cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Normative Incongruence between the EU Norms and the Albanian Political Elite: Explaining the Limited Effectivness of EU Democratic Conditionality.pdf
Creators: name: Lleshi, Sokol
Publisher: name: figshare
Year: 2020
Subjects: subject: 160603 Comparative Government and Politics
subject: FOS: Political science
subject: 160607 International Relations
subject: 160699 Political Science not elsewhere classified
subject: 160509 Public Administration
subject: 160510 Public Policy
subject: 160805 Social Change
subject: FOS: Sociology

description: The political project of integrating into the EU and of ‘returning’ to Europe after the fall of the communist regimes has been a shared goal of the post-communist countries in East Central Europe, including Albania. The initial waves of enlargement that incorporated the post-authoritarian societies of Spain, Portugal and later Greece buttressed to some extent the legitimacy of the democratic transitions in these countries. Yet, a more coherent and explicit EU policy with regard to enlargement and the coupling of EU integration with certain concrete political, economic and social criteria, known as the Copenhagen criteria, appeared after the regime transitions in post-communist East Central Europe. The Copenhagen criteria became the cornerstone of what is known in the Europeanization literature as the EU conditionality effect relying on a combination of the EU normative ‘soft’ power and withdrawal of the EU membership promise if prompted by domestic conditions or when necessary. During the latest waves of the EU enlargement in East Central Europe, the EU has been effective in countervailing the authoritarian tendencies in post-communist ECE such as in the case of the Meciar’s rule in Slovakia by postponing the reward of full membership and supporting and galvanizing the domestic transformations triggered by the civil society and the political opposition there. In most of the cases the European Union has conceived of the conditionality policy as an effect of the soft power. In this paper I argue that the effect of EU political conditionality in transforming the features of the polity of the Albanian post-communist regime is less effective and successful. A different mechanism of making effective the political conditionality would be more appropriate. Rather than having as main and the only interlocutors the political elite and representative of state institutions, the EU representatives could consider incorporating pertinent local societal actors of the aspiring EU accession country.
Rational curves on hyperkahler manifolds
Creators: name: Amerik, Ekaterina
name: Verbitsky, Misha
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: Let $M$ be an irreducible holomorphically symplectic manifold. We show that all faces of the Kahler cone of $M$ are hyperplanes $H_i$ orthogonal to certain homology classes, called monodromy birationally minimal (MBM) classes. Moreover, the Kahler cone is a connected component of a complement of the positive cone to the union of all $H_i$. We provide several characterizations of the MBM-classes. We show the invariance of MBM property by deformations, as long as the class in question stays of type (1,1). For hyperkahler manifolds with Picard group generated by a negative class $z$, we prove that $\pm z$ is Q-effective if and only if it is an MBM class. We also prove some results towards the Morrison-Kawamata cone conjecture for hyperkahler manifolds.
description: 34 pages
On a finite 2,3-generated group of period 12
Creators: name: Zavarnitsine, Andrei V.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 20F05, 20F50, 20-04

description: Using calculations in computer algebra systems along with some theoretic results, we construct the largest finite group of period 12 generated by an element of order 2 and an element of order 3. In particular, we prove that this group has order $2^{66}.3^7$.
MPEC 2023-E18 : 2023 DZ1
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 DZ1

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
The molecular gas content of ULIRG type 2 quasars at z < 1
Creators: name: Rodríguez, M. I.
name: Villar-Martín, M.
name: Emonts, B.
name: Humphrey, A.
name: Drouart, G.
name: Burillo, S. García
name: Torres, M. Pérez
Publisher: name: arXiv
Year: 2014
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present new results of CO(1-0) spectroscopic observations of 4 SDSS type 2 quasars (QSO2) at z$\sim$0.3, observed with the 30m IRAM telescope. The QSO2 have infrared luminosities in the ULIRG (UltraLuminous Infrared Galaxies) regime. We confirm the CO(1-0) detection in one of our 4 QSO2, SDSS J1543-00, with $L'_{CO}$ and $M_{H_2}$ (1.2$\pm$0.2) $\times$10$^{10}$ K km s$^{-1}$ pc$^2$ and (9.4$\pm$1.4)$\times$10$^9$ M$_{\odot}$, respectively. The CO(1-0) line has $FWHM=$575$\pm$102 km s$^{-1}$. No CO(1-0) emission is detected in SDSS J0903+02, SDSS J1337-01, SDSS J1520-01 above 3 sigma, yielding upper limits on $M(H_2)\sim$ 9.6, 4.3 and 5.1 $\times$10$^9$ M$_{\odot}$ respectively. Together with CO measurements of 9 QSO2 at $z\sim$0.3-1.0 from the ULIRG sample by Combes et al. (2011, 2013), we expand previous studies of the molecular gas content of intermediate $z$ QSO2 into the ULIRG regime. We discuss the location of the 13 ULIRG QSO2 at $z
description: 4 pages, 2 figures, Accepted for publication in A&A
RN.pdf
Creators: name: , Rahul
name: Naman Wadhwa
Publisher: name: figshare
Year: 2020
Subjects: Health Care

description: Across the world, millions of people get infected and contract diseases, which can be avoided with age-appropriate health measures. Vaccines have always been a significant part of the healthcare system, which aided humans to thrive despite critical outbreaks in the past. Vaccines have remarkably reduced the mortality rates and have thus increased the overall health of citizens. During COVID-19, the word "vaccine" has gained significant popularity and the world is waiting for a vaccine as a preventive measure for COVID-19. Since the development of the first vaccine, there have always been certain social, financial, and religious aspects related to the vaccination. As per previous studies, literacy, gender, lifestyle, and financial factors influenced the vaccination among certain groups, communities, and regions around the world as vaccines have not always been viewed positively. A survey entitled as, "Are you aware of vaccines?" was conducted to analyze the public opinion regarding vaccination, and promising results were obtained. As per the survey, most of the survey takers emphasized that the government must hold accountability for the vaccination. Amidst the Covid-19 pandemic, 27 % people are even ready to be the part of clinical trials despite knowing the possible adversities. The foundation of the world is built by its healthy population; this must be fueled by implementing appropriate healthcare guidelines by concerned authorities. For a better tomorrow, the campaigns need to be conducted to educate masses regarding vaccines, their efficacy, and influences, which will prepare us for any unforeseen pandemics or outbreaks in the future.
MPEC 2023-E19 : 2023 DA2
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 DA2

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
RN.pdf
Creators: name: Naman Wadhwa
name: , Rahul
Publisher: name: figshare
Year: 2020
Subjects: Health Care

description: Across the world, millions of people get infected and contract diseases, which can be avoided with age-appropriate health measures. Vaccines have always been a significant part of the healthcare system, which aided humans to thrive despite critical outbreaks in the past. Vaccines have remarkably reduced the mortality rates and have thus increased the overall health of citizens. During COVID-19, the word "vaccine" has gained significant popularity and the world is waiting for a vaccine as a preventive measure for COVID-19. Since the development of the first vaccine, there have always been certain social, financial, and religious aspects related to the vaccination. As per previous studies, literacy, gender, lifestyle, and financial factors influenced the vaccination among certain groups, communities, and regions around the world as vaccines have not always been viewed positively. A survey entitled as, "Are you aware of vaccines?" was conducted to analyze the public opinion regarding vaccination, and promising results were obtained. As per the survey, most of the survey takers emphasized that the government must hold accountability for the vaccination. Amidst the Covid-19 pandemic, 27 % people are even ready to be the part of clinical trials despite knowing the possible adversities. The foundation of the world is built by its healthy population; this must be fueled by implementing appropriate healthcare guidelines by concerned authorities. For a better tomorrow, the campaigns need to be conducted to educate masses regarding vaccines, their efficacy, and influences, which will prepare us for any unforeseen pandemics or outbreaks in the future.
Adiabatic and local approximations for the Kohn-Sham potential in time-dependent Hubbard chains
Creators: name: Mancini, L.
name: Ramsden, J. D.
name: Hodgson, M. J. P.
name: Godby, R. W.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We obtain the exact Kohn-Sham potentials $V_{\mathrm{KS}}$ of time-dependent density-functional theory for 1D Hubbard chains, driven by a d.c.\ external field, using the time-dependent electron density and current density obtained from exact many-body time-evolution. The exact $V_{\mathrm{xc}}$ is compared to the adiabatically-exact $V_{\mathrm{xc}}^{\mathrm{ad}}$ and the "instantaneous ground state" $V_{\mathrm{xc}}^{\mathrm{igs}}$. The latter is shown to work effectively in some cases when the former fails. Approximations for the exchange-correlation potential $V_{\mathrm{xc}}$ and its gradient, based on the local density and on the local current density, are also considered and both physical quantities are observed to be far outside the reach of any possible local approximation. Insight into the respective roles of ground-state and excited-state correlation in the time-dependent system, as reflected in the potentials, is provided by the pair correlation function.
description: 7 pages, 7 Figures. Accepted for publication in Physical Review B
Subcritical mirror structures in an anisotropic plasma
Creators: name: Kuznetsov, E. A.
name: Passot, T.
name: Ruban, V. P.
name: Sulem, P. L.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Based on Grad-Shafranov-like equations, a gyrotropic plasma where the pressures in the static regime are only functions of the amplitude of the local magnetic field is shown to be amenable to a variational principle with a free energy density given by the parallel tension. This approach is used to demonstrate that small- amplitude static holes constructed slightly below the mirror instability threshold identify with lump solitons of KPII equation and turn out to be unstable. It is also shown that regularizing effects such as finite Larmor radius corrections cannot be ignored in the description of large-amplitude mirror structures.
description: 7 pages, 4 figures
Twofold reentrant melting in a double-Gaussian fluid
Creators: name: Prestipino, S.
name: Speranza, C.
name: Malescio, G.
name: Giaquinta, P. V.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Isotropic pair potentials that are bounded at the origin have been proposed from time to time as models of the effective interaction between macromolecules of interest in the chemical physics of soft matter. We present a thorough study of the phase behavior of point particles interacting through a potential which combines a bounded short-range repulsion with a much weaker attraction at moderate distances, both of Gaussian shape. Notwithstanding the fact that the attraction acts as a small perturbation of the Gaussian-core model potential, the phase diagram of the double-Gaussian model (DGM) is far richer, showing two fluid phases and four distinct solid phases in the case that we have studied. Using free-energy calculations, the various regions of confluence of three distinct phases in the DGM system have all been characterized in detail. Moreover, two distinct lines of reentrant melting are found, and for each of them a rationale is provided in terms of the elastic properties of the solid phases.
description: 16 pages, 9 figures
Jet correlations - opportunities and pitfalls
Creators: name: Renk, Thorsten
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The simplest observables used to probe the interaction of hard partons with a QCD medium in ultrarelativistic heavy ion collisions measure disappearance, such as the nuclear modification factor R_AA. The information content of such observables is however limited. More differential information is obtained from triggered correlation observables where a trigger condition ensures that a hard event has taken place and the correlation of other objects in the event with the trigger contains information about the nature of parton-medium interaction. By construction, triggered correlation observables are conditional probabilities, i.e. they measure events biased by the trigger condition. The presence of this bias makes the interpretation of observables non-intuitive, but at the same time represents an opportunity to design future measurements to selectively probe particular physics. In this work, an overview over the four types of biases occuring in triggered hard correlation observables is given, followed by a study of current jet correlation phenomenology in the light of the preceding discussion.
description: 6 pages, 5 figures, talk given at the 6th International Conference on Hard and Electromagnetic Probes of High Energy Nuclear Collisions (Hard Probes 2013), November 4-8 2013, Stellenbosch, South Africa
Cavity polariton optomechanics: Polariton path to fully resonant dispersive coupling in optomechanical resonators
Creators: name: Rozas, G.
name: Bruchhausen, A. E.
name: Fainstein, A.
name: Jusserand, B.
name: Lemaître, A.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Resonant photoelastic coupling in semiconductor nanostructures opens new perspectives for strongly enhanced light-sound interaction in optomechanical resonators. One potential problem, however, is the reduction of the cavity Q-factor induced by dissipation when the resonance is approached. We show in this letter that cavity-polariton mediation in the light-matter process overcomes this limitation allowing for a strongly enhanced photon-phonon coupling without significant lifetime reduction in the strongly-coupled regime. Huge optomechanical coupling factors in the PetaHz/nm range are envisaged, three orders of magnitude larger than the backaction produced by the mechanical displacement of the cavity mirrors.
description: 6 pages, 4 figures
Research Management: The Game
Creators: name: Johnson, Rob
name: King, Dan
name: Chiarelli, Andrea
name: Jennings, Sophie
Publisher: name: Zenodo
Year: 2019
Subjects: Research Management
Game
Team Building
University
Higher Education
Budgeting

description: Research Consulting developed Research Management: The Game to support team building exercises in teams assisting with the management of research. This is a collaborative game, designed to help teams to consider the risks, opportunities and luck involved in budgeting for research. Materials included with this game: Instructions for the game host Slide deck including instructions for players and scenarios Game board 30 Bonus and Disaster cards (10 per round) Research Management: The Game can be played by 5 to 30 people (i.e. from 5 individual players to 5 teams of six players) and it should take between 40 and 90 minutes, depending on team sizes. The game is available in PowerPoint format, so you can edit slides/text as required, and as pdf to enable easier printing. If you have any questions, please get in touch at enquiries@research-consulting.com and if you play the game in your own organisation please tag us on Twitter so we know where and how it's being used: https://twitter.com/rschconsulting.
LEECH: A 100 Night Exoplanet Imaging Survey at the LBT
Creators: name: Skemer, Andrew
name: Apai, Daniel
name: Bailey, Vanessa
name: Biller, Beth
name: Bonnefoy, Mickael
name: Brandner, Wolfgang
name: Buenzli, Esther
name: Close, Laird
name: Crepp, Justin
name: Defrere, Denis
name: Desidera, Silvano
name: Eisner, Josh
name: Esposito, Simone
name: Fortney, Jonathan
name: Henning, Thomas
name: Hinz, Phil
name: Hofmann, Karl-Heinz
name: Leisenring, Jarron
name: Males, Jared
name: Millan-Gabet, Rafael
name: Morzinski, Katie
name: Oza, Apurva
name: Pascucci, Ilaria
name: Patience, Jenny
name: Rieke, George
name: Schertl, Dieter
name: Schlieder, Joshua
name: Skrutskie, Mike
name: Su, Kate
name: Weigelt, Gerd
name: Woodward, Charles E.
name: Zimmerman, Neil
Publisher: name: arXiv
Year: 2014
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: In February 2013, the LEECH (LBTI Exozodi Exoplanet Common Hunt) survey began its 100-night campaign from the Large Binocular Telescope atop Mount Graham in Arizona. LEECH nearly complements other high-contrast planet imaging efforts by observing stars in L' band (3.8 microns) as opposed to the shorter wavelength near-infrared bands (1-2.3 microns). This part of the spectrum offers deeper mass sensitivity for intermediate age (several hundred Myr-old) systems, since their Jovian-mass planets radiate predominantly in the mid-infrared. In this proceedings, we present the science goals for LEECH and a preliminary contrast curve from some early data.
description: IAUS 299 Proceedings
Non-perturbative renormalization of overlap quark bilinears on domain wall fermion configurations
Creators: name: Liu, Zhaofeng
name: Chen, Ying
name: Yang, Yi-Bo
name: Dong, Shao-Jing
name: Glatzmaier, Michael
name: Gong, Ming
name: Liu, Keh-Fei
name: Li, Anyi
name: Zhang, Jian-Bo
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We present renormalization constants of overlap quark bilinear operators on 2+1-flavor domain wall fermion configurations. Both overlap and domain wall fermions have chiral symmetry on the lattice. The scale independent renormalization constant for the local axial vector current is computed using a Ward Identity. The renormalization constants for the scalar, pseudoscalar and vector current are calculated in the RI-MOM scheme. Results in the MS-bar scheme are obtained by using perturbative conversion ratios. The analysis uses in total six ensembles with lattice sizes 24^3x64 and 32^3x64.
description: 7 pages, 10 figures, presented at the 31st International Symposium on Lattice Field Theory (LATTICE 2013), 29 July - 3 August 2013, Mainz, Germany
Phasia furcata Sun 2003, sp. nov.
Creators: name: Sun, Xuekui
name: Marshall, Stephen A.
Publisher: name: Zenodo
Year: 2003
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Tachinidae
Phasia
Phasia furcata

description: 3.2.5 Phasia furcata Sun, sp. nov.
(Figures I­21, II­1.4)
description: Published as part of Sun, Xuekui & Marshall, Stephen A., 2003, Systematics of Phasia Latreille (Diptera: Tachinidae), pp. 1-320 in Zootaxa 276 (1) on page 31, DOI: 10.11646/zootaxa.276.1.1, http://zenodo.org/record/5019510
Mathematical Modelling of Optical Coherence Tomography
Creators: name: Elbau, Peter
name: Mindrinos, Leonidas
name: Scherzer, Otmar
Publisher: name: arXiv
Year: 2014
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 35Q61, 44A12, 65M32, 65R20, 65R32

description: In this chapter a general mathematical model of Optical Coherence Tomography (OCT) is presented on the basis of the electromagnetic theory. OCT produces high resolution images of the inner structure of biological tissues. Images are obtained by measuring the time delay and the intensity of the backscattered light from the sample considering also the coherence properties of light. The scattering problem is considered for a weakly scattering medium located far enough from the detector. The inverse problem is to reconstruct the susceptibility of the medium given the measurements for different positions of the mirror. Different approaches are addressed depending on the different assumptions made about the optical properties of the sample. This procedure is applied to a full field OCT system and an extension to standard (time and frequency domain) OCT is briefly presented.
description: 28 pages, 5 figures, book chapter
Proton-proton, pion-proton and pion-pion diffractive collisions at ultra-high energies
Creators: name: Anisovich, V. V.
name: Nikonov, K. V.
name: Nikonov, V. A.
name: Nyiri, J.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The LHC energies are those at which the asymptotic regime in hadron-hadron diffractive collisions ($pp,πp,ππ$) might be switched on. Based on results of the Dakhno-Nikonov eikonal model which is a generalization of the Good-Walker eikonal approach for a continuous set of channels, we present a picture for transformation of the constituent quark mode to the black disk one. In the black disk mode ($\sqrt s \geq 10$ TeV) we have a growth of the logarithm squared type for total and elastic cross sections, $σ_{tot}\sim\ln^2s$ and $σ_{el}\sim\ln^2s$, and $(τ={\bf q}_\perp^2σ_{tot})$-scaling for diffractive scattering and diffractive dissociation of hadrons. The diffractive dissociation cross section grows as $σ_{D}\sim\ln{s}$, $σ_{DD}\sim\ln{s}$, and their relative contribution tends to zero: $σ_{D}/σ_{tot}\to 0$, $σ_{DD}/σ_{tot}\to 0$. Asymptotic characteristics of diffractive and total cross sections are universal, and this results in the asymptotical equality of cross sections for all types of hadrons (the Gribov's universality). The energy scale for switching on the asymptotic mode is estimated for different processes.
description: 14 pages. arXiv admin note: text overlap with arXiv:1310.2839
Wake-induced bending of two-dimensional plasma crystals
Creators: name: Röcker, T. B.
name: Ivlev, A. V.
name: Zhdanov, S. K.
name: Couëdel, L.
name: Morfill, G. E.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: It is shown that the wake-mediated interactions between microparticles in a two-dimensional plasma crystal affect the shape of the monolayer, making it non-flat. The equilibrium shape is calculated for various distributions of the particle number density in the monolayer. For typical experimental conditions, the levitation height of particles in the center of the crystal can be noticeably smaller than at the periphery. It is suggested that the effect of wake-induced bending can be utilized in experiments, to deduce important characteristics of the interparticle interaction.
description: 5 pages, 4 figures
Physical properties of the jet from DG Tauri on sub-arcsecond scales with HST/STIS
Creators: name: Maurri, L.
name: Bacciotti, F.
name: Podio, L.
name: Eislöffel, J.
name: Ray, T. P.
name: Mundt, R.
name: Locatelli, U.
name: Coffey, D.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We derive the physical properties at the base of the jet from DG Tau both along and across the flow and as a function of velocity. We analysed seven optical spectra of the DG Tau jet, taken with the Hubble Space Telescope Imaging Spectrograph. The spectra were obtained by placing a long-slit parallel to the jet axis and stepping it across the jet width. The resulting position-velocity diagrams in optical forbidden emission lines allowed access to plasma conditions via calculation of emission line ratios. We find at the base of the jet high electron density, $n_e \sim $ 10$^5$, and very low ionisation, $x_e \sim 0.02-0.05$, which combine to give a total density up to $n_H \sim $ 3 10$^6$. This analysis confirms previous reports of variations in plasma parameters along the jet, (i.e. decrease in density by several orders of magnitude, increase of $x_e$ from 0.05 to a plateau at 0.7 downstream at 2$''$ from the star). Furthermore, a spatial coincidence is revealed between sharp gradients in the total density and supersonic velocity jumps. This strongly suggests that the emission is caused by shock excitation. The position-velocity diagrams indicate the presence of both fast accelerating gas and slower, less collimated material. We derive the mass outflow rate, $\dot{M}_j$, in the blue-shifted lobe in different velocity channels, that contribute to a total of $\dot{M}_j \sim$ 8 $\pm$ 4 10$^{-9}$ M$_\odot$ yr$^{-1}$. We estimate that a symmetric bipolar jet would transport at the low and intermediate velocities probed by rotation measurements, an angular momentum flux of $\dot{L}_j \sim$ 2.9 $\pm$ 1.5 10$^{-6}$ M$_\odot$ yr$^{-1}$ AU km s$^{-1}$. The derived properties of the DG Tau jet are demonstrated to be consistent with magneto-centrifugal theory. However, non-stationary modelling is required in order to explain all of the features revealed at high resolution.
description: 16 pages, 18 figures
Modeling of a tunable-barrier non-adiabatic electron pump beyond the decay cascade model
Creators: name: Kashcheyevs, Vyacheslavs
name: Timoshenko, Janis
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We generalize the decay cascade model of charge capture statistics for a tunable-barrier non-adiabatic electron pump dominated by the backtunneling error at the quantum dot decoupling stage. The energy scales controlling the competition between the thermal and the dynamical mechanisms for accurate trapped charge quantization are discussed. Empirical fitting formula incorporating quantum dot re-population errors due to particle-hole fluctuations in the source lead is suggested and tested against an exactly solvable rate equation model.
description: 2-page summary paper for CPEM Digest'2014
Topological phase transition and two dimensional topological insulators in Ge-based thin films
Creators: name: Singh, Bahadur
name: Lin, Hsin
name: Prasad, R.
name: Bansil, A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We discuss possible topological phase transitions in Ge-based thin films of Ge(Bi$_x$Sb$_{1-x}$)$_2$Te$_4$ as a function of layer thickness and Bi concentration $x$ using the first principles density functional theory framework. The bulk material is a topological insulator at $x$ = 1.0 with a single Dirac cone surface state at the surface Brillouin zone center, whereas it is a trivial insulator at $x$ = 0. Through a systematic examination of the band topologies we predict that thin films of Ge(Bi$_x$Sb$_{1-x}$)$_2$Te$_4$ with $x$ = 0.6, 0.8 and 1.0 are candidates for two-dimensional (2D) topological insulators, which would undergo a 2D topological phase transition as a function of $x$. A topological phase diagram for Ge(Bi$_x$Sb$_{1-x}$)$_2$Te$_4$ thin films is presented to help guide their experimental exploration.
description: 7 pages, 5 figures, Accepted for publication in Physical Review B (2012)
Deep R-band counts of z~3 Lyman break galaxy candidates with the LBT
Creators: name: Boutsia, K.
name: Grazian, A.
name: Giallongo, E.
name: Castellano, M.
name: Pentericci, L.
name: Fontana, A.
name: Fiore, F.
name: Gallozzi, S.
name: Cusano, F.
name: Paris, D.
name: Speziali, R.
name: Testa, V.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Aims. We present a deep multiwavelength imaging survey (UGR) in 3 different fields, Q0933, Q1623, and COSMOS, for a total area of ~1500arcmin^2. The data were obtained with the Large Binocular Camera on the Large Binocular Telescope. Methods. To select our Lyman break galaxy (LBG) candidates, we adopted the well established and widely used color-selection criterion (U-G vs. G-R). One of the main advantages of our survey is that it has a wider dynamic color range for U-dropout selection than in previous studies. This allows us to fully exploit the depth of our R-band images, obtaining a robust sample with few interlopers. In addition, for 2 of our fields we have spectroscopic redshift information that is needed to better estimate the completeness of our sample and interloper fraction. Results. Our limiting magnitudes reach 27.0(AB) in the R band (5σ) and 28.6(AB) in the U band (1σ). This dataset was used to derive LBG candidates at z~3. We obtained a catalog with a total of 12264 sources down to the 50% completeness magnitude limit in the R band for each field. We find a surface density of ~3 LBG candidates arcmin^2 down to R=25.5, where completeness is >=95% for all 3 fields. This number is higher than the original studies, but consistent with more recent samples.
description: in press by A&A, full LBG candidates' catalog will be available in electronic form at the CDS
Theory of time-resolved non-resonant x-ray scattering for imaging ultrafast coherent electron motion
Creators: name: Dixit, Gopal
name: Slowik, Jan Malte
name: Santra, Robin
Publisher: name: arXiv
Year: 2014
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Biological Physics (physics.bio-ph)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Future ultrafast x-ray light sources might image ultrafast coherent electron motion in real-space and in real-time. For a rigorous understanding of such an imaging experiment, we extend the theory of non-resonant x-ray scattering to the time-domain. The role of energy resolution of the scattering detector is investigated in detail. We show that time-resolved non-resonant x-ray scattering with no energy resolution offers an opportunity to study time-dependent electronic correlations in non- equilibrium quantum systems. Furthermore, our theory presents a unified description of ultrafast x-ray scattering from electronic wave packets and the dynamical imaging of ultrafast dynamics using inelastic x-ray scattering by Abbamonte and co-workers. We examine closely the relation of the scattering signal and the linear density response of electronic wave packets. Finally, we demonstrate that time-resolved x-ray scattering from a crystal consisting of identical electronic wave packets recovers the instantaneous electron density.
description: 23 pages, 1 figure, accepted for publication in Phys. Rev. A (2014)
Supplementary document for Electromagnetic wave passage through impedance- matched graded interfaces between RHM and LHM media: passive and active transition layer variants - 6664852.pdf
Creators: name: Pazynin, Leonid
name: Sliusarenko, Hanna
name: Pazynin, Vadym
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: document
Parallax Beyond a Kiloparsec from Spatially Scanning the Wide Field Camera 3 on the Hubble Space Telescope
Creators: name: Riess, Adam G.
name: Casertano, Stefano
name: Anderson, Jay
name: Mackenty, John
name: Filippenko, Alexei V.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We use a newly developed observing mode on the Hubble Space Telescope (HST) and Wide Field Camera 3 (WFC3), spatial scanning, to increase source sampling a thousand-fold and measure changes in source positions to a precision of 20--40 microarcseconds, more than an order of magnitude better than attainable in pointed observations. This observing mode can usefully measure the parallaxes of bright stars at distances of up to 5 kpc, a factor of ten farther than achieved thus far with HST. Long-period classical Cepheid variable stars in the Milky Way, nearly all of which reside beyond 1 kpc, are especially compelling targets for parallax measurements from scanning, as they may be used to anchor a determination of the Hubble constant to ~1%. We illustrate the method by measuring to high precision the parallax of a classical Cepheid, SY Aurigae, at a distance of more than 2 kpc, using 5 epochs of spatial-scan data obtained at intervals of 6 months. Rapid spatial scans also enable photometric measurements of bright Milky Way Cepheids---which would otherwise saturate even in the shortest possible pointed observations---on the same flux scale as extragalactic Cepheids, which is a necessity for reducing a leading source of systematic error in the Hubble constant. We demonstrate this capability with photometric measurements of SY Aur on the same system used for Cepheids in Type Ia supernova host galaxies. While the technique and results presented here are preliminary, an ongoing program with HST is collecting such parallax measurements for another 18 Cepheids to produce a better anchor for the distance scale.
description: 38 pages, 8 figures, submitted to ApJ
Evaluation of the optical cross talk level in the SiPMs adopted in ASTRI SST-2M Cherenkov Camera using EASIROC front-end electronics
Creators: name: Impiombato, D.
name: Giarrusso, S.
name: Mineo, T.
name: Agnetta, G.
name: Biondo, B.
name: Catalano, O.
name: Gargano, C.
name: La Rosa, G.
name: Russo, F.
name: Sottile, G.
name: Belluso, M.
name: Billotta, S.
name: Bonanno, G.
name: Garozzo, S.
name: Marano, D.
name: Romeo, G.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: ASTRI (Astrofisica con Specchi a Tecnologia Replicante Italiana), is a flagship project of the Italian Ministry of Education, University and Research whose main goal is the design and construction of an end-to-end prototype of the Small Size of Telescopes of the Cherenkov Telescope Array. The prototype, named ASTRI SST-2M, will adopt a wide field dual mirror optical system in a Schwarzschild-Couder configuration to explore the VHE range of the electromagnetic spectrum. The camera at the focal plane is based on Silicon Photo-Multipliers detectors which is an innovative solution for the detection astronomical Cherenkov light. This contribution reports some preliminary results on the evaluation of the optical cross talk level among the SiPM pixels foreseen for the ASTRI SST-2M camera.
description: 7 pages, 4 figures
Supplementary document for Form birefringent polymeric structures realized by 3D laser printing - 6667913.pdf
Creators: name: Gailevicius, Darius
name: Paipulas, Domas
name: Hada, Shota
name: Kretkowski, Maciej
name: Mizeikis, Vygantas
Publisher: name: Optica Publishing Group
Year: 2023
Subjects: Uncategorized

description: Supplement 1
Electronic Structure and Properties of Novel Layered Superconductors
Creators: name: Grechnev, G. E.
name: Logosha, A. V.
name: Lyogenkaya, A. A.
name: Grechnev, A. G.
name: Fedorchenko, A. V.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The electronic energy structures and magnetic properties of layered superconductors $R$Ni$_2$B$_2$C, $R$Fe$_4$Al$_8$ and FeSe are systematically studied, by using the density functional theory (DFT). The calculations allowed us to reveal a number of features of the electronic structure, which can cause the manifestation of peculiar structural, magnetic and superconducting properties of these systems. It is demonstrated that the Fermi energy $E_{\rm F}$ is located close to the pronounced peaks of the electronic density of states (DOS). The main contribution to DOS at the Fermi level arises from $3d$-electrons. The calculations of the pressure-dependent electronic structure and the magnetic susceptibility in the normal state indicate that the novel superconductors are very close to a magnetic instability with dominating spin paramagnetism. It is shown that experimental data on the pressure dependence of the superconducting transition temperature in FeSe correlate qualitatively with the calculated behavior of DOS at $E_{\rm F}$ as a function of the pressure.
description: 8 pages, 5 figures
The cumulative risk of pharmaceuticals in New Jersey surface water to human health
Creators: name: Roden, Nicholas Michael
Publisher: name: No Publisher Supplied
Year: 2013

description: Surface water in New Jersey is used to supply many residential drinking water facilities. In the surface water, there are contaminants from industrial and residential sources, one set of these contaminants being pharmaceuticals. This research looks at the concentrations of 18 pharmaceuticals in 30 locations in New Jersey, their acceptable daily exposures, and potential drug-drug interactions. The surface water sampling and analytical concentration determination was done by United States Geological survey (USGS) personnel according to their protocols and analyzed in a USGS laboratory. Acceptable daily exposures (ADE) for human health were set for each pharmaceutical in the study. Each pair of pharmaceuticals was researched for known adverse health interactions and their potential impact on human health was quantified. This interaction factor ranged from 0.4 times to 5.0 times the adverse effect, as measured in some cases by plasma levels in man. These factors were brought together using a cumulative hazard index risk assessment calculation to assess the overall risk of pharmaceuticals in surface water to human health. The cumulative risk was assessed for each of the 30 sample locations, and none reached the level of human health concern. When including the potential from drug-drug interactions in the assessment, the risk did increase but not an appreciable amount. The Hazard Index (HI) for the sample locations ranged from <0.00001 to 0.01 with the drug-drug interaction (DDI) only adding less than 1.2 times increase to the overall risk. When the simulation of these mixtures was extended to an extreme for drug-drug interactions, 7 times a noticeable increase in the calculated risk was seen, but in no cases did the risk in any of the sample locations reach a level of concern.
Monotonicity properties of some Dini functions
Creators: name: Baricz, Árpád
name: Pogány, Tibor K.
name: Szász, Róbert
Publisher: name: arXiv
Year: 2014
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 33C10

description: In this note our aim is to deduce some new monotonicity properties for a special combination of Bessel functions of the first kind by using a recently developed Mittag-Leffler expansion for the derivative of a normalized Bessel function of the first kind. These monotonicity properties are used to obtain some new inequalities for Bessel functions of the first kind.
description: 4 pages, 1 figure
A Hybrid NN/HMM Modeling Technique for Online Arabic Handwriting Recognition
Creators: name: Tagougui, Najiba
name: Boubaker, Houcine
name: Kherallah, Monji
name: ALIMI, Adel M.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: In this work we propose a hybrid NN/HMM model for online Arabic handwriting recognition. The proposed system is based on Hidden Markov Models (HMMs) and Multi Layer Perceptron Neural Networks (MLPNNs). The input signal is segmented to continuous strokes called segments based on the Beta-Elliptical strategy by inspecting the extremum points of the curvilinear velocity profile. A neural network trained with segment level contextual information is used to extract class character probabilities. The output of this network is decoded by HMMs to provide character level recognition. In evaluations on the ADAB database, we achieved 96.4% character recognition accuracy that is statistically significantly important in comparison with character recognition accuracies obtained from state-of-the-art online Arabic systems.8
Alignment-free comparison of next-generation sequencing data using compression-based distance measures
Creators: name: Tran, Ngoc Hieu
name: Chen, Xin
Publisher: name: arXiv
Year: 2014
Subjects: subject: Genomics (q-bio.GN)
subject: FOS: Biological sciences

description: Enormous volumes of short reads data from next-generation sequencing (NGS) technologies have posed new challenges to the area of genomic sequence comparison. The multiple sequence alignment approach is hardly applicable to NGS data due to the challenging problem of short read assembly. Thus alignment-free methods need to be developed for the comparison of NGS samples of short reads. Recently, new $k$-mer based distance measures such as {\it CVTree}, $d_{2}^{S}$, {\it co-phylog} have been proposed to address this problem. However, those distances depend considerably on the parameter $k$, and how to choose the optimal $k$ is not trivial since it may depend on different aspects of the sequence data. Hence, in this paper we consider an alternative parameter-free approach: compression-based distance measures. These measures have shown impressive performance on long genome sequences in previous studies, but they have not been tested on NGS short reads. In this study we perform extensive validation and show that the compression-based distances are highly consistent with those distances obtained from the $k$-mer based methods, from the alignment-based approach, and from existing benchmarks in the literature. Moreover, as these measures are parameter-free, no optimization is required and they still perform consistently well on multiple types of sequence data, for different kinds of species and taxonomy levels. The compression-based distance measures are assembly-free, alignment-free, parameter-free, and thus represent useful tools for the comparison of long genome sequences and NGS samples of short reads.
Rotation of cometary meteoroids
Creators: name: Capek, David
Publisher: name: arXiv
Year: 2014
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The aim of this study is to estimate the rotational characteristics of meteoroids after their release from a comet during normal activity. The results can serve as initial conditions for further analyses of subsequent evolution of rotation in the interplanetary space. A sophisticated numerical model was applied to meteoroids ejected from 2P/Encke comet. The meteoroid shapes were approximated by polyhedrons with several thousands of surface elements, which have been determined by 3D laser scanning method of 36 terrestrial rock samples. These samples came from three distinct sets with different origin and shape characteristics. Two types of gas-meteoroid interactions (diffuse and specular reflection of gas molecules from the surface of meteoroid) and three gas ejection models (leading to very different ejection velocities) were assumed. The rotational characteristics of ejected meteoroid population were obtained by numerical integration of equations of motion with random initial conditions and random shape selection. It was proved, that the results do not depend on specific set of shape models and that they are applicable to (unknown) shapes of real meteoroids. A simple relationship between median of meteoroid spin frequencies $\bar{f}$ (Hz), ejection velocities $v_{\rm ej}$ (m s$^{-1}$) and sizes $D$ (m) was determined. For diffuse reflection of gas molecules from meteoroid's surface it is: $\bar{f}\simeq 2\times 10^{-3} v_{\rm ej} D^{-0.88}$, and for specular reflection of gas molecules from meteoroid's surface it is: $\bar{f}\simeq 5\times 10^{-3} v_{\rm ej} D^{-0.88}$. The distribution of spin frequencies is relatively wide; $2σ$-interval can be described as $\sim(0.1, 10)\times \bar{f}$. The results were determined for 2P/Encke comet, but it was shown that their validity is general.
Energy and helicity budgets of solar quiet regions
Creators: name: Tziotziou, K.
name: Tsiropoula, G.
name: Georgoulis, M. K.
name: Kontogiannis, I.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We investigate the free magnetic energy and relative magnetic helicity budgets of solar quiet regions. Using a novel non-linear force-free method requiring single solar vector magnetograms we calculate the instantaneous free magnetic energy and relative magnetic helicity budgets in 55 quiet-Sun vector magnetograms. As in a previous work on active regions, we construct here for the first time the (free) energy-(relative) helicity diagram of quiet-Sun regions. We find that quiet-Sun regions have no dominant sense of helicity and show monotonic correlations a) between free magnetic energy/relative helicity and magnetic network area and, consequently, b) between free magnetic energy and helicity. Free magnetic energy budgets of quiet-Sun regions represent a rather continuous extension of respective active-region budgets towards lower values, but the corresponding helicity transition is discontinuous due to the incoherence of the helicity sense contrary to active regions. We further estimate the instantaneous free magnetic-energy and relative magnetic-helicity budgets of the entire quiet Sun, as well as the respective budgets over an entire solar cycle. Derived instantaneous free magnetic energy budgets and, to a lesser extent, relative magnetic helicity budgets over the entire quiet Sun are comparable to the respective budgets of a sizeable active region, while total budgets within a solar cycle are found higher than previously reported. Free-energy budgets are comparable to the energy needed to power fine-scale structures residing at the network, such as mottles and spicules.