cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Predictive neutrino mass textures with origin of flavor symmetries
Creators: name: Kobayashi, Tatsuo
name: Nomura, Takaaki
name: Okada, Hiroshi
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate origins of predictive one-zero neutrino mass textures in a systematic way. Here we search Abelian continuous(discrete) global symmetries, and non-Abelian discrete symmetries, and show how to realize these neutrino masses. Then we propose a concrete model involving a dark matter candidate and an extra gauge boson, and show their phenomenologies.
description: 23 pages, 3 figures, version accepted for publication in physical review D
Structure and Evolution of Nearby Stars with Planets. I. Short-Period Systems
Creators: name: Ford, Eric B.
name: Rasio, Frederic A.
name: Sills, Alison
Publisher: name: arXiv
Year: 1998
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Using the Yale stellar evolution code, we have calculated theoretical models for nearby stars with planetary-mass companions in short-period nearly circular orbits: 51 Pegasi, Tau Bootis, Upsilon Andromedae, Rho Cancri, and Rho Coronae Borealis. We present tables listing key stellar parameters such as mass, radius, age, and size of the convective envelope as a function of the observable parameters (luminosity, effective temperature, and metallicity), as well as the unknown helium fraction. For each star we construct best models based on recently published spectroscopic data and the present understanding of galactic chemical evolution. We discuss our results in the context of planet formation theory, and, in particular, tidal dissipation effects and stellar metallicity enhancements.
description: 48 pages including 13 tables and 5 figures, to appear in ApJ
Planarity and Street Network Representation in Urban Form Analysis
Creators: name: Boeing, Geoff
Publisher: name: arXiv
Year: 2018
Subjects: subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: Models of street networks underlie research in urban travel behavior, accessibility, design patterns, and morphology. These models are commonly defined as planar, meaning they can be represented in two dimensions without any underpasses or overpasses. However, real-world urban street networks exist in three-dimensional space and frequently feature grade separation such as bridges and tunnels: planar simplifications can be useful but they also impact the results of real-world street network analysis. This study measures the nonplanarity of drivable and walkable street networks in the centers of 50 cities worldwide, then examines the variation of nonplanarity across a single city. It develops two new indicators - the Spatial Planarity Ratio and the Edge Length Ratio - to measure planarity and describe infrastructure and urbanization. While some street networks are approximately planar, we empirically quantify how planar models can inconsistently but drastically misrepresent intersection density, street lengths, routing, and connectivity.
title: Engineering Honors Program Database Optimization
Creators: name: Charboneau, Joseph
name: Christansen, Katie
Publisher: name: University of Michigan
Year: 2024
Subjects: subject: Database
subject: Organization
subject: Optimization
subject: Engineering Honors Program
subject: Engineering

description: The University of Michigan College of Engineering Honors Program was established in 2012 for high-achieving engineering students to develop their academic rigor while enhancing their leadership skills. Working closely with faculty and peers, students complete a capstone project, elect a minor, develop skills through Honors seminars, and partake in community service projects. Beginning with around 100 students, the Honors program has flourished in recent years, and now hosts around 250 students. As the Honors program grows, consequently its student and program data increases. Honors staff and faculty are struggling to find a way to mediate changes and additions to student data while maintaining organization and consistency. Data is stored in a variety of locations, making it difficult to work timely and to keep updates of changes to students' academic plans consistent. This is a time burden for staff, and it results in confusion or missed messages for students. Due to their data storage problems, the Honors staff requested us to investigate their data storage and propose new data organization plans that would provide optimized efficiency and consistency in the ways they store student data. Through our data analysis, we have recommended two different solutions for the staff to test: a SQL database or list of rules and regulations for the staff members to follow. With these recommendations, the Honors Program staff members will be able to combat their data organization problems for easy record keeping and updating, saving time, stress, and effort.
Additional file 13: of Minimally invasive anterior muscle-sparing versus a transgluteal approach for hemiarthroplasty in femoral neck fractures-a prospective randomised controlled trial including 190 elderly patients
Creators: name: Saxer, Franziska
name: Studer, Patrick
name: Jakob, Marcel
name: Suhm, Norbert
name: Rosenthal, Rachel
name: Dell-Kuster, Salome
name: Vach, Werner
name: Bless, Nicolas
Publisher: name: figshare
Year: 2018
Subjects: subject: Medicine
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: Computational Biology

description: Figure S5. Distribution of in-hospital complications according to the Clavien-Dindo classification. In this context, only in-hospital complications are presented as the rate of later complications was low and might reflect an underreporting especially of infections treated by the GP in this patient population. (DOCX 21 kb)
Processing the problematic fine fraction of incinerator bottom ash into a raw material for manufacturing ceramics
Creators: name: Bourtsalas, Athanasios
Publisher: name: Imperial College London
Year: 2015

description: The aim of this research was to develop a novel thermal treatment technology able to transform the problematic fine fraction of incinerator bottom ash (IBA) into an inert material suitable for the production of ceramics. In this project two different problematic fractions of fine IBA have been used. The less than 1mm fraction of processed fine IBA dust was obtained from the dry discharge system for IBA used in the Energy from Waste (EfW) plant at Monthey, Zurich. The dry discharged fine IBA dust from the Monthey plant is currently disposed of to landfill at high cost. The second fine IBA fraction was supplied by Day Group who process wet discharge IBA from the Lakeside and the Newhaven EfW facilities in the South of England. There are currently no beneficial uses for the fine fraction which is either blended back into coarser fractions or disposed of to landfill. The conclusion from the research is that the fine fractions of IBA generated from both discharge techniques can be transformed into an inert material suitable for the production of hard, dense ceramics. Processing involves the addition of glass, wet ball milling and calcining, pressing and sintering. The addition of glass aids liquid phase sintering and improves the appearance of the ceramic body formed, milling increases sintering reactivity and calcining limits the loss of volatiles and shrinkage during firing. This transforms the major crystalline phases present in the fine IBA fraction from quartz (SiO2), calcite (CaCO3), gehlenite (Ca2Al2SiO7) and hematite (Fe2O3), to the pyroxene group minerals diopside (CaMgSi2O6) and clinoenstatite (MgSi2O6), together with some andradite (Ca3Fe2Si3O12). Processed calcined powders can be pressed and sintered to form dense (>2.5 g/cm3), hard ceramics that exhibit low firing shrinkage (<7%), zero water absorption and minimal leaching. Calcining the IBA: glass powders before processing was able to minimize the linear shrinkage observed compared to samples produced using uncalcined powders. Calcining also had the effect of reducing the leaching of metals of environmental concern present in the fine IBA fraction by over 95%. These are encapsulated within the glassy phases present in the calcined and sintered materials.
THE EVOLUTION OF ACCRETION DISKS WITH CORONAE: A MODEL FOR THE LOW-FREQUENCY QUASI-PERIODIC OSCILLATIONS IN X-RAY BINARIES
Creators: name: Abramowicz, Marek A.
name: Chen, Xingming
name: Taam, Ronald E.
Publisher: name: arXiv
Year: 1995
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The global nonlinear time dependent evolution of accretion disk-corona systems in X-ray binary sources has been investigated to provide an understanding of the low frequency ($\sim 0.04$~Hz) quasi-periodic oscillations (QPOs) observed recently in the Rapid Burster MXB 1730-335 and in some black hole candidates sources (Cyg X--1 and GRO~J0422+32). We consider $α$-viscosity models in which the viscous stress is proportional to the total pressure. In contrast to previous time dependent studies it is assumed that all mass accretion and angular momentum transport take place in an optically thick disk, but that a fraction of the gravitational energy that is released is dissipated in a corona. It is found that the coronal energy dissipation can effectively reduce the amplitudes of the mass flow variations generated from the thermal and viscous instabilities (in comparison to models without a corona) to a state in which the disk exhibits mild oscillatory nonsteady behavior. These oscillations are globally coherent in the unstable regions of the disk. A model for the high and low states of black hole candidate systems is also proposed. It is suggested that the low state, which is characterized by a hard X-ray spectrum, corresponds to a disk configuration in which the inner disk is in an advection dominated hot optically thin state whereas the high state corresponds to a configuration in which the inner disk is in an optically thick state surrounded by a corona. In this model, the mass accretion rate in the system is higher in the low state than in the high state. The hard X-ray spectrum of QPOs observed in the low state can be naturally explained by such a model.
description: ApJ in press; uuencoded, compressed PS file, 18 Pages including 5 Figs;
Blepharis ciliaris B. L. Burtt
Creators: name: Jarvis, Charlie
Publisher: name: Linnaean Society of London in association with the Natural History Museum
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Lamiales
Acanthaceae
Blepharis
Blepharis ciliaris

description: Ruellia ciliaris Linnaeus, Systema Naturae, ed. 12, 2: 424; Mantissa Plantarum: 89. 1767.
"Habitat in India." RCN: 4612.
Neotype (Vollesen, Blepharis: 96. 2000): Garcin s.n. (G).
Current name: Blepharis ciliaris (L.) B.L. Burtt (Acanthaceae).
Note: Vollesen (Blepharis: 96. 2000) indicates Garcin material in G (unseen by him) as the type. Such material may well not have been seen by Linnaeus so should probably be treated as a neotype.
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part R), pp. 785-805 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 802, DOI: 10.5281/zenodo.291971
Gamma-Ray Burst Peak Duration as a Function of Energy
Creators: name: Fenimore, E. E.
name: Zand, J. J. M. in 't
name: Norris, J. P.
name: Bonnell, J. T.
name: Nemiroff, R. J.
Publisher: name: arXiv
Year: 1995
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Gamma-ray burst time histories often consist of many peaks. These peaks tend to be narrower at higher energy. If gamma-ray bursts are cosmological, the energy dependence of gamma-ray burst time scales must be understood in order to correct the time scale dependence due to the expansion of the universe. By using the average autocorrelation function and the average pulse width, we show that the narrowing with energy follows, quite well, a power law. The power law index is about -0.4. This is the first quantitative relationship between temporal and spectral structure in gamma-ray bursts. It is unclear what physics causes this relationship. The average autocorrelation has a universal shape such that one energy range scales linearly with time into all other energy ranges. This shape is approximately the sum of two exponential.
description: 19 pages plus figures, uuencoded tar compressed Postscript. Submitted for publication. Also available in Postscript format at ftp://sstcx1.lanl.gov/pub/grb/energy_stretch.ps
Additional file 3: of Impact of drug and equipment preparation on pre-hospital emergency Anaesthesia (PHEA) procedural time, error rate and cognitive load
Creators: name: Swinton, Paul
name: Corfield, Alasdair
name: Moultrie, Chris
name: Percival, David
name: Proctor, Jeffrey
name: Sinclair, Neil
name: Perkins, Zane
Publisher: name: figshare
Year: 2018
Subjects: subject: Biochemistry
subject: Medicine
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Definitions of Prehospital Anaesthesia components (DOCX 77 kb)
Solitonic thermal transport in a current biased long Josephson junction
Creators: name: Guarcello, Claudio
name: Solinas, Paolo
name: Braggio, Alessandro
name: Giazotto, Francesco
Publisher: name: arXiv
Year: 2018
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We investigate the coherent energy and thermal transport in a temperature-biased long Josephson tunnel junction, when a Josephson vortex, i.e., a soliton, steadily drifts driven by an electric bias current. We demonstrate that thermal transport through the junction can be controlled by the bias current, since it determines the steady-state velocity of the drifting soliton. We study the effects on thermal transport of the damping affecting the soliton dynamics. In fact, a soliton locally influences the power flowing through the junction and can cause the variation of the temperature of the device. When the soliton speed increases approaching its limiting value, i.e., the Swihart velocity, we demonstrate that the soliton-induces thermal effects significantly modify. Finally, we discuss how the appropriate material selection of the superconductors forming the junction is essential, since short quasiparticle relaxation times are required to observe fast thermal effects.
description: 9 pages, 5 figures
Modelling the weathering process of stored liquefied natural gas (LNG)
Creators: name: Migliore Cappello, Calogero
Publisher: name: Imperial College London
Year: 2015

description: Weathering occurs in stored liquefied natural gas (LNG) due to the removal of the boil-off gas (BOG) from the LNG container and results in the remaining LNG being richer in heavier components. A model has been developed to predict stored LNG weathering in containment tanks, typically used in regasification. The model integrates a vapour-liquid equilibrium model, and a realistic heat transfer model. It provides a number of advances on previously developed models: (i) heat ingress is calculated based on outside temperature and LNG composition, allowing for daily/seasonal variations; (ii) boil-off-ratio is not an input; (iii) LNG density is estimated using an experimentally based correlation. The model was validated using real industry data and the agreement obtained in predicting overall composition, density and amount vaporized was within industry requirements. Two modelling approaches have been developed: (i) assuming thermodynamic equilibrium between vapour and liquid; and (ii) assuming heat exchange between the two phases. Both models were run in a predictive mode to assess the BOG under different scenarios. One of the main results of this work is that the BOG generation is 25% less when considering the non-equilibrium approach, which will have a significant impact on industry where simple equilibrium models are used. In the initial stages of weathering nitrogen content of LNG has a marked effect on BOG generation. Even 0.5% mol of nitrogen leads to nearly 7% BOG decrease, making the initial BOG unmarketable. That is a result of preferential evaporation of nitrogen and increase in the direct differential molar latent heat. In the final stages of weathering the heavier hydrocarbons govern the BOG dynamics, which becomes a strong function of initial composition and the LNG remaining in the tank.
title: CoScribe: Your Personal Lecture Transcriber
Creators: name: Reid, Cameron
name: Heyer, Madison
Publisher: name: University of Michigan
Year: 2024
Subjects: subject: artificial intelligence
subject: web design
subject: computer science
subject: browser extension
subject: Engineering

description: CoScribe is a browser extension for Google Chrome and Microsoft Edge browsers that utilizes ChatGPT in order to create notes to summarize University of Michigan Lecture Capture lecture recordings. CoScribe functions by using the transcript that comes with every lecture recording in order to create a series of prompts to send to ChatGPT. Once all of the responses are received from ChatGPT, the responses are reformatted and displayed to the user on the extension. The user has the ability to view the notes in the extension or to download an HTML file to view the notes in a web browser instead.
PKS 2349$-$014: A LUMINOUS QUASAR WITH THIN WISPS, A LARGE OFF-CENTER NEBULOSITY, AND A CLOSE COMPANION GALAXY
Creators: name: Bahcall, J. N.
name: Kirhakos
name: Sofia
name: Schneider, D. P.
Publisher: name: arXiv
Year: 1995
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: HST images (WFC2) of \pks show that this luminous nearby quasar is interacting with diffuse (presumably galactic) material. Two thin wisps that have a total extent of about 20 kpc (for $H_0 = 100$ \kms ${\rm Mpc}^{-1}$ and $Ω_0 = 1.0$) are observed to approximately surround the quasar. One of the wisps appears to pass through a companion galaxy that is located at a projected distance of three~kpc from the center of the quasar light. The companion galaxy, if located at the distance of \pks, has an intrinsic size and luminosity similar to the Large Magellanic Cloud. A faint extended nebulosity, which is detected over a region of 35 kpc by 50 kpc and is centered about 5 kpc from the quasar nucleus, overlaps the wisps. The immediate environment of \pks is different from the enivronments of the other eight luminous quasars that we have studied previously with HST. If the multiple light components of the HST images are fit to a single de~Vaucouleurs profile, as was done in previous analyses of ground--based data, then the result obtained for the total luminosity of the model galaxy is in agreement with the earlier ground-based studies.
description: Submitted to ApJ Letters, uuencoded postscript file, three postscript figures are available anonymous ftp at ftp://eku.ias.edu/pub/best/ as pks2349fig1.ps, pks2349fig2.ps, and pks2349fig3.ps
title: AN, Registre des écrous du Châtelet, Y5266, f. p1000695
Creators: name: Claustre, Julie
name: Nationales, Archives
name: Archives Nationales
name: Claustre, Julie
name: ArchivesNationales/J.CLAUSTRE/H.REGAZZI/2020
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Châtelet
subject: registre

description: Registre des écrous du Châtelet, Archives Nationales, Y5266. Numérisation en mode image.
description: Bibliographic citation: Archives Nationales, Registre des écrous du Châtelet, Y5266, f. p1000695
Separation logic for high-level synthesis
Creators: name: Winterstein, Felix
Publisher: name: Imperial College London
Year: 2016

description: High-level synthesis (HLS) promises a significant shortening of the digital hardware design cycle by raising the abstraction level of the design entry to high-level languages such as C/C++. However, applications using dynamic, pointer-based data structures remain difficult to implement well, yet such constructs are widely used in software. Automated optimisations that leverage the memory bandwidth of dedicated hardware implementations by distributing the application data over separate on-chip memories and parallelise the implementation are often ineffective in the presence of dynamic data structures, due to the lack of an automated analysis that disambiguates pointer-based memory accesses. This thesis takes a step towards closing this gap. We explore recent advances in separation logic, a rigorous mathematical framework that enables formal reasoning about the memory access of heap-manipulating programs. We develop a static analysis that automatically splits heap-allocated data structures into provably disjoint regions. Our algorithm focuses on dynamic data structures accessed in loops and is accompanied by automated source-to-source transformations which enable loop parallelisation and physical memory partitioning by off-the-shelf HLS tools. We then extend the scope of our technique to pointer-based memory-intensive implementations that require access to an off-chip memory. The extended HLS design aid generates parallel on-chip multi-cache architectures. It uses the disjointness property of memory accesses to support non-overlapping memory regions by private caches. It also identifies regions which are shared after parallelisation and which are supported by parallel caches with a coherency mechanism and synchronisation, resulting in automatically specialised memory systems. We show up to 15x acceleration from heap partitioning, parallelisation and the insertion of the custom cache system in demonstrably practical applications.
Quantum Engineering of Single-Crystalline Silver Thin Films
Creators: name: Rodionov, Ilya A.
name: Baburin, Aleksandr S.
name: Gabidullin, Aidar R.
name: Maklakov, Sergey S.
name: Peters, Swen
name: Ryzhikov, Ilya A.
name: Andriyash, Alexander V.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: There is a demand for the manufacture of ultra low-loss metallic films with high-quality single crystals and surface for quantum optics and quantum information processing. Many researches are devoted to alternative materials, but silver is by far the most preferred low-loss material at optical and near-IR frequencies. Usually, epitaxial growth is used to deposit single-crystalline silver films, but they still suffer from losses and well-known deweting effect. Here we report the two-step approach for e-beam evaporation of atomically smooth single-crystalline metallic films. The proposed method is self-controlled by quantum size effects and is based on the step switch of film growth kinetics between two deposition steps, which allow to overcome the film-surface dewetting. Here we have used it to deposit 35-100 nm thick single-crystalline silver films with sub-100 pm surface roughness and extremely low losses. We anticipate that the proposed approach could be readily adopted for the synthesis of other low-loss single-crystalline metallic thin films.
Ruellia tuberosa Linnaeus 1753
Creators: name: Jarvis, Charlie
Publisher: name: Linnaean Society of London in association with the Natural History Museum
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Lamiales
Acanthaceae
Ruellia
Ruellia tuberosa

description: Ruellia clandestina Linnaeus, Species Plantarum 2: 634. 1753.
"Habitat in Barbados." RCN: 4608.
Type not designated.
Original material: Herb. Linn. No. 804.4 (LINN); Herb. Clifford: 318, Ruellia 2 (BM); [icon] in Dillenius, Hort. Eltham. 2: 328, t. 248, f. 320. 1732.
Current name: Ruellia tuberosa L. (Acanthaceae).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part R), pp. 785-805 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 802, DOI: 10.5281/zenodo.291971
The carbon mitigation potential of emerging photovoltaic technology
Creators: name: Emmott, Christopher John MacKay
Publisher: name: Imperial College London
Year: 2015

description: Photovoltaic systems provide a solution for harnessing energy from the sun whilst reducing global greenhouse gas emissions. Organic photovoltaics (OPV), based on blends of polymer and fullerene materials, have recently received widespread interest within academia and business due to its potential for low costs, minimum environmental impact and rapid roll-to-roll manufacture. In addition, modules can be customised for flexibility, light-weight and colour. However, OPV modules also show considerably lower efficiencies than mature photovoltaic technologies, as well as much reduced lifetimes. This thesis presents a framework for the analysis of the potential for GHG mitigation by assessing how unique characteristics of the technology may influence its GHG mitigation potential. In the first instance, the extent to which OPV can realise the goal of low costs and minimal environmental impact is assessed. This analysis shows that GHG emissions from OPV manufacture are considerably lower than mature PV technologies. However, the economic cost of OPV, whilst lower on the basis of capital costs, struggles to compete on a levelised basis assuming current projections for lifetime, suggesting that the technology will only have an impact on GHG mitigation outside conventional PV applications. Two potential niche applications are analysed as case-studies. Analysis of using OPV materials as a partially transparent coating in greenhouse structures concludes that currently available OPV materials can provide significant power with minimal impact on crop growth. However, partial coverage with opaque crystalline silicon modules can provide more electricity with less impact on crops. The second case-study looks at the application of OPV in providing off-grid lighting, assessing the emissions and costs associated with this application as well as looking at the long term degradation of OPV in the harsh environments, through a field trial of the technology in Southern Rwanda. Finally, analysis of the transition to solar energy technology shows that OPV can provide much more rapid emission reductions in comparison to mature technology, despite higher levelised emissions. This work concludes that organic photovoltaic technology may be limited to a few niche applications where inferior performance does not present a challenge, or unique properties are advantageous. However, the application case-studies presented in this thesis show a large GHG mitigation potential from such applications, and analysis of the transition to PV demonstrates the added advantage of OPV in realising rapid emission reductions.
Minimum resources for versatile continuous variable entanglement in integrated nonlinear waveguides
Creators: name: Barral, David
name: Bencheikh, Kamel
name: D'Auria, Virginia
name: Tanzilli, Sébastien
name: Belabas, Nadia
name: Levenson, Juan Ariel
Publisher: name: arXiv
Year: 2018
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In a recent paper [Phys. Rev. A {\bf 96}, 053822 (2017)], we proposed a strategy to generate bipartite and quadripartite continuous-variable entanglement of bright quantum states based on degenerate down-conversion in a pair of evanescently coupled nonlinear $χ^{(2)}$ waveguides. Here, we show that the resources needed for obtaining these features can be optimized by exploiting the regime of second harmonic generation: the combination of depletion and coupling among pump beams indeed supplies all necessary wavelengths and appropriate phase mismatch along propagation. Our device thus entangles the two fundamental classical input fields without the participation of any harmonic ancilla. Depending on the propagation distance, the generated harmonics are entangled in bright or vacuum modes. We also evidence two-color bipartite and quadripartite entanglement over the interacting modes. The proposed device represents a boost in continuous-variable integrated quantum optics since it enables a broad range of quantum effects in a very simple scheme, which optimizes the resources and can be easily realized with current technology.
description: 8 pages, 8 figures
Robust acoustic beamforming in the presence of channel propagation uncertainties
Creators: name: Stanton, Richard
Publisher: name: Imperial College London
Year: 2016

description: Beamforming is a popular multichannel signal processing technique used in conjunction with microphone arrays to spatially filter a sound field. Conventional optimal beamformers assume that the propagation channels between each source and microphone pair are a deterministic function of the source and microphone geometry. However in real acoustic environments, there are several mechanisms that give rise to unpredictable variations in the phase and amplitudes of the propagation channels. In the presence of these uncertainties the performance of beamformers degrade. Robust beamformers are designed to reduce this performance degradation. However, robust beamformers rely on tuning parameters that are not closely related to the array geometry. By modeling the uncertainty in the acoustic channels explicitly we can derive more accurate expressions for the source-microphone channel variability. As such we are able to derive beamformers that are well suited to the application of acoustics in realistic environments. Through experiments we validate the acoustic channel models and through simulations we show the performance gains of the associated robust beamformer. Furthermore, by modeling the speech short time Fourier transform coefficients we are able to design a beamformer framework in the power domain. By utilising spectral subtraction we are able to see performance benefits over ideal conventional beamformers. Including the channel uncertainties models into the weights design improves robustness.
Semiclassical phase-space methods for Hermitian and non-Hermitian quantum dynamics
Creators: name: Rush, Alexander
Publisher: name: Imperial College London
Year: 2016

description: In this thesis, we study semiclassical phase-space methods for quantum evolution in Hermitian and non-Hermitian systems. We first present the dynamics of Gaussian wave packets under non-Hermitian Hamiltonians and interpret them as a classical dynamics for complex Hamiltonians. We use these to derive exact dynamics for wave packets in the quadratic Swanson oscillator. We show that in the case of unbroken PT-symmetry there can be periodic divergences in this system and relate this to the fact that any operator mapping the system to a Hermitian counterpart is unbounded. We apply the semiclassical wave-packet dynamics to two further anharmonic example systems: a PT-symmetric wave guide, a version of which we propose as a filtering device for optical beams, and a non-Hermitian single-band tight-binding model, for which we use classical equations of motion to model both narrowly and widely distributed initial states. We further develop an exact quantum propagator for non-Hermitian dynamics using lattices of wave packets, whose evolution is governed by the semiclassical equations of motion. We demonstrate that this accurately reproduces quantum dynamics compared to the split operator method. Finally we study a Hermitian two-mode many-particle model for bosonic atom-molecule conversion, for which the classical phase-space structure is an orbifold. We show that standard semiclassical tools may be applied to recover features such as the dynamics, spectrum and density of states of the many-particle system.
Microwave Background Anisotropies from Alfven waves
Creators: name: Durrer, Ruth
name: Kahniashvili, Tina
name: Yates, Andrew
Publisher: name: arXiv
Year: 1998
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We investigate microwave background anisotropies in the presence of primordial magnetic fields. We show that a homogeneous field with fixed direction can amplify vector perturbations. We calculate the correlations of $δT/T$ explicitly and show that a large scale coherent field induces correlations between $a_{\ell-1,m}$ and $a_{\ell+1,m}$. We discuss constraints on amplitude and spectrum of a primordial magnetic field imposed by observations of CMB anisotropies.
description: 18 page LaTeX file, 4 postscript figs. included, submitted to PRD
Search for flavor-changing neutral currents in top quark decays $t\to Hc$ and $t \to Hu$ in multilepton final states in proton-proton collisions at $\sqrt{s}= 13$ TeV with the ATLAS detector
Creators: name: ATLAS Collaboration
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Flavor-changing neutral currents are not present in the Standard Model at tree level and are suppressed in loop processes by the unitarity of the Cabibbo-Kobayashi-Maskawa matrix; the corresponding rates for top quark decay processes are experimentally unobservable. Extensions of the Standard Model can generate new flavor-changing neutral current processes, leading to signals which, if observed, would be unambiguous evidence of new interactions. A dataset corresponding to an integrated luminosity of 36.1 fb$^{-1}$ of $pp$ collisions at a center-of-mass energy of $\sqrt{s}=$ 13 TeV recorded with the ATLAS detector at the Large Hadron Collider is used to search for top quarks decaying to up or charm quarks with the emission of a Higgs boson, with subsequent Higgs boson decay to final states with at least one electron or muon. No signal is observed and limits on the branching fractions $\mathcal{B}(t \to Hc)
description: 36 pages, author list starting at page 20, 3 figures, 4 tables, published in Phys. Rev. D. All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/TOPQ-2017-15/
Hemigraphis crispa T. Anderson
Creators: name: Jarvis, Charlie
Publisher: name: Linnaean Society of London in association with the Natural History Museum
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Lamiales
Acanthaceae
Hemigraphis
Hemigraphis crispa

description: Ruellia crispa Linnaeus, Species Plantarum 2: 635. 1753.
"Habitat in India. Osbeck." RCN: 4614.
Type not designated.
Original material: Osbeck 116, Herb. Linn. No. 804.11 (LINN); [icon] in Petiver, Gazophyl. Nat.: 7, t. 72, f. 2. 1709.
Current name: Hemigraphis crispa (L.) T. Anderson (Acanthaceae).
Note: See comments on 804.11 (LINN) by Hansen & Fox Maule (in Bot. J. Linn. Soc. 67: 205. 1973).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part R), pp. 785-805 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 802, DOI: 10.5281/zenodo.291971
Electron dynamics in complex time and complex space
Creators: name: Pisanty Alatorre, Emilio
Publisher: name: Imperial College London
Year: 2016

description: This thesis investigates the dynamics of electrons ionized by strong low frequency laser fields, from a semiclassical perspective, developing a trajectory-based formalism to describe the interactions of the outgoing electron with the remaining ion. Trajectory models for photoionization generally arise in the regime known as optical tunnelling, where the atom is subjected to a strong, slow field, which tilts the potential landscape around the ion, forming a potential energy barrier that electrons can then tunnel through. There are multiple approaches that enable the description of the ionized electron, but they are generally limited or models derived by analogy, and the status of the trajectories is unclear. This thesis analyses this trajectory language in the context of the Analytical R-Matrix theory of photoionization, deriving a trajectory model from the fundamentals, and showing that this requires both the time and the position of the trajectory to be complex. I analyse this complex component of the position and I show that it requires careful handling: of the potentials where it appears, and of the paths in the complex plane that the trajectory is taken through. In this connection, I show that the Coulomb potential of the ion induces branch cuts in the complex time plane that the integration path needs to avoid, and I show how to navigate these branch cuts. I then use this formalism to uncover a kinematic mechanism for the recently discovered (Near-)Zero Energy Structures of above-threshold ionization. In addition, I analyse the generation of high-order harmonics of the driving laser that are emitted when the photoelectron recollides with the ion, using a pair of counter-rotating circularly polarized pulses to drive the emission, both in the context of the conservation of spin angular momentum and as a probe of the long-wavelength breakdown of the dipole approximation.
Additional file 12: of Minimally invasive anterior muscle-sparing versus a transgluteal approach for hemiarthroplasty in femoral neck fractures-a prospective randomised controlled trial including 190 elderly patients
Creators: name: Saxer, Franziska
name: Studer, Patrick
name: Jakob, Marcel
name: Suhm, Norbert
name: Rosenthal, Rachel
name: Dell-Kuster, Salome
name: Vach, Werner
name: Bless, Nicolas
Publisher: name: figshare
Year: 2018
Subjects: subject: Space Science
subject: Medicine
subject: Cell Biology
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Developmental Biology

description: Figure S4. Distribution of the VAS pain scores at all time-points in relation to treatment and pre-fracture FIM status (prFIM). The lines refer to running means based on the next 25 neighbours on both sides of an observation. The area of each point is proportional to the number of observations with the specific combination of VAS and prFIM value. We observe higher mean VAS values in the LAT arm compared to the AMIS arm in partucular for patients with low pre-fractureFIM values at week 3, week6 and month 3. (DOCX 321 kb)
New processing techniques for large-area electronics
Creators: name: Yoon, Minho
Publisher: name: Imperial College London
Year: 2016

description: Recent advancements in the semiconductor industry have been driven by the extreme downscaling of device dimensions enabled by innovative photolithography methods. However, such nano-scale patterning technologies are impractical for large-area electronics primarily due to extremely high cost and incompatibility with large-area processing. Therefore, alternative techniques that are simpler, more scalable and compatible with large-area manufacturing are required. This thesis explores the technological potential of two recently developed patterning techniques namely interlayer lithography (IL) and adhesion-lithography (a-Lith) for application in the field of large-area nano/electronics. The IL method relies on the use of a pre-patterned metal electrode that acts as the mask during back illumination of a photoresist layer followed by a conventional lift-off process step. On the other hand in the a-Lith approach, the surface energy of a patterned metal electrode is modified through the use of surface energy modifiers such as organic self-assembling monolayer (SAM). Following, a second metal is evaporated on the entire substrate. However, because of the present of the SAM, regions of metal-2 overlapping with metal-1 can easily be peeled off with the aid of an adhesive layer (e.g. sticky tape) leaving behind the two metal electrodes in close proximity to each other. Analysis of the resulting structures reveals that inter-electrode distances <20 nm can easily be achieved. The method was then used to develop innovative process protocols for the fabrication of functional self-aligned gate (SAG) transistor architectures. Best performing devices exhibited charge carrier mobility in the range of 0.5-1 cm2/Vs, high current on-off ratio (~104), negligible operating hysteresis and excellent switching speed. Using the same a-Lith process protocol, low-voltage organic ferroelectric tunnel junction memory devices were also developed by combining the metal-1/metal-2 nanogap electrodes with a ferroelectric copolymer deposited in-between them. Controllable ferroelectric tunnelling was observed enabling the devices’ conductivity to be programmed using low biases and hence been used as a non-volatile memory cell. The alternative and highly scalable patterning methods described in this thesis may one day play a significant role on how largearea electronics of the future would be manufactured.
Statistical Determination of the MACHO Mass Spectrum
Creators: name: Han, Cheongho
name: Gould, Andrew
Publisher: name: arXiv
Year: 1995
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The mass function of 51 Massive Compact Objects (MACHOs) detected toward the Galactic bulge is statistically estimated from Einstein ring crossing times $t_{\rm e}$. For a Gaussian mass function, the best fitting parameters are $\langle \log (m/M_{\odot}) \rangle = -1.12$ and $σ_{\log (m/M_{\odot})} = 0.57$. If the mass function follows a power-law distribution, the best fitting mass cut-off and power are $m_{\rm cut} = 0.04\ M_{\odot}$ and $p = -2.1$. Both mass spectra indicate that a significant fraction of events are caused by MACHOs in substellar mass range. Both best determined mass functions are compared with that obtained from Hubble Space Telescope (HST) observations. The power law is marginally favored ($2.3σ$) over the Gaussian mass function, and significantly over HST mass function ($5.5σ$), indicating that MACHOs have a different mass function from stars in the solar neighborhood. In addition, the fact that all the models have very poor fits to the longest four events with $t_{e} \geq 70\ {\rm days}$ remains a puzzle.
description: 18 pages including 5 figures, revised
Ruellia paniculata Linnaeus 1753
Creators: name: Jarvis, Charlie
Publisher: name: Linnaean Society of London in association with the Natural History Museum
Year: 2007
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Lamiales
Acanthaceae
Ruellia
Ruellia paniculata

description: Ruellia paniculata Linnaeus, Species Plantarum 2: 635. 1753.
"Habitat in Jamaica." RCN: 4609.
Type not designated.
Original material: Herb. Clifford: 318, Ruellia 3 (BM); [icon] in Sloane, Voy. Jamaica 1: 158, t. 100, f. 2. 1707 - Voucher: Herb. Sloane 3: 25 (BM-SL).
Current name: Ruellia paniculata L. (Acanthaceae).
description: Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part R), pp. 785-805 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 802, DOI: 10.5281/zenodo.291971
Dissemination and Communication Plan
Creators: name: Bianconi, Sonia
name: Egea Saiz, Irene
Publisher: name: Zenodo
Year: 2023

description: This deliverable D6.1 Dissemination and Communication Plan aims at presenting a comprehensive, impact-driven, Communication and Dissemination strategy focused on raising awareness of the general public and the stakeholders, through the promotion of the achievements and gained knowledge of the project.

The strategy is prepared at an early stage of the project (M7), and throughout the project progress is foreseen to be updated on a regular basis.

The plan has been developed in relation to the project proposal, the project Grant Agreement, EHPA’s experience in communication and dissemination of EU projects and the general guidelines contained in the documents below:

- “Communicating research for evidence-based policy-making – A practical guide for researchers in socio-economic sciences and humanities” (European Commission, 2011)

- “Communicating EU Research & Innovation: A guide for project participants” (European Commission, 2012).
Convergence rates and structure of solutions of inverse problems with imperfect forward models
Creators: name: Burger, Martin
name: Korolev, Yury
name: Rasch, Julian
Publisher: name: arXiv
Year: 2018
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 65J20, 94A08, 49N45, 49N30

description: The goal of this paper is to further develop an approach to inverse problems with imperfect forward operators that is based on partially ordered spaces. Studying the dual problem yields useful insights into the convergence of the regularised solutions and allow us to obtain convergence rates in terms of Bregman distances - as usual in inverse problems, under an additional assumption on the exact solution called the source condition. These results are obtained for general absolutely one-homogeneous functionals. In the special case of TV-based regularisation we also study the structure of regularised solutions and prove convergence of their level sets to those of an exact solution. Finally, using the developed theory, we adapt the concept of debiasing to inverse problems with imperfect operators and propose an approach to pointwise error estimation in TV-based regularisation.
Carbon nanoparticle reinforced polymer composites
Creators: name: Wu, Hao
Publisher: name: Imperial College London
Year: 2016

description: Theoretically, covalent functionalised carbon nanotubes (f-CNTs) are supposed to be effective reinforcement fillers to improve the mechanical properties of the brittle epoxy in a significant extent. The mechanical properties (tensile strength, Young’s modulus, etc) of the CNTs are much higher than the properties of the epoxy resins. In addition, for f-CNTs, the covalent functionalisation methods are good ways to improve the CNT/epoxy interfacial bonding strength and the miscibility of the CNTs in the epoxy. However, there is still no satisfied functionalisation method to improve the performance of the CNT/epoxy nanocomposites (NCs) in a significant content. The reason can be concluded as the conventional covalent functionalisation methods damage the CNT scaffolds so the benefits of the functionalisation are overshadowed. In this project, f-CNTs modified by a new damage-free functionalisation method, thermochemical grafting (TC) approach, were used to reinforce an epoxy. The grafting chemicals were glycidyl methacrylate (GMA) and methyl methacrylate (MMA), respectively. For comparisons, NCs reinforced by as-received (non-functionalised) CNTs and three different commercial functionalised amine-CNTs were prepared. A high shearing method to do the CNT/epoxy mixing was built and two different stirrers were used to produce NC samples separately. In the tensile tests, NCs made via a two blade stirrer were produced and tested. The NCs reinforced by 0.25wt% GMA grafted CNTs showed a better elongation property (strain improvements from the pure epoxy:18.12%) than the NCs reinforced by other kinds of CNTs (strain improvements from the pure epoxy: around 10.00% or less). Meanwhile, the commercial covalent functionalised CNTs reduced the elongations (strain reductions from the pure epoxy: 10% or higher) of the NCs. In the fracture toughness tests, NCs made via a dissolver disk were produced and tested. It was found that GMA grafted CNTs improved the model I fracture toughness of the NCs, from the pure epoxy resin, with a significant number of 16.48%. This number is higher than the other NCs. The influences of the surface functionalisation on the CNT dispersion state are discussed. In addition, the failure mechanisms of the NCs reinforced by different kinds of CNT/f-CNTs are identified and discussed.