficient heat current control by phase tuning the superconducting proximity effect. This is achieved by exploiting the magnetic flux-driven manipulation of the DOS of a quasi one-dimensional aluminum nanowire forming a weal-link embedded in a superconducting ring. Our thermal superconducting quantum interference transistor (T-SQUIPT) shows temperature modulations up to $\sim 16$ mK yielding a temperature-to-flux transfer function as large as $\sim 60$ mK/$Φ_0$. Yet, phase-slip transitions occurring in the nanowire Josephson junction induce a hysteretic dependence of its local DOS on the direction of the applied magnetic field. Thus, we also prove the operation of the T-SQUIPT as a phase-tunable \textit{thermal memory}, where the information is encoded in the temperature of the metallic mesoscopic island. Besides their relevance in quantum physics, our results are pivotal for the design of innovative coherent caloritronics devices such as heat valves and temperature amplifiers suitable for thermal logic architectures.
description: 15 pages, 10 figures
Cross-Referencing Method for Scalable Public Blockchain
Creators: name: Yanagihara, Takaaki
name: Fujihara, Akihiro
Publisher: name: arXiv
Year: 2021
Subjects: subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: We previously proposed a cross-referencing method for enabling multiple peer-to-peer network domains to manage their own public blockchains and periodically exchanging the state of the latest fixed block in the blockchain with hysteresis signatures among all the domains via an upper network layer. In this study, we evaluated the effectiveness of our method from three theoretical viewpoints: decentralization, scalability, and tamper resistance. We show that the performance of the entire system can be improved because transactions and blocks are distributed only inside the domain. We argue that the transaction processing capacity will increase to 56,000 transactions per second, which is as much as that of a VISA credit card system. The capacity is also evaluated by multiplying the number of domains by the average reduction in transaction-processing time due to the increase in block size and reduction in the block-generation-time interval by domain partition. For tamper resistance, each domain has evidence of the hysteresis signatures of the other domains in the blockchain. We introduce two types of tamper-resistance-improvement ratios as evaluation measures of tamper resistance for a blockchain and theoretically explain how tamper resistance is improved using our cross-referencing method. With our method, tamper resistance improves as the number of domains increases. The proposed system of 1,000 domains are 3-10 times more tamper-resistant than that of 100 domains, and the capacity is 10 times higher. We conclude that our method enables a more scalable and tamper-resistant public blockchain balanced with decentralization.
description: (29 pages, 18 figures, Internet of Things 15 (2021) 100419)
Probing Virtual ALPs by Precision Phase Measurements: Time-Varying Magnetic Field Background
Creators: name: Sharifian, Mohammad
name: Zarei, Moslem
name: Abdi, Mehdi
name: Peloso, Marco
name: Matarrese, Sabino
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We propose an experimental scheme for detecting the effects of off-shell axion-like particles (ALPs) through optical cavities. In this proposed experiment, linearly polarized photons are pumped into an optical cavity where an external time-dependent magnetic field is present. The magnetic field mediates an interaction between the cavity photons and ALPs giving rise to a modification in the phase of the cavity photons. The time-dependent nature of the external magnetic field prompts a novel amplification effect which significantly enhances this phase modification. A detection scheme is then proposed to identify such axion-induced phase shifts. We find that the phase modification is considerably sensitive to the photon-ALPs coupling constants $g_{aγγ}$ for the range of ALPs mass $3.1\:μ\textrm{eV}\leqslant m_a \leqslant 44.4\:μ\textrm{eV}$.
description: 26 pages, 8 figures
Rank 4 Nichols Algebras of Pale Braidings
Creators: name: Andruskiewitsch, Nicolás
name: Angiono, Iván
name: Giusti, Matías Moya
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Algebra (math.QA)
subject: Rings and Algebras (math.RA)
subject: FOS: Mathematics
subject: 16T05

description: We classify finite GK-dimensional Nichols algebras ${\mathscr B}(V)$ of rank 4 such that $V$ arises as a Yetter-Drinfeld module over an abelian group but it is not a direct sum of points and blocks.
Study of light tetraquark spectroscopy
Creators: name: Zhao, Zheng
name: Xu, Kai
name: Kaewsnod, Attaphon
name: Liu, Xuyang
name: Limphirat, Ayut
name: Yan, Yupeng
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We calculate the masses of the $qq\bar q\bar q$ tetraquark ground state and first radial excited state in a constituent quark model where the Cornell-like potential and one-gluon exchange spin-spin coupling are employed. The three coupling parameters for the Cornell-like potential and one-gluon exchange spin-spin coupling are proposed mass-dependent in accordance with Lattice QCD data, and all model parameters are predetermined by studying light, charmed and bottom mesons. The theoretical predictions for light tetraquarks are compared with the observed exotic meson states in the light-unflavored meson sector, and tentative assignments are suggested. The work suggests that the $f_0(1500)$ and $f_0(1710)$ might be ground light tetraquark states with $J=0$.
Evolution along the sequence of S0 Hubble types induced by dry minor mergers. I - Global bulge-to-disk structural relations
Creators: name: Eliche-Moral, M. Carmen
name: Gonzalez-Garcia, A. Cesar
name: Aguerri, J. Alfonso L.
name: Gallego, Jesus
name: Zamorano, Jaime
name: Balcells, Marc
name: Prieto, Mercedes
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Recent studies have argued that galaxy mergers are not important drivers for the evolution of S0's, on the basis that mergers cannot preserve the coupling between the bulge and disk scale-lengths observed in these galaxies and the lack of correlation of their ratio with the S0 Hubble type. We investigate whether the remnants resulting from collision-less N-body simulations of intermediate and minor mergers onto S0 galaxies evolve fulfilling global structural relations observed between the bulges and disks of these galaxies. Different initial bulge-to-disk ratios of the primary S0 have been considered, as well as different satellite densities, mass ratios, and orbits of the encounter. We have analysed the final morphology of the remnants in images simulating the typical observing conditions of S0 surveys. We derive bulge+disk decompositions of the final remnants to compare their global bulge-to-disk structure with observations. We show that all remnants present undisturbed S0 morphologies according to the prescriptions of specialized surveys. The dry intermediate and minor mergers induce noticeable bulge growth (S0c --> S0b and S0b --> S0a), but affect negligibly to the bulge and disk scale-lengths. Therefore, if a coupling between these two components exists prior to the merger, the encounter does not break this coupling. This fact provides a simple explanation for the lack of correlation between the ratio of bulge and disk scale-lengths and the S0 Hubble type reported by observations. These models prove that dry intermediate and minor mergers can induce global structural evolution within the sequence of S0 Hubble types compatible with observations, meaning that these processes should not be discarded from the evolutionary scenarios of S0's just on the basis of the strong coupling observed between the bulge and disk scale-lengths in these galaxies (abridged).
description: Accepted for publication in Astronomy & Astrophysics, 12 pages, 11 figures. Definitive version after proofs. Corrected typo in the legend of Fig. 2. Definitive version of Fig. 7 (pending copyright implications in the previous version). Added references and corrected typos
Magnetic field induced valence band mixing in [111] grown semiconductor quantum dots
Creators: name: Durnev, M. V.
name: Glazov, M. M.
name: Ivchenko, E. L.
name: Jo, M.
name: Mano, T.
name: Kuroda, T.
name: Sakoda, K.
name: Kunz, S.
name: Sallen, G.
name: Bouet, L.
name: Marie, X.
name: Lagarde, D.
name: Amand, T.
name: Urbaszek, B.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We present a microscopic theory of the magnetic field induced mixing of heavy-hole states +/- 3/2 in GaAs droplet dots grown on (111)A substrates. The proposed theoretical model takes into account the striking dot shape with trigonal symmetry revealed in atomic force microscopy. Our calculations of the hole states are carried out within the Luttinger Hamiltonian formalism, supplemented with allowance for the triangularity of the confining potential. They are in quantitative agreement with the experimentally observed polarization selection rules, emission line intensities and energy splittings in both longitudinal and transverse magnetic fields for neutral and charged excitons in all measured single dots.
description: 11 pages, 6 figures
CAUSAS E CAUSOS
Creators: name: Santana, José Cláudio Pavão
Publisher: name: Zenodo - Cadernos da Pena do Pavao
Year: 2023

description: Ano 09 – vol. 07 – n. 56/2021
O que me move a escrever sobre este assunto é a imensa e infrutífera discussão sobre um debate que melhor espaço ocuparia em um ponto de recolhimento de resíduos sólidos da prefeitura de São Luís: a estátua.
Measurement of Z boson Production in Pb+Pb Collisions at sqrt(s_NN)=2.76 TeV with the ATLAS Detector
Creators: name: ATLAS Collaboration
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The ATLAS experiment has observed 1995 Z boson candidates in data corresponding to 0.15 inverse nb of integrated luminosity obtained in the 2011 LHC Pb+Pb run at sqrt(s_NN)=2.76 TeV. The Z bosons are reconstructed via di-electron and di-muon decay channels, with a background contamination of less than 3%. Results from the two channels are consistent and are combined. Within the statistical and systematic uncertainties, the per-event Z boson yield is proportional to the number of binary collisions estimated by the Glauber model. The elliptic anisotropy of the azimuthal distribution of the Z boson with respect to the event plane is found to be consistent with zero.
description: 5 pages plus author list (19 pages total), 5 figures, submitted to Phys. Rev. Letters
Prevalence of Internet Addiction and Its Associated Risk Factors among Medical Students: A Cross-Sectional Study
Creators: name: Mohamed, Khalid Osman
Publisher: name: OSF Registries
Year: 2023
Subjects: subject: Medicine and Health Sciences

description: • Introduction Internet addiction (IA) has been studied extensively and shown to have adverse social, psychological, and functional consequences. This has become a global health issue, particularly among young adults. Unfortunately, few studies have been conducted among medical students in Sudan. This study aimed to measure the prevalence of internet addiction and determine its associated risk factors among medical students. • Methods This cross-sectional study was conducted among medical students at the National University using a systematic sampling technique. An online structured questionnaire was used, which included sociodemographic data and the Internet Addiction Test (IAT) to assess the presence and severity of IA, as well as the Kessler Questionnaire to assess psychological distress. • Results Of 307 medical students participating in this study, 63.8% were female. The majority (78.5%) were aged 18–22 years, and the prevalence of internet addiction was 75.5% (n = 232). The Addiction levels were as follows: mild,39.7%; moderate, 33.2%; and severe, 2.6%. Multivariate regression analysis revealed that being a female medical student was associated with 1.9 times Internet addiction (OR = 1.87, p = 0.033). Psychological distress was associated with a 6.368-fold higher risk of internet addiction compared to non-distressed students (OR = 6.368, p = 0.000). Additionally, students in the clinical years had a lower risk of internet addiction, specifically the fourth and fifth years (OR = 0.325, p = 0.010; OR = 0.398, p = 0.043, respectively). • Conclusion Internet addiction is highly prevalent among medical students at the National University and is associated with female gender and psychological distress. Medical students in their fourth and fifth years showed a lower prevalence of internet addiction. Effective intervention strategies are needed to help students reduce their internet use and improve their mental health.
Modeling chronic pain experiences from online reports using the Reddit Reports of Chronic Pain dataset
Creators: name: Nunes, Diogo A. P.
name: Ferreira-Gomes, Joana
name: Neto, Fani
name: de Matos, David Martins
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computation and Language (cs.CL)
subject: Information Retrieval (cs.IR)
subject: Social and Information Networks (cs.SI)
subject: Quantitative Methods (q-bio.QM)
subject: FOS: Computer and information sciences
subject: FOS: Biological sciences
subject: I.2.7; I.5.3; I.5.4; J.3; J.4

description: Objective: Reveal and quantify qualities of reported experiences of chronic pain on social media, from multiple pathological backgrounds, by means of the novel Reddit Reports of Chronic Pain (RRCP) dataset, using Natural Language Processing techniques. Materials and Methods: Define and validate the RRCP dataset for a set of subreddits related to chronic pain. Identify the main concerns discussed in each subreddit. Model each subreddit according to their main concerns. Compare subreddit models. Results: The RRCP dataset comprises 86,537 Reddit submissions from 12 subreddits related to chronic pain (each related to one pathological background). Each RRCP subreddit has various main concerns. Some of these concerns are shared between multiple subreddits (e.g., the subreddit Sciatica semantically entails the subreddit backpain in their various concerns, but not the other way around), whilst some concerns are exclusive to specific subreddits (e.g., Interstitialcystitis and CrohnsDisease). Discussion: These results suggest that the reported experience of chronic pain, from multiple pathologies (i.e., subreddits), has concerns relevant to all, and concerns exclusive to certain pathologies. Our analysis details each of these concerns and their similarity relations. Conclusion: Although limited by intrinsic qualities of the Reddit platform, to the best of our knowledge, this is the first research work attempting to model the linguistic expression of various chronic pain-inducing pathologies and comparing these models to identify and quantify the similarities and differences between the corresponding emergent chronic pain experiences.
description: 24 pages, 26 figures, 8 tables
Radiative cooling implementations in simulations of primordial star formation
Creators: name: Hirano, Shingo
name: Yoshida, Naoki
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We study the thermal evolution of primordial star-forming gas clouds using three-dimensional cosmological simulations. We critically examine how assumptions and approximations made in calculating radiative cooling rates affect the dynamics of the collapsing gas clouds. We consider two important molecular hydrogen cooling processes that operate in a dense primordial gas; H_2 line cooling and continuum cooling by H_2 collision-induced emission. To calculate the optically thick cooling rates, we follow the Sobolev method for the former, whereas we perform ray-tracing for the latter. We also run the same set of simulations using simplified fitting functions for the net cooling rates. We compare the simulation results in detail. We show that the time- and direction-dependence of hydrodynamic quantities such as gas temperature and local velocity gradients significantly affects the optically thick cooling rates. Gravitational collapse of the cloud core is accelerated when the cooling rates are calculated by using the fitting functions. The structure and evolution of the central pre-stellar disk are also affected. We conclude that physically motivated implementations of radiative transfer are necessary to follow accurately the thermal and chemical evolution of a primordial gas to high densities.
description: 25 pages, 12 figures, To appear in ApJ
Predstavitev konzorcija in projektnih aktivnosti projekta ROAD3P
Creators: name: Horvat, Petra
Publisher: name: Zenodo
Year: 2023

description: Predstavitev v okviru Srečanja projektnih konzorcijev izbranih na Javnem razpisu »Aktivnosti krepitve projektnih pisarn JRO« v okviru NOO z izmenjavo dobrih praks, ki ga je 13. 06. 2023 organizirala Univerza v Ljubljani.
Determination of parameters of a potential model for tetraquark study by studying all S-wave mesons
Creators: name: Zhao, Zheng
name: Xu, Kai
name: Kaewsnod, Attaphon
name: Liu, Xuyang
name: Limphirat, Ayut
name: Yan, Yupeng
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The masses of low-lying S-wave mesons are evaluated in a constituent quark model (CQM) where the Cornell-like potential and one-gluon exchange spin-spin interaction are employed. To make the model applicable to both the light and heavy quark sectors, we introduce mass-dependent coupling coefficients. There are four free parameters in the model, which are determined by comparing the theoretical results with experimental data. The established model with one set of parameters may be applied to study higher excited meson states as well as multiquark systems in both the light and heavy quark sectors.
Does pleasantness affect the grammatical brain? An ERP study on individual differences
Creators: name: Padrón, I.
name: Fraga, I.
name: Poch, C.
name: Vieitez, L.
name: Hinojosa, J. A.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Neuroscience
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy
subject: Mental Health

description: This ERP study used a grammaticality judgement task to analyse the interface between morphosyntactic and affective processing, as well as the modulatory role of individual differences. Participants (mostly women) were presented with Spanish noun phrases (Determiner + Noun + Adjective) in which the noun and the adjective (pleasant or neutral) either agreed or not in gender. Results confirm previous evidence on the existence of two main dominance brain patterns: negative (people showing LAN effects) and positive (people showing P600 effects). They also reveal that the individuals with a negative profile temporarily prioritised grammatical processing over affective processing while the individuals with a positive profile prioritised emotionality over grammaticality. Crucially, interactive effects between these two factors did not emerge in either group or time window. This lack of interaction contradicts previous evidence on unpleasant words. The present findings highlight the relevance of individual differences and word valence in gender agreement processing.
Bidirectional optical non-reciprocity in a multi-mode cavity optomechanical system
Creators: name: Ullah, Muhib
name: Yang, Xihua
name: Wang, Li-Gang
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Optical non-reciprocity, a phenomenon that allows unidirectional flow of optical field is pivoted on the time reversal symmetry breaking. The symmetry breaking happens in the cavity optomechanical system (COS) due to non uniform radiation pressure as a result of light-matter interaction, and is crucial in building non-reciprocal optical devices. In our proposed COS, we study the non-reciprocal transport of optical signals across two ports via three optical modes optomechanically coupled to the mechanical excitations of two nano-mechanical resonators (NMRs) under the influence of strong classical drive fields and weak probe fields. By tuning different system parameters, we discover the conversion of reciprocal to non-reciprocal signal transmission. We reveal perfect nonreciprocal transmission of output fields when the effective cavity detuning parameters are near resonant to the NMRs' frequencies. The unidirectional non-reciprocal signal transport is robust to the optomechanical coupling parameters at resonance conditions. Moreover, the cavities' photon loss rates play an inevitable role in the unidirectional flow of signal across the two ports. Bidirectional transmission can be fully controlled by the phase changes associated with the incoming probe and drive fields via two ports. Our scheme may provide a foundation for the compact non-reciprocal communication and quantum information processing, thus enabling new devices that route photons in unconventional ways such as all-optical diodes, optical transistors and optical switches.
The XMM-Newton serendipitous ultraviolet source survey catalogue
Creators: name: Page, M. J.
name: Brindle, C.
name: Talavera, A.
name: Still, M.
name: Rosen, S. R.
name: Yershov, V. N.
name: Ziaeepour, H.
name: Mason, K. O.
name: Cropper, M. S.
name: Breeveld, A. A.
name: Loiseau, N.
name: Mignani, R.
name: Smith, A.
name: Murdin, P.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The XMM-Newton Serendipitous Ultraviolet Source Survey (XMM-SUSS) is a catalogue of ultraviolet (UV) sources detected serendipitously by the Optical Monitor (XMM-OM) on-board the XMM-Newton observatory. The catalogue contains ultraviolet-detected sources collected from 2,417 XMM-OM observations in 1-6 broad band UV and optical filters, made between 24 February 2000 and 29 March 2007. The primary contents of the catalogue are source positions, magnitudes and fluxes in 1 to 6 passbands, and these are accompanied by profile diagnostics and variability statistics. The XMM-SUSS is populated by 753,578 UV source detections above a 3 sigma signal-to-noise threshold limit which relate to 624,049 unique objects. Taking account of substantial overlaps between observations, the net sky area covered is 29-54 square degrees, depending on UV filter. The magnitude distributions peak at 20.2, 20.9 and 21.2 in UVW2, UVM2 and UVW1 respectively. More than 10 per cent of sources have been visited more than once using the same filter during XMM-Newton operation, and > 20 per cent of sources are observed more than once per filter during an individual visit. Consequently, the scope for science based on temporal source variability on timescales of hours to years is broad. By comparison with other astrophysical catalogues we test the accuracy of the source measurements and define the nature of the serendipitous UV XMM-OM source sample. The distributions of source colours in the UV and optical filters are shown together with the expected loci of stars and galaxies, and indicate that sources which are detected in multiple UV bands are predominantly star-forming galaxies and stars of type G or earlier.
description: Accepted for publication in MNRAS
$L$-fuzzy strongest postcondition predicate transformers as $L$-idempotent linear or affine operators between semimodules of monotonic predicates
Creators: name: Nykyforchyn, Oleh
name: Repovš, Dušan
Publisher: name: arXiv
Year: 2012
Subjects: subject: Category Theory (math.CT)
subject: General Topology (math.GN)
subject: FOS: Mathematics
subject: 03B52, 06B35, 28B15, 68T37

description: For a completely distributive quantale $L$, $L$-fuzzy strongest postcondition predicate transformers are introduced, and it is shown that, under reasonable assumptions, they are linear or affine continuous mappings between continuous $L$-idempotent semimodules of $L$-fuzzy monotonic predicates.
Factorization of numbers with Gauss sums: II. Suggestions for implementations with chirped laser pulses
Creators: name: Merkel, W.
name: Wölk, S.
name: Schleich, W. P.
name: Averbukh, I. Sh.
name: Girard, B.
name: Paulus, G. G.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose three implementations of the Gauss sum factorization schemes discussed in part I of this series: (i) a two-photon transition in a multi-level ladder system induced by a chirped laser pulse, (ii) a chirped one-photon transition in a two-level atom with a periodically modulated excited state, and (iii) a linearly chirped one-photon transition driven by a sequence of ultrashort pulses. For each of these quantum systems we show that the excitation probability amplitude is given by an appropriate Gauss sum. We provide rules how to encode the number N to be factored in our system and how to identify the factors of N in the fluorescence signal of the excited state.
description: 22 pages, 7 figures
I hates Mondays: ERP effects of emotion on person agreement
Creators: name: Poch, Claudia
name: Diéguez-Risco, Teresa
name: Martínez-García, Natalia
name: Ferré, Pilar
name: Hinojosa, José A.
Publisher: name: Taylor & Francis
Year: 2022
Subjects: Neuroscience
Science Policy
Mental Health

description: Recent evidence indicates that emotion influences the computation of agreement dependencies based on number or gender. In this event-related potential study, we examined the role of emotion in the processing of person information. Participants made grammatical judgements to sentences with positive, negative and neutral verbs that either matched or mismatched person features of a preceding pronominal subject. Emotion did not modulate P600 amplitude enhancements to agreement violations. Importantly, whereas enhanced LAN effects to all ungrammatical sentences were observed in a cluster of left fronto-central electrodes, only neutral verbs that violated person agreement elicited enhanced LAN amplitudes in a sub-cluster of left frontal electrodes. The narrow distribution of LAN effects to emotion verbs suggests that feature-checking operations dealing with the early detection of person agreement errors are less efficient when words signal affective biologically salient content. Our results favour lexicalist views arguing that lexical and conceptual information influences agreement.
Four proofs of the directed Brooks' Theorem
Creators: name: Aboulker, Pierre
name: Aubian, Guillaume
Publisher: name: arXiv
Year: 2021
Subjects: subject: Discrete Mathematics (cs.DM)
subject: Combinatorics (math.CO)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: We give four new proofs of the directed version of Brook's Theorem and an NP-completeness result.
description: 15 pages
The $1D$, $2D$ $Ξ_{b}$ and $Λ_{b}$ baryons
Creators: name: Yu, Guo-Liang
name: Wang, Zhi-Gang
name: Wang, Xiu-Wu
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Recently, scientists have made great progresses in experiments in searching for the excited states of $Ξ_{b}$ and $Λ_{b}$ baryons such as the $Λ_{b}(6072)$, $Λ_{b}(6146)$, $Λ_{b}(6152)$, $Ξ_{b}(6227)$, $Ξ_{b}(6100)$, $Ξ_{b}(6327)$ and $Ξ_{b}(6333)$. Stimulated by these progresses, we give a systematical analysis about the $1D$ and $2D$ states of $Ξ_{b}$ and $Λ_{b}$ baryons with the method of QCD sum rules. By constructing three types of interpolating currents, we calculate the masses and pole residues of these heavy baryons with different excitation modes $(L_ρ,L_λ)=(0,2)$, $(2,0)$ and $(1,1)$. As a result, we decode the inner structures of $Λ_{b}(6146)$, $Λ_{b}(6152)$, $Ξ_{b}(6327)$ and $Ξ_{b}(6333)$, and favor assigning these states as the $1D$ baryons with the quantum numbers $(L_ρ,L_λ)=(0,2)$ and $\frac{3}{2}^{+}$, $\frac{5}{2}^{+}$, $\frac{3}{2}^{+}$ and $\frac{5}{2}^{+}$, respectively. In addition, the predictions about the masses and pole residues of the other $1D$ and $2D$ states of $Ξ_{b}$ and $Λ_{b}$ baryons in this paper are helpful in studying the D-wave bottom baryons in experiments in the future.
Learning the Hydrophilic, Hydrophobic and Aromatic Character of Amino Acids from their Interfacial Thermal Conductance in Water
Creators: name: Hamzi, Heydar
name: Rajabpour, Ali
name: Roldán, Édgar
name: Hassanali, Ali
Publisher: name: arXiv
Year: 2021
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In this study, the thermal relaxation of the 20 naturally occurring amino-acids in water is investigated using transient non-equilibrium molecular-dynamics simulations. By modeling the thermal relaxation process, the relaxation times of the amino-acids in water occurs over a timescale covering 2-5 ps. For the hydrophobic amino acids, the relaxation time is controlled by the size of the hydrocarbon side chain, while for hydrophilic amino acids, the number of hydrogen bonds do not significantly affect the timescales of the heat dissipation. Our results show that the interfacial thermal conductance at the amino-acid water interface is in the range of~40-80 MWm$^{-2}$K$^{-1}$. Hydrophobic and aromatic amino acids tend to have a lower interfacial thermal conductance. Notably, we reveal that amino acids can be classified, in terms of their thermal relaxation times and molar masses, into simply connected phases with the same hydrophilicity, hydrophibicity and aromaticity.
description: 19 pages, 6 figures
Cloaking strategy for Love waves
Creators: name: Chatzopoulos, Z.
name: Palermo, A.
name: Guenneau, S.
name: Marzani, A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: Love waves are antiplane elastic waves which propagate along the surface of a heterogeneous medium. Under time-harmonic regime, they are governed by a scalar equation of the Helmholtz type. We exploit the invariance of this governing equation under an in-plane arbitrary coordinate transformation to design broadband cloaks for surface defects. In particular, we apply transformation elastodynamics to determine the anisotropic, position dependent, mechanical properties of ideal cloaks able to hide triangular and parabolic-shaped defects. Dispersion analysis and time-harmonic numerical simulations are employed to validate the proposed strategy. Next, we utilize layered monoclinic materials, with homogenized properties matching those of ideal cloaks, to design feasible cloaks. The performance of the layered cloaks is validated via time-harmonic numerical simulations which show a significant reduction of the defect-generated scattered fields.
Self-Consistency Requirements of the Renormalization Group for Setting the Renormalization Scale
Creators: name: Brodsky, Stanley J.
name: Wu, Xing-Gang
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In conventional treatments, predictions from fixed-order perturbative QCD calculations cannot be fixed with certainty due to ambiguities in the choice of the renormalization scale as well as the renormalization scheme. In this paper we present a general discussion of the constraints of the renormalization group (RG) invariance on the choice of the renormalization scale. We adopt the RG based equations, which incorporate the scheme parameters, for a general exposition of RG invariance, since they simultaneously express the invariance of physical observables under both the variation of the renormalization scale and the renormalization scheme parameters. We then discuss the self-consistency requirements of the RG, such as reflexivity, symmetry, and transitivity, which must be satisfied by the scale-setting method. The Principle of Minimal Sensitivity (PMS) requires the slope of the approximant of an observable to vanish at the renormalization point. This criterion provides a scheme-independent estimation, but it violates the symmetry and transitivity properties of the RG and does not reproduce the Gell-Mann-Low scale for QED observables. The Principle of Maximum Conformality (PMC) satisfies all of the deductions of the RG invariance - reflectivity, symmetry, and transitivity. Using the PMC, all non-conformal $\{β^{\cal R}_i\}$-terms (${\cal R}$ stands for an arbitrary renormalization scheme) in the perturbative expansion series are summed into the running coupling, and one obtains a unique, scale-fixed, scheme-independent prediction at any finite order. The PMC scales and the resulting finite-order PMC predictions are both to high accuracy independent of the choice of initial renormalization scale, consistent with RG invariance. [...More in the text...]
description: 15 pages, 4 figures. References updated. To be published in Phys.Rev.D
Interactions of ignored and attended valence in a valence-detection task with emotional words support the model of evaluative space: an ERP study
Creators: name: Gibbons, Henning
name: Schmuck, Jonas
name: Kirsten, Hannah
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Mental Health

description: In a valence-detection task with emotional adjectives, 57 participants selectively responded to a predefined target level of valence (negative, positive, or neutral). Event-related potentials of ignored nontargets were examined for a novel type of emotion–attention interaction between a nontarget’s valence and valence of the attentional set. Findings support an extension of the model of evaluative space [Cacioppo, J. T., Gardner, W. L., & Berntson, G. G. (1997). Beyond bipolar conceptualizations and measures: The case of attitudes and evaluative space. Personality and Social Psychology Review, 1(1), 3–25. https://doi.org/10.1207/s15327957pspr0101_2], proposing associations of negative and positive stimuli/attentional sets with high and low arousal, respectively. Consistently, in the neutral attentional set involving low arousal, false alarms were more frequent and an average-referenced EPN-like posterior negativity (150–250 ms) was smaller for positive than negative nontarget words. The late positive potential was reduced for positive nontargets in the negative attentional set, but not the reverse, indicating conjoint effects of a negativity bias and distractor-target distance in terms of valence. Finally, data suggest a sensitivity of mastoid-referenced lateral-posterior N170 to inhibition of task-irrelevant affect.
Plasma Diagnostics for Planetary Nebulae and H II Regions Using the N II and O II Optical Recombination Lines
Creators: name: McNabb, Ian A.
name: Fang, Xuan
name: Liu, Xiaowei
name: Bastin, Robert J.
name: Storey, Peter J.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We carry out plasma diagnostic analyses for 123 planetary nebulae (PNe) and 42 H II regions using the N II and O II optical recombination lines (ORLs). New effective recombination coefficients for the N II and O II optical recombination spectra are used. These data were calculated under the intermediate coupling scheme for a number of electron temperature (Te) and density (Ne) cases. We used a new method to determine the Te and Ne for the nebular sample, combining the ORLs with the most reliable measurements for each ion and the predicted intensities that are based on the new atomic data. Uncertainties of the derived Te and Ne are estimated for each object. The diagnostic results from heavy element ORLs show reasonable agreement with previous calculations in the literature. We compare the electron temperatures derived from the N II and O II ORLs, Te(ORLs), and those from the collisionally excited lines (CELs), Te(CELs), as well as the hydrogen Balmer jump, Te(H I BJ), especially for the PNe with large abundance discrepancies. Temperatures from He I recombination lines, Te(He I), are also used for comparison if available. For all the objects included in our sample, Te(ORLs) are lower than Te(H I BJ), which are in turn systematically lower than Te(CELs). Nebulae with Te(He I) available show the relation Te(ORLs) < Te(He I) < Te(H I BJ) < Te(CELs), which is consistent with predictions from the bi-abundance nebular model postulated by Liu et al. (2000).
description: 21 pages, 13 figures, accepted for publication in MNRAS