cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Semiconducting-to-metallic photoconductivity crossover and temperature-dependent Drude weight in graphene
Creators: name: Frenzel, A. J.
name: Lui, C. H.
name: Shin, Y. C.
name: Kong, J.
name: Gedik, N.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We investigated the transient photoconductivity of graphene at various gate-tuned carrier densities by optical-pump terahertz-probe spectroscopy. We demonstrated that graphene exhibits semiconducting positive photoconductivity near zero carrier density, which crosses over to metallic negative photoconductivity at high carrier density. Our observations are accounted for by considering the interplay between photo-induced changes of both the Drude weight and the carrier scattering rate. Notably, we observed multiple sign changes in the temporal photoconductivity dynamics at low carrier density. This behavior reflects the non-monotonic temperature dependence of the Drude weight, a unique property of massless Dirac fermions.
How to Train Your Space Tester, Part II: Enabling Capabilities
Creators: name: Kent, Evelyn
name: Gabriel, Jason
name: Gunn-Golkin, Anna
name: Langdon, Charles
name: Nayak, Michael
name: Remeta, Emily
name: Willett, Michelle
Publisher: name: arXiv
Year: 2022
Subjects: subject: Physics Education (physics.ed-ph)
subject: FOS: Physical sciences

description: The need for space test professionals is growing rapidly, due to establishment of the US Space Force and the extremely rapid growth of the commercial space industry. The future of space test looks bright and complex; a better training foundation is needed to impart test-mindedness to all space professionals to enable this future. Discussed from a military perspective, but applicable across the space industry, there are three critical aspects of foundational training: (1) Realistic trainers and simulators: Representative simulators are the safest way to gain repetitions in dynamic decision-making, satellite envelope expansion, fault response, and to develop ways to operate through a contested, degraded, and operationally limited (CDO) environment. This paper introduces a new term encompassing the variables of space maneuver (GET CLASS) as a standard for US Space Force training simulators; (2) Interoperable Software Tools: Adapt to new software tools without reliance on a checklist. Common standards and interfaces must be developed and enforced; and (3) Cross-functional networking: Operations, test, engineering, and program management communities must work hand-in-hand to deliver effective capabilities. Blending career fields and mission areas inspires innovation and propagates improved capabilities across the space industry.
description: 13 pages
Numerical Simulations Of The Effect Of Localised Ionospheric Perturbations On Subionospheric VLF Propagation
Creators: name: Sulic, D.
name: Nina, A.
name: Sreckovic, V.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: Electron density and temperature changes in the D-region of the ionosphere are sensitively manifested as changes in the amplitude and phase of subionospheric Very Low Frequency (VLF) signals propagating beneath the perturbed region. Disturbances (either in electron density or temperature) in the D region cause significant scattering of VLF waves propagating in the earth-ionosphere waveguide, leading to measurable changes in the amplitude and phase of the VLF waves. We analyze Lightning-induced electron precipitation (LEP) events during period 2008 - 2009 at Belgrade station on subionospheric VLF signals from four transmitters (DHO/23.4 kHz, Germany; GQD/22.1 kHz, UK; NAA/24.0 kHz USA and ICV/20.9 kHz Italy).
description: 5 pages, 2 figs
Nikephoros Chrysoberges' Encomium of the Patriarch John X Kamateros: A New Fragment
Creators: name: Kaltsogianni, Eleni
Publisher: name: Parekbolai. An Electronic Journal for Byzantine Literature
Year: 2020
Subjects: Nikephoros Chrysoberges, John X Kamateros, Constantine Mesopotamites, Thessaloniki, codex Vindobonensis Phil. gr. 321

description: The article is concerned with a hitherto unidentified fragment of Nikephoros Chrysoberges’ encomium of the patriarch John X Kamateros. The fragment is transmitted on f. 146rv of the codex Vindobonensis Phil. gr. 321 (13th century), which also preserves the rest of the encomium (ff. 246r-253v); f. 146rv should be placed between ff. 249v-250r, thus filling a lacuna in the text, already indicated by its editors. In terms of content, the fragment under consideration offers some interesting information regarding the person of a metropolitan of Thessaloniki, who held this office during Kamateros’ patriarchate, in all probability Constantine Mesopotamites.
description: Parekbolai. An Electronic Journal for Byzantine Literature, Vol 10 (2020)
Spectroscopic signatures of youth in low-mass kinematic candidates of young moving groups
Creators: name: Gálvez-Ortiz, M. C.
name: Kuznetsov, M.
name: Clarke, J. R. A.
name: Pavlenko, Ya. V.
name: Folkes, S. L.
name: Pinfield, D. J.
name: Jones, H. R. A.
name: Jenkins, J. S.
name: Barnes, J. R.
name: Burningham, B.
name: Day-Jones, A. C.
name: Martín, E. L.
name: Pérez, A. E. García
name: del Burgo, C.
name: Pokorny, R. S.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present a study of age-related spectral signatures observed in 25 young low-mass objects that we have previously determined as possible kinematic members of five young moving groups: the Local Association (Pleiades moving group, age=20 - 150 Myr), the Ursa Major group (Sirius supercluster, age=300 Myr), the Hyades supercluster (age=600 Myr), IC 2391 supercluster (age=35--55 Myr) and the Castor moving group (age=200 Myr). In this paper we characterize the spectral properties of observed high or low resolution spectra of our kinematic members by fitting theoretical spectral distributions. We study signatures of youth, such as lithium {\sc i} 6708 Å, H$α$ emission and other age-sensitive spectroscopic signatures in order to confirm the kinematic memberships through age constraints. We find that 21 ($84\%$) targets show spectroscopic signatures of youth in agreement with the age ranges of the moving group to which membership is implied. For two further objects, age-related constraints remain difficult to determine from our analysis. In addition, we confirm two moving group kinematic candidates as brown dwarfs.
Numerical Modeling of Deep Convection: Case Study of the 21 August 2007 Severe Convective System over the Masurian Lake District
Creators: name: Wójcik, Damian K.
Publisher: name: Zenodo
Year: 2023
Subjects: deep convection, convection-permitting modeling, bow echo system, stochastic convection initiation

description: The PhD dissertation entitled "Numerical Modeling of Deep Convection: Case Study of the 21 August 2007 Severe Convective System over the Masurian Lake District" and written by Damian K. Wójcik. The dissertation describes the severe convective system that developed on the 21 August 2007 over the Masurian Lake District (in Poland) and reconstructs that system using the operational convection-permitting COSMO model. Numerical representation of the system is described and compared with the actual one. The model is capable to represent a bowing system, including an accurate forecast of wind gusts magnitude. Sensitivity of the representation to the grid refinement and application of single / double microphysical scheme is analyzed as well.
Catalog of Short Gamma-Ray Transients Detected in the SPI/INTEGRAL Experiment
Creators: name: Minaev, P. Yu.
name: Pozanenko, A. S.
name: Molkov, S. V.
name: Grebenev, S. A.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We analyzed data obtained by the SPI telescope onboard the INTEGRAL observatory to search for short transient events with a duration from 1 ms to a few tens of seconds. An algorithm for identifying gamma-ray events against the background of a large number of charged particle interactions with the detector has been developed. The classification of events was made. Apart from the events associated with cosmic gamma-ray bursts (GRBs) confirmed by other space experiments and the activity of known soft gamma repeaters (for example, SGR 1806-20), previously unreported GRBs have been found. GRB candidates and short gamma-ray events probably associated with the activity of known SGRs and AXPs have been selected. The spectral evolution of 28 bright GRBs from the catalog has been studied extensively. A new method for investigating the spectral evolution is proposed. The energy dependence of the spectral lag for bursts with a simple structure of their light curves and for individual pulses of multipulse events is shown to be described by a logarithmic function, lag ~ A*log(E). It has been established that the parameter A depends on the pulse duration, with the dependence being universal for all of the investigated GRBs. No negative spectral lags have been detected for bursts with a simple structure of their light curves.
description: 60 pages, 17 figures, 9 tables
Studies on the Antimicrobial effect of Nystatin, Saponin and Ginger extract (Zingiber Officinale) on some Local strains of Candida
Creators: name: Ifeoma Enweani
Publisher: name: figshare
Year: 2020
Subjects: subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences

description: An investigation was carried out onthe antimicrobial effects of nystatin,saponin and ginger extract on local strains of candida isolates made from urine of asymptomatic female students in nigeria. Nystatin and ginger extract were found to have no significant effects on the candida isolates. Some concentrations of Saponin were found to have significant effects on some isolates of candida. The implications of the results obtained are discussed.
Electroweak $ZZjj$ production in the Standard Model and beyond in the POWHEG-BOX V2
Creators: name: Jager, Barbara
name: Karlberg, Alexander
name: Zanderighi, Giulia
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present an implementation of electroweak $ZZjj$ production in the POWHEG BOX V2 framework, an upgrade of the POWHEG BOX program which includes a number of new features that are particularly helpful for high-multiplicity processes. We consider leptonic and semi-leptonic decay modes of the Z bosons, and take non-resonant contributions and spin correlations of the final-state particles into account. In the case of decays to leptons, we also include interactions beyond the Standard Model that arise from an effective Lagrangian which includes CP conserving and violating operators up to dimension six. We find that while leptonic distributions are very sensitive to anomalous couplings, because of the small cross-section involved, these analyses are feasible only after a high-luminosity upgrade of the LHC. We consider the cases of a 14 TeV, 33 TeV and 100 TeV machine and discuss the limits that can be placed on those couplings for different luminosities.
description: 19 pages, 18 figures,5 tables
Topological Quasi-Group Shifts
Creators: name: Sobottka, Marcelo
Publisher: name: arXiv
Year: 2014
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37B10, 68P30, 20N05, 94A55

description: In this work we characterize those shift spaces which can support a 1-block quasi-group operation and show the analogous of Kitchens result: any such shift is conjugated to a product of a full shift with a finite shift. Moreover, we prove that every expansive automorphism on a compact zero-dimensional quasi-group that verifies the medial property, commutativity and has period 2, is isomorphic to the shift map on a product of a finite quasi-group with a full shift.
description: This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Discrete and Continuous Dynamical Systems - Series A (DCDS-A), following peer review. The definitive publisher-authenticated version is available online at:\break http://www.aimsciences.org/journals/displayArticles.jsp?paperID=2044. 18 pages, 1 figure
Contrastive Knowledge Graph Error Detection
Creators: name: Zhang, Qinggang
name: Dong, Junnan
name: Duan, Keyu
name: Huang, Xiao
name: Liu, Yezi
name: Xu, Linchuan
Publisher: name: arXiv
Year: 2022
Subjects: subject: Machine Learning (cs.LG)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: Knowledge Graph (KG) errors introduce non-negligible noise, severely affecting KG-related downstream tasks. Detecting errors in KGs is challenging since the patterns of errors are unknown and diverse, while ground-truth labels are rare or even unavailable. A traditional solution is to construct logical rules to verify triples, but it is not generalizable since different KGs have distinct rules with domain knowledge involved. Recent studies focus on designing tailored detectors or ranking triples based on KG embedding loss. However, they all rely on negative samples for training, which are generated by randomly replacing the head or tail entity of existing triples. Such a negative sampling strategy is not enough for prototyping practical KG errors, e.g., (Bruce_Lee, place_of_birth, China), in which the three elements are often relevant, although mismatched. We desire a more effective unsupervised learning mechanism tailored for KG error detection. To this end, we propose a novel framework - ContrAstive knowledge Graph Error Detection (CAGED). It introduces contrastive learning into KG learning and provides a novel way of modeling KG. Instead of following the traditional setting, i.e., considering entities as nodes and relations as semantic edges, CAGED augments a KG into different hyper-views, by regarding each relational triple as a node. After joint training with KG embedding and contrastive learning loss, CAGED assesses the trustworthiness of each triple based on two learning signals, i.e., the consistency of triple representations across multi-views and the self-consistency within the triple. Extensive experiments on three real-world KGs show that CAGED outperforms state-of-the-art methods in KG error detection. Our codes and datasets are available at https://github.com/Qing145/CAGED.git.
Photon-induced sideband transitions in a many-body Landau-Zener process
Creators: name: Zhong, Honghua
name: Xie, Qiongtao
name: Huang, Jiahao
name: Qin, Xizhou
name: Deng, Haiming
name: Xu, Jun
name: Lee, Chaohong
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We investigate the many-body Landau-Zener (LZ) process in a two-site Bose-Hubbard model driven by a time-periodic field. We find that the driving field may induce sideband transitions in addition to the main LZ transitions. These photon-induced sideband transitions are a signature of the photon-assisted tunneling in our many-body LZ process. In the strong interaction regime, we develop an analytical theory for understanding the sideband transitions, which is confirmed by our numerical simulation. Furthermore, we discuss the quantization of the driving field. In the effective model of the quantized driving field, the sideband transitions can be understood as the LZ transitions between states of different "photon" numbers.
description: 7 pages, 4 figures
Clustering based opcode graph generation for malware variant detection
Creators: name: Fok, Kar Wai
name: Thing, Vrizlynn L. L.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Malwares are the key means leveraged by threat actors in the cyber space for their attacks. There is a large array of commercial solutions in the market and significant scientific research to tackle the challenge of the detection and defense against malwares. At the same time, attackers also advance their capabilities in creating polymorphic and metamorphic malwares to make it increasingly challenging for existing solutions. To tackle this issue, we propose a methodology to perform malware detection and family attribution. The proposed methodology first performs the extraction of opcodes from malwares in each family and constructs their respective opcode graphs. We explore the use of clustering algorithms on the opcode graphs to detect clusters of malwares within the same malware family. Such clusters can be seen as belonging to different sub-family groups. Opcode graph signatures are built from each detected cluster. Hence, for each malware family, a group of signatures is generated to represent the family. These signatures are used to classify an unknown sample as benign or belonging to one the malware families. We evaluate our methodology by performing experiments on a dataset consisting of both benign files and malware samples belonging to a number of different malware families and comparing the results to existing approach.
description: Keywords: malware detection and attribution, malware family, clustering, opcode graph, machine learning; https://ieeexplore.ieee.org/document/9647814
An ultra-high gain single-photon transistor in the microwave regime
Creators: name: Wang, Zhiling
name: Bao, Zenghui
name: Li, Yan
name: Wu, Yukai
name: Cai, Weizhou
name: Wang, Weiting
name: Han, Xiyue
name: Wang, Jiahui
name: Song, Yipu
name: Sun, Luyan
name: Zhang, Hongyi
name: Duan, Luming
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A photonic transistor that can switch or amplify an optical signal with a single gate photon requires strong non-linear interaction at the single-photon level. Circuit quantum electrodynamics provides great flexibility to generate such an interaction, and thus could serve as an effective platform to realize a high-performance single-photon transistor. Here we demonstrate such a photonic transistor in the microwave regime. Our device consists of two microwave cavities dispersively coupled to a superconducting qubit. A single gate photon imprints a phase shift on the qubit state through one cavity, and further shifts the resonance frequency of the other cavity. In this way, we realize a gain of the transistor up to 53.4 dB, with an extinction ratio better than 20 dB. Our device outperforms previous devices in the optical regime by several orders in terms of optical gain, which indicates a great potential for application in the field of microwave quantum photonics and quantum information processing.
Evidence for SrHo2O4 and SrDy2O4 as model J1-J2 zig-zag chain materials
Creators: name: Poole, Amy
name: Pomjakushin, Vladimir
name: Uldry, Anne-Christine
name: Delley, Bernhard
name: Prevost, Bobby
name: Desilets-Benoit, Alexandre
name: Bianchi, Andrea D
name: Bewley, Robert I
name: Hansen, Britt R
name: Klimczuk, Thomasz
name: Cava, Robert J
name: Kenzelmann, Michel
Publisher: name: arXiv
Year: 2014
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Neutron diffraction and inelastic spectroscopy is used to characterize the magnetic Hamiltonian of SrHo2O4 and SrDy2O4. Through a detailed computation of the crystal-field levels we find site- dependent anisotropic single-ion magnetism in both materials and diffraction measurements show the presence of strong one-dimensional spin correlations. Our measurements indicate that competing interactions of the zig-zag chain, combined with frustrated interchain interactions, play a crucial role in stabilizing spin-liquid type correlations in this series.
description: 5 pages, 5 figures
Phase transitions in a reaction-diffusion model on a line with boundaries
Creators: name: Khorrami, Mohammad
name: Aghamohammadi, Amir
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: A one-dimensional model on a line of the length L is investigated, which involves particle diffusion as well as single particle annihilation. There are also creation and annihilation at the boundaries. The static and dynamical behaviors of the system are studied. It is seen that the system could exhibit a dynamical phase transition. For small drift velocities, the relaxation time does not depend on the absorbtion rates at the boundaries. This is the fast phase. For large velocities, the smaller of the absorbtion rates at boundaries enter the relaxation rate and makes it longer. This is the slow phase. Finally, the effect of a random particle creation in the bulk is also investigated.
description: 1+16 pages
Data-Adaptive Discriminative Feature Localization with Statistically Guaranteed Interpretation
Creators: name: Dai, Ben
name: Shen, Xiaotong
name: Chen, Lin Yee
name: Li, Chunlin
name: Pan, Wei
Publisher: name: arXiv
Year: 2022
Subjects: subject: Machine Learning (stat.ML)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: Applications (stat.AP)
subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: In explainable artificial intelligence, discriminative feature localization is critical to reveal a blackbox model's decision-making process from raw data to prediction. In this article, we use two real datasets, the MNIST handwritten digits and MIT-BIH Electrocardiogram (ECG) signals, to motivate key characteristics of discriminative features, namely adaptiveness, predictive importance and effectiveness. Then, we develop a localization framework based on adversarial attacks to effectively localize discriminative features. In contrast to existing heuristic methods, we also provide a statistically guaranteed interpretability of the localized features by measuring a generalized partial $R^2$. We apply the proposed method to the MNIST dataset and the MIT-BIH dataset with a convolutional auto-encoder. In the first, the compact image regions localized by the proposed method are visually appealing. Similarly, in the second, the identified ECG features are biologically plausible and consistent with cardiac electrophysiological principles while locating subtle anomalies in a QRS complex that may not be discernible by the naked eye. Overall, the proposed method compares favorably with state-of-the-art competitors. Accompanying this paper is a Python library dnn-locate (https://dnn-locate.readthedocs.io/en/latest/) that implements the proposed approach.
description: 27 pages, 11 figures
Intrusion Detection in Internet of Things using Convolutional Neural Networks
Creators: name: Kodys, Martin
name: Lu, Zhi
name: Fok, Kar Wai
name: Thing, Vrizlynn L. L.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Internet of Things (IoT) has become a popular paradigm to fulfil needs of the industry such as asset tracking, resource monitoring and automation. As security mechanisms are often neglected during the deployment of IoT devices, they are more easily attacked by complicated and large volume intrusion attacks using advanced techniques. Artificial Intelligence (AI) has been used by the cyber security community in the past decade to automatically identify such attacks. However, deep learning methods have yet to be extensively explored for Intrusion Detection Systems (IDS) specifically for IoT. Most recent works are based on time sequential models like LSTM and there is short of research in CNNs as they are not naturally suited for this problem. In this article, we propose a novel solution to the intrusion attacks against IoT devices using CNNs. The data is encoded as the convolutional operations to capture the patterns from the sensors data along time that are useful for attacks detection by CNNs. The proposed method is integrated with two classical CNNs: ResNet and EfficientNet, where the detection performance is evaluated. The experimental results show significant improvement in both true positive rate and false positive rate compared to the baseline using LSTM.
description: Keywords: Cybersecurity, Intrusion Detection, IoT, Deep Learning, Convolutional Neural Networks; https://ieeexplore.ieee.org/abstract/document/9647828
Validation of the child's implicit self-esteem measure – Polish version of the Preschool Implicit Attitudes Test
Creators: name: Wieleszczyk, Jowita
name: Sekścińska, Katarzyna
name: Trzcińska, Agata
name: Podsiadłowski, Wojciech
Publisher: name: Open Science Framework
Year: 2023

description: The objective of the study was to measure the psychometric properties of the computer tool that will be used in the project to measure implicit self-esteem in children. The Preschool Implicit Association Test (PSIAT) of Cvencek et al. (2016) was used subject to a license granted by the University of Washington, which holds the copyright to the test. PSIAT wasused on Inquisit Software (pursuant to a Millisecond Software license). To assess the psychometric properties of the Polish version of PSIAT the internal consistency and the test-retest reliability were measured as well as correlations with “The Pictorial Scale of Perceived Competence and Social Acceptance for Young Children”
Limits on GRB Prompt Radio Emission Using the LWA1
Creators: name: Obenberger, K. S.
name: Hartman, J. M.
name: Taylor, G. B.
name: Craig, J.
name: Dowell, J.
name: Helmboldt, J. F.
name: Henning, P. A.
name: Schinzel, F. K.
name: Wilson, T. L.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: As a backend to the first station of the Long Wavelength Array (LWA1) the Prototype All Sky Imager (PASI) has been imaging the sky $>$ -26$^{\circ}$ declination during 34 Gamma Ray Bursts (GRBs) between January 2012 and May 2013. Using this data we were able to put the most stringent limits to date on prompt low frequency emission from GRBs. While our limits depend on the zenith angle of the observed GRB, we estimate a 1$σ$ RMS sensitivity of 68, 65 and 70 Jy for 5 second integrations at 37.9, 52.0, and 74.0 MHz at zenith. These limits are relevant for pulses $\geq$ 5 s and are limited by dispersion smearing. For pulses of length 5 s we are limited to dispersion measures ($DM$s) $\leq$ 220, 570, and 1,600 pc cm$^{-3}$ for the frequencies above. For pulses lasting longer than 5s, the $DM$ limits increase linearly with the duration of the pulse. We also report two interesting transients, which are, as of yet, of unknown origin, and are not coincident with any known GRBs. For general transients, we give rate density limits of $\leq$ $7.5\times10^{-3}$, $2.9\times10^{-2}$, and $1.4\times10^{-2}$ yr$^{-1}$ deg$^{-2}$ with pulse energy densities $>1.3\times 10^{-22}$, $1.1\times 10^{-22}$, and $1.4\times 10^{-22}$ J m$^{-2}$ Hz$^{-1}$ and pulse widths of 5 s at the frequencies given above.
description: 11 pages, 6 figure, 3 tables, accepted for publication in ApJ
Localisation on Sasaki-Einstein manifolds from holomophic functions on the cone
Creators: name: Schmude, Johannes
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study super Yang-Mills theories on five-dimensional Sasaki-Einstein manifolds. Using localisation techniques, we find that the contribution from the vector multiplet to the perturbative partition function can be calculated by counting holomorphic functions on the associated Calabi-Yau cone. This observation allows us to use standard techniques developed in the context of quiver gauge theories to obtain explicit results for a number of examples; namely $S^5$, $T^{1,1}$, $Y^{7,3}$, $Y^{2,1}$, $Y^{2,0}$, and $Y^{4,0}$. We find complete agreement with previous results obtained by Qiu and Zabzine using equivariant indices except for the orbifold limits $Y^{p,0}$ with $p > 1$.
description: 18 pages
Controlling the nanoscale rippling of graphene with SiO2 nanoparticles
Creators: name: Osváth, Zoltán
name: Gergely-Fülöp, Eszter
name: Nagy, Norbert
name: Deák, András
name: Nemes-Incze, Péter
name: Jin, Xiaozhan
name: Hwang, Chanyong
name: Biró, László Péter
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The electronic properties of graphene can be significantly influenced by mechanical strain. One practical approach to induce strain in graphene is to transfer this atomically thin membrane onto pre-patterned substrates with specific corrugation. The possibility to use nanoparticles to impart extrinsic rippling to graphene has not been fully explored yet. Here we study the structure and elastic properties of graphene grown by chemical vapour deposition and transferred onto a continuous layer of SiO2 nanoparticles with diameters of around 25 nm, prepared on Si substrate by Langmuir-Blodgett technique. We show that the corrugation of the transferred graphene and thus the membrane strain can be modified by annealing at moderate temperatures. The membrane parts bridging the nanoparticles are suspended and can be reversibly lifted by the attractive forces between an atomic force microscope tip and graphene. This allows the dynamic control of the local morphology of graphene nanomembranes.
Spitzer IRS Observations of the XA Region in the Cygnus Loop Supernova Remnant
Creators: name: Sankrit, R.
name: Raymond, J. C.
name: Bautista, M.
name: Gaetz, T. J.
name: Williams, B. J.
name: Blair, W. P.
name: Borkowski, K. J.
name: Long, K. S.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We report on spectra of two positions in the XA region of the Cygnus Loop supernova remnant obtained with the InfraRed Spectrograph on the Spitzer Space Telescope. The spectra span the 10-35 micron wavelength range, which contains a number of collisionally excited forbidden lines. These data are supplemented by optical spectra obtained at the Whipple Observatory and an archival UV spectrum from the International Ultraviolet Explorer. Coverage from the UV through the IR provides tests of shock wave models and tight constraints on model parameters. Only lines from high ionization species are detected in the spectrum of a filament on the edge of the remnant. The filament traces a 180 km/s shock that has just begun to cool, and the oxygen to neon abundance ratio lies in the normal range found for Galactic H II regions. Lines from both high and low ionization species are detected in the spectrum of the cusp of a shock-cloud interaction, which lies within the remnant boundary. The spectrum of the cusp region is matched by a shock of about 150 km/s that has cooled and begun to recombine. The post-shock region has a swept-up column density of about 1.3E18 cm^-2, and the gas has reached a temperature of 7000 to 8000 K. The spectrum of the Cusp indicates that roughly half of the refractory silicon and iron atoms have been liberated from the grains. Dust emission is not detected at either position.
description: 35 pages, including 9 figures. Accepted for publication in the Astrophysical Journal
News Cohesiveness: an Indicator of Systemic Risk in Financial Markets
Creators: name: Piškorec, Matija
name: Antulov-Fantulin, Nino
name: Novak, Petra Kralj
name: Mozetič, Igor
name: Grčar, Miha
name: Vodenska, Irena
name: Šmuc, Tomislav
Publisher: name: arXiv
Year: 2014
Subjects: subject: Social and Information Networks (cs.SI)
subject: Physics and Society (physics.soc-ph)
subject: Statistical Finance (q-fin.ST)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences
subject: FOS: Economics and business

description: Motivated by recent financial crises significant research efforts have been put into studying contagion effects and herding behaviour in financial markets. Much less has been said about influence of financial news on financial markets. We propose a novel measure of collective behaviour in financial news on the Web, News Cohesiveness Index (NCI), and show that it can be used as a systemic risk indicator. We evaluate the NCI on financial documents from large Web news sources on a daily basis from October 2011 to July 2013 and analyse the interplay between financial markets and financially related news. We hypothesized that strong cohesion in financial news reflects movements in the financial markets. Cohesiveness is more general and robust measure of systemic risk expressed in news, than measures based on simple occurrences of specific terms. Our results indicate that cohesiveness in the financial news is highly correlated with and driven by volatility on the financial markets.
On the habitability of exoplanets orbiting Proxima Centauri
Creators: name: Lopez, Madeleine
name: Cardenas, Rolando
name: Rodriguez, Lien
Publisher: name: arXiv
Year: 2014
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Other Quantitative Biology (q-bio.OT)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: We apply a mathematical model for photosynthesis to quantitatively assess the habitability of a hypothetical planet orbiting Proxima Centauri, inside the so called habitability zone. Results suggest significant viability for primary biological productivity, provided living organisms have evolved to reach the ability of using infrared light for photosynthesis.
description: Paper written in Spanish
Fractionalized Metals and Superconductors in Three Dimensions
Creators: name: Wang, Zhong
Publisher: name: arXiv
Year: 2014
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study three-dimensional metals with nontrivial correlation functions and fractionalized excitations. We formulate for such states a gauge theory, which also naturally describes the fractional quantization of chiral anomaly. We also study fractional superconductors in this description. This formulation leads to the "three-dimensional chiral Luttinger liquids" and fractionalized Weyl semimetals, which can arise in both fermion and boson models. We also propose experiments to detect these fractionalized phases.
description: Fractional anomaly of bosons is added. "3D chiral Luttinger liquids" from bosons are included
Higher order topological state induced by $d$-wave competing orders in high-T$_c$ superconductor based heterostructure
Creators: name: Wang, Xiaoming
name: Li, Yu-Xuan
name: Zhou, Tao
Publisher: name: arXiv
Year: 2022
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We introduce a two-dimensional Chern insulator in proximity to a $d$-wave pseudogap state of the high-T$_c$ superconducting material as an effective platform to realize the higher order topological system. The proximity-induced $d$-density-wave (DDW) order in the Chern insulator layer serves as an effective mass. The edge states will be fully gapped by this DDW order. In the real space, the sign of the DDW order parameter changes at the system corners due to the $d$-wave factor, leading to the gapless corner states, indicating that this system may be in a higher order topological state. The higher order topology in this coupled system is confirmed based on the calculation of the edge polarization and the quadrupole moment. In the superconducting state where the superconducting order and the DDW order coexist, the Majorana corner states emerge.
description: 10 pages, 6 figures, including the supplemental material
The Helioseismic and Magnetic Imager (HMI) Vector Magnetic Field Pipeline: Optimization of the Spectral Line Inversion Code
Creators: name: Centeno, R.
name: Schou, J.
name: Hayashi, K.
name: Norton, A.
name: Hoeksema, J. T.
name: Liu, Y.
name: Leka, K. D.
name: Barnes, G.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The Very Fast Inversion of the Stokes Vector (VFISV) is a Milne-Eddington spectral line inversion code used to determine the magnetic and thermodynamic parameters of the solar photosphere from observations of the Stokes vector in the 6173 A Fe I line by the Helioseismic and Magnetic Imager (HMI) onboard the Solar Dynamics Observatory (SDO). We report on the modifications made to the original VFISV inversion code in order to optimize its operation within the HMI data pipeline and provide the smoothest solution in active regions. The changes either sped up the computation or reduced the frequency with which the algorithm failed to converge to a satisfactory solution. Additionally, coding bugs which were detected and fixed in the original VFISV release, are reported here.
description: Accepted for publication in Solar Physics
Additional file 1 of Development of a measure to assess the quality of proxy decisions about research participation on behalf of adults lacking capacity to consent: the Combined Scale for Proxy Informed Consent Decisions (CONCORD scale)
Creators: name: Shepherd, Victoria
name: Hood, Kerenza
name: Gillies, Katie
name: Wood, Fiona
Publisher: name: figshare
Year: 2022
Subjects: subject: Biochemistry
subject: Medicine
subject: Pharmacology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Sociology
subject: FOS: Sociology
subject: Developmental Biology
subject: Science Policy

description: Additional file 1. Illustrative quotes from participants in Phase 4 cognitive interviews.
Electronic structure of folded hexagonal boron nitride
Creators: name: Impellizzeri, Anthony
name: Amato, Michele
name: Ewels, Chris P.
name: Zobelli, Alberto
Publisher: name: arXiv
Year: 2022
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Folded regions are commonly encountered in a number of hexagonal boron nitride (h-BN) based bulk and nanostructured materials. Two types of structural modifications occur in folded h-BN layers: local curvature at the folded edges and interlayer shear of the layers which changes the stacking of the overlapping flat regions. In this work we discuss, via density functional theory simulations, the impact of these structural modifications on the ground state electronic structure of the pristine monolayer. We show that, depending on the fold orientation, the overlapping region might present different stacking configurations with subsequent variations of the fundamental band gap; further gap changes occur at the folded regions. The overall electronic structure of a BN folded monolayer can finally be described as a type-II junction between two wide gap semiconductors located at the curved and flat overlapping zones.
Final state interaction in $D^+\to K^-π^+π^+$ with $Kπ$ I=1/2 and 3/2 channels
Creators: name: Guimaræs, K. S. F. F.
name: Lourenço, O.
name: de Paula, W.
name: Frederico, T.
name: Reis, A. C. dos
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The final state interaction contribution to $D^+$ decays is computed for the $K^-π^+π^+$ channel within a light-front relativistic three-body model for the final state interaction. The rescattering process between the kaon and two pions in the decay channel is considered. The off-shell decay amplitude is a solution of a four-dimensional Bethe-Salpeter equation, which is decomposed in a Faddeev form. The projection onto the light-front of the coupled set of integral equations is performed via a quasi-potential approach. The S-wave $Kπ$ interaction is introduced in the resonant isospin $1/2$ and the non-resonant isospin $3/2$ channels. The numerical solution of the light-front tridimensional inhomogeneous integral equations for the Faddeev components of the decay amplitude is performed perturbatively. The loop-expansion converges fast, and the three-loop contribution can be neglected in respect to the two-loop results for the practical application. The dependence on the model parameters in respect to the input amplitude at the partonic level is exploited and the phase found in the experimental analysis, is fitted with an appropriate choice of the real weights of the isospin components of the partonic amplitude. The data suggests a small mixture of total isospin $5/2$ to the dominant $3/2$ one. The modulus of the unsymmetrized decay amplitude, which presents a deep valley and a following increase for $Kπ$ masses above $1.5$ GeV, is fairly reproduced. This suggests the assignment of the quantum numbers $0^+$ to the isospin 1/2 $K^*(1630)$ resonance.
Additional file 1 of Predicting falls in older adults: an umbrella review of instruments assessing gait, balance, and functional mobility
Creators: name: Beck Jepsen, D.
name: Robinson, K.
name: Ogliari, G.
name: Montero-Odasso, M.
name: Kamkar, N.
name: Ryg, J.
name: Freiberger, E.
name: Masud, T.
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: Science Policy

description: Additional file 1. Search strategy in Medline database.
title: Exploring Community-Based Nutrition Education Programs on Children’s Knowledge of Effective Budgeting and Nutritional Analysis
Creators: name: Beard, Danielle
name: Harris, Katie
name: Harrison, Charlotte
name: Hawley, Amanda
name: Healy, Kerri
name: Tuttle, Ashley
Publisher: name: Old Dominion University Libraries
Year: 2017

description: Children from low-income areas, ages 5-18, are at high risk for obesity and other related nutritional issues, partially due to lack of knowledge about effective budgeting and nutritional content analysis. Little information is known about the education provided by current community programs in Hampton Roads for teaching children to 1) shop smart, 2) read nutrition labels, and 3) the importance of eating healthier. We propose a longitudinal (12-week) observational study to determine what community-based education is provided to children on how and why to shop smart and read nutritional content; and to determine whether or not the education is effective. The data will be collected via researcher-developed questionnaires on nutritional education and attendance at community programs, then analyzed using the Pearson’s product-moment correlation technique.
Electron Attachment and Electron Ionization of Helium Droplets Containing Clusters of C60 and Formic Acid
Creators: name: Mahmoodi-Darian, Masoomeh
name: Maalouf, Elias Jabbour Al
name: Zöttl, Samuel
name: Scheier, Paul
name: Echt, Olof
Publisher: name: arXiv
Year: 2022
Subjects: subject: Atomic and Molecular Clusters (physics.atm-clus)
subject: FOS: Physical sciences

description: High-resolution mass spectra of helium droplets doped with C$_{60}$ and formic acid (FA) are ionized by electrons. Positive ion mass spectra reveal cluster ions [(C$_{60}$)$_p$FA$_n$]$^+$ together with their hydrogenated and dehydrogenated counterparts. Also observed are ions containing one or more water (W) molecules. The abundance distributions of these ions reveal several interesting features: i) [(C$_{60}$)$_p$FA$_n$]$^+$ ions are more abundant than hydrogenated [(C$_{60}$)$_p$FA$_n$H]$^+$ ions even though the opposite is true in the absence of C$_{60}$ (i.e. if $p$ = 0); ii) although [C$_{60}$FA]$^+$ is the most abundant ion containing a single C$_{60}$, multiple C$_{60}$ suppress the [(C$_{60}$)$_p$FA]$^+$ signal; iii) an enhanced stability of [(C$_{60}$)$_p$W$_1$FA$_5$H]$^+$ and [(C$_{60}$)$_p$W$_2$FA$_6$H]$^+$ mirrors that of [W$_1$FA$_5$H]$^+$ and [W$_2$FA$_6$H]$^+$, respectively. On the other hand, the enhanced stability of [C$_{60}$FA$_6$H]$^+$ finds no parallel in the stability pattern of [FA$_n$H]$^+$ or FA$_n$$^+$. Negative ion mass spectra indicate a propensity for non-dissociated [(C$_{60}$)$_p$FA$_n$]$^-$ anions if $p \geq 1$ which contrasts with the dominance of dehydrogenated [FA$_n$-H]$^-$ anions.
description: 10 pages, 5 figures
Additional file 1 of Factors that distinguish opioid withdrawal during induction with buprenorphine microdosing: a configurational analysis
Creators: name: K. K., Adams
name: E. J., Miech
name: D. M., Sobieraj
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: Computational Biology

description: Additional file 1: Table S1. Cases included in the analysis. Table S2. Factors and definitions.
Additional file 2 of Factors that distinguish opioid withdrawal during induction with buprenorphine microdosing: a configurational analysis
Creators: name: K. K., Adams
name: E. J., Miech
name: D. M., Sobieraj
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: Computational Biology

description: Additional file 2: Figure S1. Solution visualization for positive model (presence of any withdrawal symptoms); model consistency = 100% and model coverage = 100%. Figure S2. Solution visualization for negative model (absence of any withdrawal symptoms); model consistency = 100% and model coverage = 80%.
Negative heat capacity for hot nuclei: confirmation with formulation from the microcanonical ensemble
Creators: name: Borderie, B.
name: Piantelli, S.
name: Frankland, J. D.
name: Neindre, N. Le
Publisher: name: arXiv
Year: 2022
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: By using freeze-out properties of multifragmenting hot nuclei produced in quasifusion central $^{129}$Xe+$^{nat}$Sn collisions at different beam energies (32, 39, 45 and 50 AMeV) which were estimated by means of a simulation based on experimental data collected by the $4π$ INDRA multidetector, heat capacity in the thermal excitation energy range 4 - 12.5 AMeV was calculated from total kinetic energies and multiplicities at freeze-out. The microcanonical formulation was employed. Negative heat capacity which indicates a first order phase transition for finite systems is observed and confirms previous results using a different method.
description: 7 pages with 5 figures. arXiv admin note: substantial text overlap with arXiv:2010.02736