cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Energy of Isolated Systems at Retarded Times as the Null Limit of Quasilocal Energy
Creators: name: Brown, J. D.
name: Lau, S. R.
name: York,, J. W.
Publisher: name: arXiv
Year: 1996
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We define the energy of a perfectly isolated system at a given retarded time as the suitable null limit of the quasilocal energy $E$. The result coincides with the Bondi-Sachs mass. Our $E$ is the lapse-unity shift-zero boundary value of the gravitational Hamiltonian appropriate for the partial system $Σ$ contained within a finite topologically spherical boundary $B = \partial Σ$. Moreover, we show that with an arbitrary lapse and zero shift the same null limit of the Hamiltonian defines a physically meaningful element in the space dual to supertranslations. This result is specialized to yield an expression for the full Bondi-Sachs four-momentum in terms of Hamiltonian values.
description: REVTEX, 16 pages, 1 figure
Direct Quantitative Photoacoustic Tomography for realistic acoustic media
Creators: name: Javaherian, Ashkan
name: Holman, Sean
Publisher: name: arXiv
Year: 2018
Subjects: subject: Optimization and Control (math.OC)
subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 65M32

description: Quantitative photo-acoustic tomography (QPAT) seeks to reconstruct a distribution of optical attenuation coefficients inside a sample from a set of time series of pressure data that is measured outside the sample. The associated inverse problems involve two steps, namely acoustic and optical, which can be solved separately or as a direct composite problem. We adopt the latter approach for realistic acoustic media that possess heterogeneous and often not accurately known distributions for sound speed and ambient density, as well as an attenuation following a frequency power law that is evident in tissue media. We use a Diffusion Approximation (DA) model for the optical portion of the problem. We solve the corresponding composite inverse problem using three total variation (TV) regularised optimisation approaches. Accordingly, we develop two Krylov-subspace inexact-Newton algorithms that utilise the Jacobian matrix in a matrix-free manner in order to handle the computational cost. Additionally, we use a gradient-based algorithm that computes a search direction using the L-BFGS method, and applies a TV regularisation based on the Alternating Direction Method of Multipliers (ADMM) as a benchmark, because this method is popular for QPAT and direct QPAT. The results indicate the superiority of the developed inexact Newton algorithms over gradient-based Quasi-Newton approaches for a comparable computational complexity.
description: 37 pages, 32 pages
A Monte Carlo Study of Equilibrium Polymers in a Shear Flow
Creators: name: Milchev, A.
name: Wittmer, J. P.
name: Landau, D. P.
Publisher: name: arXiv
Year: 1999
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We use an off-lattice microscopic model for solutions of equilibrium polymers (EP) in a lamellar shear flow generated by means of a self-consistent external field between parallel hard walls. The individual conformations of the chains are found to elongate in flow direction and shrink perpendicular to it while the average polymer length decreases with increasing shear rate. The Molecular Weight Distribution of the chain lengths retains largely its exponential form in dense solutions whereas in dilute solutions it changes from a power-exponential Schwartz distribution to a purely exponential one upon an increase of the shear rate.
description: 13 pages, 9 figures, LATEX. EPJ B, accepted May 1999
The participation of pharmaceutical assistance at the micro level of governance of a public teaching hospital of the SUS. A participação da assistência farmacêutica no nível micro da governança de um hospital público de ensino do SUS.
Creators: name: Cesar Silveira, Giuliano
name: Vieira Fernandes Corrêa, Lucas
name: Santos Capitelli Fuzaro, Caroline
name: Barreto Teixeira, Liliane
name: de Castro Melo, Daniela
name: Camargo, Fernanda Carolina
Publisher: name: figshare
Year: 2025
Subjects: classificationCode: 350701
subject: Corporate governance
classificationCode: 350705
subject: Innovation management
classificationCode: 350709
subject: Organisation and management theory
classificationCode: 350710
subject: Organisational behaviour
classificationCode: 350711
subject: Organisational planning and management
classificationCode: 350714
subject: Public sector organisation and management
classificationCode: 321403
subject: Clinical pharmacy and pharmacy practice
classificationCode: 420306
subject: Health care administration
classificationCode: 420309
subject: Health management

description: The objective is to identify how the participation of Pharmaceutical Assistance occurs at the micro level of governance in a public teaching hospital of the Unified Health System. This is a single, exploratory-descriptive case study, composed of multiple units of analysis. It was carried out in the first half of 2024, within the scope of the Clinical Hospital of the Federal University of Triângulo Mineiro of the Brazilian Hospital Services Company. The following were investigated: the characteristics of the scenario, the pharmaceutical assistance service and its participation in governance through the analysis of documents available on the hospital's official website. And, the results presented in a qualitative and quantitative way. According to the case description, it is a macro-regional reference hospital with high health complexity. In it, pharmaceutical assistance is included in governance by composing the institutional organization chart by a specific sector - Hospital Pharmacy Sector and two support units - Clinical Pharmacy Unit and Pharmaceutical Dispensing Unit. It has representation from the sector in: 60% of the total committees in force at the hospital, 39% of the Commissions and 24% of the technical working groups - which are consultative and deliberative spaces for organizational governance. Thus, pharmaceutical assistance is part of legitimizing hospital management actions, controlling costs, reducing errors, promoting quality of care and patient safety. Mainly integrating strategic management, risk management and internal control. Future research is recommended to evaluate the impacts of this participation on public hospital governance.
title: Coastal process impact assessment in relation to offshore wave energy development
Creators: name: Murphy, Jimmy
Publisher: name: ASC 2011
Year: 2024
Subjects: Technologies and data
Ecosystem observation, processes and dynamics

description: No abstracts are to be cited without prior reference to the author.At present there is no commercial operational wave energy site worldwide but a number of countries with high resource levels have set up test sites with the view to deploying precommercial prototype devices. The creation of these sites has led to the examination of potential impacts on the coastal physical environment, particularly since wave energy convertors (WECs) can have a direct effect on the local and far‐field hydrodynamics. Potential changes to the wave and current regime could affect human activities (boating, surfing, etc.) as well as sedimentary processes, possibly leading to areas of erosion and accretion along the affected coastline. The magnitude of any impact depends on a number of factors, which include: size and type of WEC, array layout, location relative to shoreline, wave climate, seabed conditions, and coastline type. As it is likely that no two sites would be the same, it makes the development of a standard assessment methodology very difficult. Much of the work carried out thus far on offshore renewable impact assessments relate to wind turbine developments and while these provide useful information, the methodologies developed cannot be directly applied to WEC sites. Generally, for offshore wind developments apart from local effects around the foundation structure (primarily scour), the overall impact is negligible. Therefore in the current study existing site assessment methodologies are examined and a revised methodology is developed for wave energy sites, which is then applied to the Belmullet wave energy test site in County Mayo in Ireland.
Experimental Investigation of the Transition Energy $γ_t$ in the Isochronous Mode of the HIRFL-CSRe
Creators: name: Ge, W. W.
name: Yuan, Y. J.
name: Yang, J. C.
name: Chen, R. J.
name: Yan, X. L.
name: Du, H.
name: Li, Z. S.
name: Yang, J.
name: Yin, D. Y.
name: Mao, L. J.
name: Li, X. N.
name: Zheng, W. H.
name: Shen, G. D.
name: Wu, B.
name: Ruan, S.
name: Wang, G.
name: Zhao, H.
name: Wang, M.
name: Sun, M. Z.
name: Xing, Y. M.
name: Zhang, P.
name: Fu, C. Y.
name: Shuai, P.
name: Xu, X.
name: Zhang, Y. H.
name: Bao, T.
name: Chen, X. C.
name: Huang, W. J.
name: Li, H. F.
name: Liu, J. H.
name: Litvinov, Yu. A.
name: Litvinov, S.
name: Zeng, Q.
name: Zhou, X.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: The Isochronous Mass Spectrometry (IMS) based on storage rings is a powerful technique for mass measurement of short-lived exotic nuclei. The transition energy $γ_t$ of the storage ring is a vital parameter of the IMS technique. It is difficult to measure the $γ_t$ and its relation to momentum spread or circulating length, especially to monitor the variation of $γ_t$ during experiments. An experimental investigation on the $γ_t$ has been performed for the IMS experiment at the Cooler Storage Ring of the Heavy Ion Research Facility in Lanzhou (HIRFL-CSRe). With the velocity measured by two time-of-flight (TOF) detectors, the $γ_t$ as a function of orbital length can be determined. The influences of higher order magnetic field components on the $γ_t$ function were inferred for isochronous correction. This paper introduces and investigates the influence of dipole magnetic fields, quadrupole magnetic fields and sextupole magnetic fields on the $γ_t$ function. With the quadrupole magnets and sextupole magnets corrections, a mass resolution of 171332 (FWHM) and $σ(T)/T=1.34\times10^{-6}$ were reached, which shall be compared with 31319 (FWHM) and $σ(T)/T=7.35\times10^{-6}$ obtained without correction.
description: 10 figures,19 pages
Mixed Initiative in Dialogue: An Investigation into Discourse Segmentation
Creators: name: Walker, Marilyn
name: Whittaker, Steve
Publisher: name: arXiv
Year: 1995
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: Conversation between two people is usually of mixed-initiative, with control over the conversation being transferred from one person to another. We apply a set of rules for the transfer of control to 4 sets of dialogues consisting of a total of 1862 turns. The application of the control rules lets us derive domain-independent discourse structures. The derived structures indicate that initiative plays a role in the structuring of discourse. In order to explore the relationship of control and initiative to discourse processes like centering, we analyze the distribution of four different classes of anaphora for two data sets. This distribution indicates that some control segments are hierarchically related to others. The analysis suggests that discourse participants often mutually agree to a change of topic. We also compared initiative in Task Oriented and Advice Giving dialogues and found that both allocation of control and the manner in which control is transferred is radically different for the two dialogue types. These differences can be explained in terms of collaborative planning principles.
description: 8 pages, latex
title: Sources of underwater noise and disturbance arising from marine renewable developments
Creators: name: Side, J.
name: Beharie, R.
Publisher: name: ASC 2011
Year: 2024
Subjects: Technologies and data
Ecosystem observation, processes and dynamics

description: No abstracts are to be cited without prior reference to the author.Anthropogenic underwater noise has received increasing attention in recent years and is one of the Marine Strategy Framework Directive’s descriptors of good environmental status. Wave and tidal energy projects pose new challenges, not simply during their operational phase, but requiring a variety of installation methods for each device design where the disturbance arising from sources of underwater noise are only now being considered. The paper reviews the sources of underwater noise associated with the development of this new sector using hydrophone data from a variety of sources and the methods and studies conducted to date to determine noise levels. Sources of underwater noise arising from the deployment of marine renewable devices are compared with background and other sources of anthropogenic noise in the location of marine renewable energy developments. We examine the models used for transmission loss and the present thresholds that are applied to the disturbance of marine mammals in the vicinity, highlighting those sources of most concern and suggesting methods of mitigation based upon the behavioural tendencies of particular protected species.
Spatial inhomogeneities in the sedimentation of biogenic particles in ocean flows: analysis in the Benguela region
Creators: name: Monroy, Pedro
name: Drotos, Gabor
name: Hernandez-Garcia, Emilio
name: Lopez, Cristobal
Publisher: name: arXiv
Year: 2019
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: FOS: Physical sciences

description: Sedimentation of particles in the ocean leads to inhomogeneous horizontal distributions at depth, even if the release process is homogeneous. We study this phenomenon considering a horizontal sheet of sinking particles immersed in an oceanic flow, and determine how the particles are distributed when they sediment on the seabed (or are collected at a given depth). The study is performed from a Lagrangian viewpoint attending to the properties of the oceanic flow and the physical characteristics (size and density) of typical biogenic sinking particles. Two main processes determine the distribution, the stretching of the sheet caused by the flow and its projection on the surface where particles accumulate. These mechanisms are checked, besides an analysis of their relative importance to produce inhomogeneities, with numerical experiments in the Benguela region. Faster (heavier or larger) sinking particles distribute more homogeneously than slower ones.
description: 24 pages, 8 figures. To appear in J. Geophys. Res.-Oceans
Additional file 2: of Audience segmentation to disseminate behavioral health evidence to legislators: an empirical clustering analysis
Creators: name: Purtle, Jonathan
name: Lê-Scherban, Félice
name: Wang, Xi
name: Shattuck, Paul
name: Proctor, Enola
name: Brownson, Ross
Publisher: name: figshare
Year: 2018
Subjects: subject: Medicine
subject: Biotechnology
subject: Sociology
subject: FOS: Sociology
subject: Developmental Biology
subject: Science Policy
subject: Infectious Diseases
subject: FOS: Health sciences

description: Source of behavioral health research across the three audience segments, US state legislators, 2017 (N = 475). (DOCX 48 kb)
Evolution of ultra-relativistic hollow-electron-beam wakefield drivers during their propagation in plasmas
Creators: name: Jain, Neeraj
Publisher: name: arXiv
Year: 2018
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: Ultra-relativistic hollow electron beams can drive plasma wakefields ($\sim$ GV/m) suitable for positron acceleration. Stable propagation of hollow electron beams for long distances in plasmas is required to accelerate positrons to high energies by these plasma wakefields. In this work, we show by quasi-static kinetic simulations using the code WAKE that an ultra-relativistic azimuthally-symmetric hollow electron beam propagates in a plasma by developing fish-bone like structure and shifting its bulk, differentially along its length (rear part fastest), towards its axis due to the decrease in the betatron time period of beam electrons from the beam-front to beam-rear. Hollow electron beams with small radius collapse into their axis due to the pull by the secondary wakefields generated by some of the beam electrons reaching the axis. Hollow beams with sufficiently large radius, however, can propagate stably in plasmas for several meters and be used for positron acceleration.
description: 8 figures
Serendipitous Discoveries of Kilonovae in the LSST Main Survey: Maximising Detections of Sub-Threshold Gravitational Wave Events
Creators: name: Setzer, Christian N.
name: Biswas, Rahul
name: Peiris, Hiranya V.
name: Rosswog, Stephan
name: Korobkin, Oleg
name: Wollaeger, Ryan T.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We investigate the ability of the Large Synoptic Survey Telescope (LSST) to discover kilonovae (kNe) from binary neutron star (BNS) and neutron star-black hole (NSBH) mergers, focusing on serendipitous detections in the Wide-Fast-Deep (WFD) survey. We simulate observations of kNe with proposed LSST survey strategies, paying particular attention to cadence choices that are compatible with the broader LSST cosmology programme. We find that if all kNe are identical to GW170817, the baseline survey strategy will yield 58 kNe over the survey lifetime. If we instead assume a representative population model of BNS kNe, we expect to detect only 27 kNe. However, we find the choice of survey strategy significantly impacts these numbers and can increase them to 254 kNe and 82 kNe over the survey lifetime, respectively. This improvement arises from an increased cadence of observations between different filters with respect to the baseline. We then consider the ability of the Advanced LIGO/Virgo (ALV) detector network to detect these BNS mergers. If the optimal survey strategy is adopted, 202 of the GW170817-like kNe and 56 of the BNS population model kNe are detected with LSST but are below the threshold for detection by the ALV network. This represents, for both models, an increase by a factor greater than 4.5 in the number of detected sub-threshold events over the baseline survey strategy. Such a population of sub-threshold events would provide an opportunity to conduct electromagnetic-triggered searches for signals in gravitational-wave detector data and assess selection effects in measurements of the Hubble constant from standard sirens, e.g., related to viewing angle effects.
description: 14 pages, 9 figures, 6 tables, to be submitted to MNRAS; v2: version accepted by MNRAS. Minor clarifications added
Spatio-temporal organization of vehicles in a cellular automata model of traffic with 'slow-to-start' rule
Creators: name: Chowdhury, Debashish
name: Santen, Ludger
name: Schadschneider, Andreas
name: Sinha, Shishir
name: Pasupathy, Abhay
Publisher: name: arXiv
Year: 1998
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The spatio-temporal organizations of vehicular traffic in cellular-automata models with "slow-to-start" rules are qualitatively different from those in the Nagel-Schreckenberg (NaSch) model of highway traffic. Here we study the effects of such a slow-to-start rule, introduced by Benjamin, Johnson and Hui (BJH), on the the distributions of the distance-headways, time-headways, jam sizes and sizes of the gaps between successive jams by a combination of approximate analytical calculations and extensive computer simulations. We compare these results for the BJH model with the corresponding results for the NaSch model and interpret the qualitative differences in the nature of the spatio-temporal organizations of traffic in these two models in terms of a phase separation of the traffic caused by the slow-to-start rule in the BJH model.
description: Final published version; one paragraph added at the end of the concluding section
On the QCD Sum Rule Determination of the Strange Quark Mass
Creators: name: Colangelo, P.
name: De Fazio, F.
name: Nardulli, G.
name: Paver, N.
Publisher: name: arXiv
Year: 1997
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the QCD Sum Rule determination of $m_s$ using the two-point correlator of divergences of $ΔS=1$ vector currents, the final uncertainty on $m_s$ is mainly due to the hadronic spectral function. Using a specific parameterization which fully takes into account the available experimental data on the $K π$ ($I=1/2, J^P=0^+)$ system, characterized by the presence of a relevant nonresonant component in addition to the resonant one, we find ${\bar m_s}(1 GeV)\ge 120 MeV$. In particular, varying only the parameters describing the nonresonant $K π$ component and $Λ_{\bar {MS}}^{n_f=3}$ we obtain ${\bar m_s}(1 GeV)=125 - 160 MeV$. This result is smaller than analogous ones obtained by using a parameterization in terms of only resonant states. We discuss how to systematically improve the determination of $m_s$ by this method.
description: Latex, 13 pages, 3 figures
The participation of pharmaceutical assistance at the micro level of governance of a public teaching hospital of the SUS. A participação da assistência farmacêutica no nível micro da governança de um hospital público de ensino do SUS.
Creators: name: Vieira Fernandes Corrêa, Lucas
name: Cesar Silveira, Giuliano
name: Santos Capitelli Fuzaro, Caroline
name: Barreto Teixeira, Liliane
name: de Castro Melo, Daniela
name: Camargo, Fernanda Carolina
Publisher: name: figshare
Year: 2025
Subjects: classificationCode: 350701
subject: Corporate governance
classificationCode: 350705
subject: Innovation management
classificationCode: 350709
subject: Organisation and management theory
classificationCode: 350710
subject: Organisational behaviour
classificationCode: 350711
subject: Organisational planning and management
classificationCode: 350714
subject: Public sector organisation and management
classificationCode: 321403
subject: Clinical pharmacy and pharmacy practice
classificationCode: 420306
subject: Health care administration
classificationCode: 420309
subject: Health management

description: The objective is to identify how the participation of Pharmaceutical Assistance occurs at the micro level of governance in a public teaching hospital of the Unified Health System. This is a single, exploratory-descriptive case study, composed of multiple units of analysis. It was carried out in the first half of 2024, within the scope of the Clinical Hospital of the Federal University of Triângulo Mineiro of the Brazilian Hospital Services Company. The following were investigated: the characteristics of the scenario, the pharmaceutical assistance service and its participation in governance through the analysis of documents available on the hospital's official website. And, the results presented in a qualitative and quantitative way. According to the case description, it is a macro-regional reference hospital with high health complexity. In it, pharmaceutical assistance is included in governance by composing the institutional organization chart by a specific sector - Hospital Pharmacy Sector and two support units - Clinical Pharmacy Unit and Pharmaceutical Dispensing Unit. It has representation from the sector in: 60% of the total committees in force at the hospital, 39% of the Commissions and 24% of the technical working groups - which are consultative and deliberative spaces for organizational governance. Thus, pharmaceutical assistance is part of legitimizing hospital management actions, controlling costs, reducing errors, promoting quality of care and patient safety. Mainly integrating strategic management, risk management and internal control. Future research is recommended to evaluate the impacts of this participation on public hospital governance.
Konfliktregelung in der Erdölindustrie am Beispiel der Vorhaben im ecuadorianischen Amazonasgebiet und dem venezolanischen Orinokobecken
Bedingungen, Regeln und Instrumente für die Konfliktregelung zwischen indigenen Völkern, Erdölunternehmen und Staat zur Ressourcennutzung auf indigenen Territorien
Creators: name: Feldt, Heidi
Publisher: name: Universität Kassel
Year: 2008
Subjects: subject: 300
subject: 330
subject: Ecuador
subject: Amazonas-Gebiet
subject: Erdölindustrie
subject: Konfliktregelung
subject: Indigenes Volk
subject: Venezuela
subject: Orinokodelta

description: Zugleich: Dissertation, Universität Kassel, 2007
Importance of Correlation Effects on Magnetic Anisotropy in Fe and Ni
Creators: name: Yang, Imseok
name: Savrasov, Sergej Y.
name: Kotliar, Gabriel
Publisher: name: arXiv
Year: 2000
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We calculate magnetic anisotropy energy of Fe and Ni by taking into account the effects of strong electronic correlations, spin-orbit coupling, and non-collinearity of intra-atomic magnetization. The LDA+U method is used and its equivalence to dynamical mean-field theory in the static limit is emphasized. Both experimental magnitude of MAE and direction of magnetization are predicted correctly near U=4 eV for Ni and U=3.5 eV for Fe. Correlations modify one-electron spectra which are now in better agreement with experiments.
description: 4 pages, 2 figures
Acoustic characterization of the Greek rhotic in clusters
Creators: name: Baltazani, Mary
Publisher: name: Selected papers on theoretical and applied linguistics
Year: 2009
Subjects: rhotic; tap; vowel-like transition; consonant cluster; trill

description: This paper presents the results of a production experiment which examines the acoustic characteristics of the Greek rhotic sound in consonant clusters. The experimental results suggest that in this position the Greek rhotic has a different realization from the intervocalic rhotic: while in intervocalic position this sound is realized as a tap, in consonant clusters the tap closure is accompanied by a short vowellike transition between the tap closure and the second consonant of the cluster. The presence of the vowel-like transition was systematic, appearing in 79.5% of the tokens, and is discussed in reference to similar realizations found in many other languages.
description: Selected papers on theoretical and applied linguistics, Vol 18 (2009): Selected Papers from the 18th International Symposium on Theoretical and Aplied Linguistics, Thessaloniki 4-6 May 2007
Disorder-Induced Weyl Semimetal Phase and Sequential Band Inversions in PbSe-SnSe Alloys
Creators: name: Wang, Zhi
name: Liu, Qihang
name: Zunger, Alex
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: The search for topological systems has recently broadened to include random substitutional alloys, which lack the specific crystalline symmetries that protect topological phases, raising the question whether topological properties can be preserved, or are modified by disorder. To address this question, we avoid methods that assumed at the outset high (averaged) symmetry, using instead a fully-atomistic, topological description of alloy. Application to PbSe-SnSe alloy reveals that topology survives in an interesting fashion: (a) spatial randomness removes the valley degeneracy (splitting larger than 150 meV), leading to a sequential inversion of the split valley components over a range of compositions; (b) absence of inversion lifts spin degenerates, leading to a Weyl semimetal phase without the need of external magnetic field, an unexpected result, given that the alloy constituent compounds are inversion-symmetric. (a) and (b) underpin the topological physics at low symmetry and complete the missing understanding of possible topological phases within the normal-topological insulator transition.
description: 22 pages, 7 figures, 2 tables
title: Wave energy converters, sediment transport and coastal erosion
Creators: name: Vӧgler, Arne
name: Christie, David
name: Lidster, Malcolm
name: Morrison, James
Publisher: name: ASC 2011
Year: 2024
Subjects: Technologies and data
Ecosystem observation, processes and dynamics

description: No abstracts are to be cited without prior reference to the author.As a simplified assumption the northwestern coastline of the Isle of Lewis in Scotland can be taken as a system in a state of equilibrium. The seasonal removal of sediment from the beaches during winter storm events is counterbalanced by a natural recovery period during summer. The area has one of the highest wave energy resources in Europe, and it is anticipated that large‐scale deployments of wave energy converters will occur within the next decade. With a location at the edge of the Atlantic the area is also affected by the consequences of global warming, namely the forecasted increase of severe weather events and rising sea levels. Changes to one parameter in a system in equilibrium will force changes to the wider environment and this paper investigates if and how the smart siting of wave energy converters can be used to offset potentially destructive impacts caused by global warming. For example, the devices will absorb and dissipate wave energy: this could promote landside littoral deposit, augmenting coastal defences. Effects of largescale installations of nearshore wave energy converters on the coastline are modelled numerically with experimental validation on micro‐scale models. The importance of access to baseline data are described and the continuous research activity monitors seasonal changes to the sediment patterns of selected locations on the Isle of Lewis with the aim of supporting theoretical forecasted and modelled impacts on the system with hard data over the years.
The Allegro gravitational wave detector: Data acquisition and analysis
Creators: name: Mauceli, E.
name: Geng, Z. K.
name: Hamilton, W. O.
name: Johnson, W. W.
name: Merkowitz, S.
name: Morse, A.
name: Price, B.
name: Solomonson, N.
Publisher: name: arXiv
Year: 1996
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We discuss the data acquisition and analysis procedures used on the Allegro gravity wave detector, including a full description of the filtering used for bursts of gravity waves. The uncertainties introduced into timing and signal strength estimates due to stationary noise are measured, giving the windows for both quantities in coincidence searches.
description: 26 pages, 18 figures
A conceptual and procedural view of causal connectives: the case of Modern Greek γiati and epiδι
Creators: name: Bardzokas, Valandis
Publisher: name: Selected papers on theoretical and applied linguistics
Year: 2009
Subjects: causal connectives; relevance; procedural vs. conceptual operation

description: The current analysis takes a relevance-theoretic view of the two most frequently applied mono-lexemic causal connectives in Modern Greek discourse, i.e. γiati and epiδι. The suggestion is that epiδι-introduced clauses are to be treated conceptually, while γiati performs either a conceptual or procedural function depending on its use. This treatment follows up on Kitis's (2006) findings regarding the operation of the connectives under discussion. It will be concluded that the relevance-theoretic based results corroborate Kitis' s account and, further, offer a more refined explication of the constraints on the application of the conjuncts. In fact, it will be illustrated that the theory in application offers the required tools for distinguishing among three types of procedural meaning underlying the interpretation of γiati.
description: Selected papers on theoretical and applied linguistics, Vol 18 (2009): Selected Papers from the 18th International Symposium on Theoretical and Aplied Linguistics, Thessaloniki 4-6 May 2007
Additional file 6: of Amyloid positron emission tomography and cerebrospinal fluid results from a crenezumab anti-amyloid-beta antibody double-blind, placebo-controlled, randomized phase II study in mild-to-moderate Alzheimer’s disease (BLAZE)
Creators: name: Salloway, Stephen
name: Honigberg, Lee
name: Cho, William
name: Ward, Michael
name: Friesenhahn, Michel
name: Brunstein, Flavia
name: Quartino, Angelica
name: Clayton, David
name: Mortensen, Deborah
name: Bittner, Tobias
name: Ho, Carole
name: Rabe, Christina
name: Schauer, Stephen
name: Wildsmith, Kristin
name: Fuji, Reina
name: Suliman, Shehnaaz
name: Reiman, Eric
name: Chen, Kewei
name: Paul, Robert
Publisher: name: figshare
Year: 2018
Subjects: subject: Biochemistry
subject: Medicine
subject: Cell Biology
subject: Neuroscience
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: Computational Biology

description: Figure S4. CSF Aβ(1–42) crenezumab correlation analysis. Correlation analysis of change in CSF Aβ(1–42) from baseline and crenezumab concentrations at week 69 in patients in the low-dose SC cohort (circles) and high-dose cohort (triangles). (PDF 98 kb)
Thermodynamical Properties of a Spin 1/2 Heisenberg Chain Coupled to Phonons
Creators: name: Kühne, Rainer W.
name: Löw, Ute
Publisher: name: arXiv
Year: 1999
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We performed a finite-temperature quantum Monte Carlo simulation of the one-dimensional spin-1/2 Heisenberg model with nearest-neighbor interaction coupled to Einstein phonons. Our method allows to treat easily up to 100 phonons per site and the results presented are practically free from truncation errors. We studied in detail the magnetic susceptibility, the specific heat, the phonon occupation, the dimerization, and the spin-correlation function for various spin-phonon couplings and phonon frequencies. In particular we give evidence for the transition from a gapless to a massive phase by studying the finite-size behavior of the susceptibility. We also show that the dimerization is proportional to $g^2/Ω$ for $T<2J$.
description: 10 pages, 17 Postscript Figures
Impact of inhomogeneous reionization on the Lyman-α forest
Creators: name: Montero-Camacho, Paulo
name: Hirata, Christopher M.
name: Martini, Paul
name: Honscheid, Klaus
Publisher: name: arXiv
Year: 2019
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The \lya forest at high redshifts is a powerful probe of reionization. Modeling and observing this imprint comes with significant technical challenges: inhomogeneous reionization must be taken into account while simultaneously being able to resolve the web-like small-scale structure prior to reionization. In this work we quantify the impact of inhomogeneous reionization on the \lya forest at lower redshifts ($2 < z < 4$), where upcoming surveys such as DESI will enable precision measurements of the flux power spectrum. We use both small box simulations capable of handling the small-scale structure of the \lya forest and semi-numerical large box simulations capable of representing the effects of inhomogeneous reionization. We find that inhomogeneous reionization could produce a measurable effect on the \lya forest power spectrum. The deviation in the 3D power spectrum at $z_{\rm obs} = 4$ and $k = 0.14 \ \rm{Mpc}^{-1}$ ranges from $19 - 36\%$, with a larger effect for later reionization. The corrections decrease to $2.0 - 4.1\%$ by $z_{\rm obs} = 2$. The impact on the 1D power spectrum is smaller, and ranges from $3.3 - 6.5\%$ at $z_{\rm obs}=4$ to $0.35 - 0.75\%$ at $z_{\rm obs}=2$, values which are comparable to the statistical uncertainties in current and upcoming surveys. Furthermore, we study how can this systematic be constrained with the help of the quadrupole of the 21 cm power spectrum.
description: New version matches the accepted version for publication. 11 pages, 5 figures
Additional file 1 of Assessment of the mental workload of trainee pilots of remotely operated aircraft using functional near-infrared spectroscopy
Creators: name: Tang, Liya
name: Si, Juanning
name: Sun, Lei
name: Mao, Gengsheng
name: Yu, Shengyuan
Publisher: name: figshare
Year: 2022
Subjects: Biophysics
Space Science
Medicine
Neuroscience
Pharmacology
Biological Sciences not elsewhere classified
Mental Health

description: Additional file 1: Supplementary Table 1. Correlation among hemodynamic parameters of thetrainee pilots.
Spectral Properties and Quantum Phase Transitions in Superconducting Junctions with a Ferromagnetic Link
Creators: name: Rouco, Mikel
name: Tokatly, Ilya V.
name: Bergeret, F. S.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We study theoretically the spectral and transport properties of a superconducting wire with a magnetic defect. We start by modelling the system as a one dimensional magnetic Josephson junction and derive the equation determining the full subgap spectrum in terms of the normal-state transfer matrix for arbitrary length and exchange field of the magnetic region. We demonstrate that the quantum phase transition predicted for a short-range magnetic impurity, and associated with a change of the total spin of the system, also occurs in junctions of finite length. Specifically, we find that the total spin changes discontinuously by integer jumps when bounds states cross the Fermi level. The spin can be calculated by using a generalization of Friedel sum rule for the superconducting state, which we also derive. With these tools, we analyze the subgap spectrum of a junction with the length of the magnetic region smaller than the superconducting coherence length and demonstrate how phase transitions also manifest as change of the sign of the supercurrent.
description: 7 pages, 3 figures
title: SOWFIA: learning from impact assessments of European wave energy developments
Creators: name: Leeney, Ruth H.
name: Conley, Daniel
name: O’Hagan, Anne Marie
name: Holmes, Brian
name: Olivares, Cristina Huertas
name: Osta, Victoria
name: Greaves, Deborah
Publisher: name: ASC 2011
Year: 2024
Subjects: Technologies and data
Ecosystem observation, processes and dynamics

description: No abstracts are to be cited without prior reference to the author.The lack of a coordinated approach to conducting environmental impact assessments (EIA) at wave energy sites across Europe has been identified as a barrier to expansion of the wave energy industry. This is contributing to already inconsistent approaches to EIAs, resulting in a lack of effective and cohesive environmental monitoring. The SOWFIA Project aims to address this by bringing together ten European partners engaged in monitoring at a number of established wave energy test centres. Key objectives of the project are: (i) to identify barriers and accelerators in existing EIA processes in EU Member States; (ii) to assess EIA topics and methodologies utilized at test centres, and (iii) to make recommendations on how planning approval processes could be streamlined. To achieve these objectives, the project encourages active sharing and consolidation of information garnered from wave energy development consenting processes to date, with specific reference to best practices in implementing EIA for wave energy. The project has produced a catalogue of wave energy test centres across Europe, set in the context of EU targets for renewable energy, Member States’ development aspirations, and spatial area requirements. This is complemented by an inventory of EIA datasets being collected at European wave energy test centres which will be incorporated into a data‐management platform that will facilitate analysis of current impact detection capabilities. These initiatives should prove invaluable in suggesting how the EIA process can be streamlined to ensure environmental protection and more efficient, and economically effective, project development in future.
Dynamic Simulations of the Kosterlitz-Thouless Phase Transition
Creators: name: Zheng, B.
name: Schulz, M.
name: Trimper, S.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Based on the short-time dynamic scaling form, a novel dynamic approach is proposed to tackle numerically the Kosterlitz-Thouless phase transition. Taking the two-dimensional XY model as an example, the exponential divergence of the spatial correlation length, the transition temperature $T_{KT}$ and all critical exponents are computed. Compared with Monte Carlo simulations in equilibrium, we obtain data at temperatures nearer to $T_{KT}$.
description: to appear in Phys. Rev. E in Rapid Communication
Spin-wave mediated interactions for Majority Computation using Skyrmions and Spin-torque Nano-oscillators
Creators: name: Miriyala, Venkata Pavan Kumar
name: Zhu, Zhifeng
name: Liang, Gengchiau
name: Fong, Xuanyao
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Recent progress in all-electrical nucleation, detection and manipulation of magnetic skyrmions has unlocked the tremendous potential of skyrmion-based spintronic devices. Here, we show via micromagnetic simulations that the stable magnetic oscillations of STNO radiate spin waves (SWs) that can be scattered in the presence of skyrmions in the near vicinity. Interference between SWs emitted by the STNO and SWs scattered by the skyrmion gives rise to interesting dynamics that leads to amplification or attenuation of STNO's magnetic oscillations. In the presence of strong Dzyaloshinskii-Moriya interaction (DMI), the amplified magnetic oscillations evolve into a new skyrmion. These interactions between skyrmions and STNOs are found to be identical for both Neel-type and Bloch-type skyrmions, and are not observed between domain walls and STNOs. These findings offer a novel perspective in processing information using single skyrmions and we propose a 3-bit majority gate for logic applications.
description: Final Version
Subject-to-Object Raising Constructions in Modern Greek
Creators: name: Beys, Michael
Publisher: name: Selected papers on theoretical and applied linguistics
Year: 2009
Subjects: control; raising; subjunctive; Exceptional-Case-Marking; finiteness

description: This paper will examine constructions of Greek that are near-identical to Object Control structures in English. However, unlike English, the embedded clause is not infinitival, but it is introduced by the subjunctive marker na, followed by an inflected verb . I will argue that at least for some verbs in Greek the object of the main clause is generated as the subject of the embedded clause. Such a raising approach is similar to the one proposed by Hornstein (1999 ) and Boeckx & Hornstein (2003) for English and I will further argue that for both English and Greek the landing site of the moved DP is the specifier of the main clause VP.
description: Selected papers on theoretical and applied linguistics, Vol 18 (2009): Selected Papers from the 18th International Symposium on Theoretical and Aplied Linguistics, Thessaloniki 4-6 May 2007
title: Development of a tidal turbine scheme in a three-dimensional hydrodynamic model and simulations of tidal energy extraction in a tidal channel
Creators: name: Yang, Zhaoqing
name: Wang, Taiping
name: Copping, Andrea
Publisher: name: ASC 2011
Year: 2024
Subjects: Technologies and data
Ecosystem observation, processes and dynamics

description: No abstracts are to be cited without prior reference to the author.Recent growing interest in developing in‐stream tidal energy generation has raised concerns about the effects of tidal energy extraction on estuarine and coastal physical processes and the marine ecosystems dependent on those processes. There are few direct observations of the effect of energy extraction on living systems, but our understanding of the magnitude and importance of these effects can be enhanced through analytical, experimental, and numerical analyses at the appropriate temporal and spatial scales This paper presents a numerical modelling study to simulate in‐stream tidal energy extraction and assess its effect on the circulation and mixing in a tidal‐dominated estuary using a three‐dimensional (3D) unstructured grid finite volume coastal ocean model. A tidal turbine module is incorporated into the hydrodynamic model using a momentum source/sink approach. The tidal turbine module is applied to simulate the tidal energy extraction in an idealized tidal bay and estuarine system. A series of numerical experiments are carried out to assess the effects of tidal energy extraction on the total volume flux, velocity distribution, salinity stratification, and mixing within the bay. The implications of changes in physical processes due to tidal energy extraction on water quality, the marine foodweb, and the ecosystem are also discussed.
Finding Apparent Horizons in Dynamic 3D Numerical Spacetimes
Creators: name: Anninos, P.
name: Camarda, K.
name: Libson, J.
name: Massó, J.
name: Seidel, E.
name: Suen, W. -M.
Publisher: name: arXiv
Year: 1996
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We have developed a general method for finding apparent horizons in 3D numerical relativity. Instead of solving for the partial differential equation describing the location of the apparent horizons, we expand the closed 2D surfaces in terms of symmetric trace--free tensors and solve for the expansion coefficients using a minimization procedure. Our method is applied to a number of different spacetimes, including numerically constructed spacetimes containing highly distorted axisymmetric black holes in spherical coordinates, and 3D rotating, and colliding black holes in Cartesian coordinates.
description: 19 pages, 13 figures, LaTex, to appear in Phys. Rev. D. Minor changes made
Couplings in Asymmetric Orbifolds and Grand Unified String Models
Creators: name: Kakushadze, Zurab
name: Shiu, Gary
name: Tye, S. -H. Henry
Publisher: name: arXiv
Year: 1997
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Using the bosonic supercurrent (or covariant lattice) formalism, we review how to compute scattering amplitudes in asymmetric orbifold string models. This method is particularly useful for calculating scattering of multiple asymmetrically twisted string states, where the twisted states are rewritten as ordinary momentum states. We show how to reconstruct some of the 3-family grand unified string models in this formalism, and identify the quantum numbers of the massless states in their spectra. The discrete symmetries of these models are rather intricate. The superpotentials for the 3-family E_6 model and a closely related SO(10) model are discussed in some detail. The forms of the superpotentials of the two 3-family SU(6) models (with asymptotically-free hidden sectors SU(3) and SU(2) \otimes SU(2)) are also presented.
description: 54 pages, Revtex 3.0 (to appear in Nucl. Phys. B)
Additional file 3: of Bacterial endosymbiont Cardinium cSfur genome sequence provides insights for understanding the symbiotic relationship in Sogatella furcifera host
Creators: name: Zeng, Zhen
name: Fu, Yating
name: Guo, Dongyang
name: Wu, Yuxuan
name: Ajayi, Olugbenga
name: Wu, Qingfa
Publisher: name: figshare
Year: 2018
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Evolutionary Biology
subject: Ecology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Developmental Biology
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Virology

description: Clusters of orthologous genes (COG) functional classification of the Cardinium cSfur genome (gene homologous cluster number). (PDF 276 kb)