cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A novel approach to the classification of terrestrial drainage networks based on deep learning and preliminary results on Solar System bodies
Creators: name: Donadio, Carlo
name: Brescia, Massimo
name: Riccardo, Alessia
name: Angora, Giuseppe
name: Veneri, Michele Delli
name: Riccio, Giuseppe
Publisher: name: arXiv
Year: 2021
Subjects: subject: Geophysics (physics.geo-ph)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Machine Learning (cs.LG)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Several approaches were proposed to describe the geomorphology of drainage networks and the abiotic/biotic factors determining their morphology. There is an intrinsic complexity of the explicit qualification of the morphological variations in response to various types of control factors and the difficulty of expressing the cause-effect links. Traditional methods of drainage network classification are based on the manual extraction of key characteristics, then applied as pattern recognition schemes. These approaches, however, have low predictive and uniform ability. We present a different approach, based on the data-driven supervised learning by images, extended also to extraterrestrial cases. With deep learning models, the extraction and classification phase is integrated within a more objective, analytical, and automatic framework. Despite the initial difficulties, due to the small number of training images available, and the similarity between the different shapes of the drainage samples, we obtained successful results, concluding that deep learning is a valid way for data exploration in geomorphology and related fields.
description: Accepted, To be published on Scientific Reports (Nature Research Journal), 22 pages, 3 figures, 4 tables
Resilience in Formerly Incarcerated Black Women: Racial Centrality and Social Support as Protective Factors
Creators: name: Yee, Stephanie Elza
Publisher: name: Digital Repository at the University of Maryland
Year: 2019
Subjects: subject: Counseling psychology
subject: Criminology
subject: FOS: Law
subject: counseling
subject: incarcerated
subject: recidivism
subject: reentry
subject: resilience
subject: social support

description: The United States incarcerates a larger percentage of its population than any other country in the world. Women are entering prison at higher rates than men in recent years, especially Black women, who are underrepresented in the criminal justice literature. Very little is known about formerly incarcerated Black women, who experience unique sociocultural challenges such as disproportionate rates of mental health issues, gendered racism, intimate partner violence, and recidivism to prison. This study examined how social support and racial centrality played a role in challenges faced by a sample of 54 formerly incarcerated Black women living in a large metropolitan city in the mid-Atlantic. Two multiple hierarchical regressions were used to explore whether social support and racial centrality moderated the relationship between gendered racism and depression. There was no evidence to indicate that racial centrality predicted depression or acted as a moderator between gendered racism and depression. However, social support was found to moderate the relationship between the variables. Implications for practice and future directions are discussed.
Deuteron-Proton Elastic Scattering at Intermediate Energies
Creators: name: Ladygina, N. B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The deuteron-proton elastic scattering has been studied in the multiple scattering expansion formalism. The essential attention has been given to such relativistic problem as a deuteron wave function in a moving frame and transformation of spin states due to Wigner rotation. Parameterization of the nucleon-nucleon $t$-matrix has been used to take the off-energy shell effects into account. The vector, $A_y,$ and tensor, $A_{yy}$, analyzing powers of the deuteron have been calculated at two deuteron kinetic energies: 395 MeV and 1200 MeV. The obtained results are compared with the experimental data.
Additional file 2 of Clinically significant genomic alterations in the Chinese and Western patients with intrahepatic cholangiocarcinoma
Creators: name: Shifeng Xu
name: Guo, Yuan
name: Yanwu Zeng
name: Zhijian Song
name: Xiaodan Zhu
name: Fan, Ning
name: Zhilei Zhang
name: Guibing Ren
name: Zang, Yunjin
name: Rao, Wei
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 2: Supplemental Table 2. Fusion events
Influence of (N,H)-terminated surfaces on stability, hyperfine structure, and zero-field splitting of NV centers in diamond
Creators: name: Körner, Wolfgang
name: Ghassemizadeh, Reyhaneh
name: Urban, Daniel F.
name: Elsässer, Christian
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We present a density functional theory analysis of the negatively charged nitrogen-vacancy (NV$^-$) defect complex in diamond located in the vicinity of (111)- or (100)-oriented surfaces with mixed (N,H)-terminations. We assess the stability and electronic properties of the NV$^-$ center and study their dependence on the H:N ratio of the surface termination. The formation energy, the electronic density of states, the hyperfine structure and zero-field splitting parameters of an NV$^-$ center are analyzed as function of its distance and orientation to the surface. We find stable NV$^-$ centers with bulk-like properties at distances of at least $\sim8$ Angstroem from the surface provided that the surface termination consists of at least 25\% substitutional nitrogen atoms. Our results indicate that axial NV centers near a flat 100\% N-terminated (111) surface are the optimal choice for NV-based quantum sensing applications as they are the least influenced by the proximity of the surface.
Towards a Kinetic Model of Potential-Induced Shunting
Creators: name: Taubitz, C.
name: Schütze, M.
name: Köntopp, M.B.
Publisher: name: WIP
Year: 2012
Subjects: Components for PV Systems
PV Modules

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 3172-3176
description: Potential-induced shunting (PIS) of wafer-based silicon solar cells is one of the most severe types of
potential-induced degradation (PID). The correlation between laboratory PIS test results and the PIS behavior of PV
modules in the field is still an open question. One reason for this is the fact that, due to intermittent stress, PIS is
competing with regeneration episodes in the field unlike in most laboratory PIS setups. Since there is no detailed
study of the regeneration from PIS available in literature, in this work, the overall kinetics of PIS is investigated. PIS
is generated in the lab by applying a voltage bias to the cells of single-cell modules covered with grounded aluminum
foil. Regeneration is enabled by eliminating voltage bias. The degradation and regeneration behavior is analyzed by
shunt resistance (Rsh) measurements and performance measurements. It is found that in case of single-cell modules
Rsh measurements are a suitable way to monitor the progress of PIS in terms of power degradation. The measurements
reveal that the temperature dependences of both the shunting as well as the regeneration phase are Arrhenius like.
Inkjet-Printed Diffusion Barrier for Structured Doping Areas from Doped PECVD Silicate Glasses
Creators: name: Stüwe, D.
name: Keding, R.
name: Hahn, D.
name: Jahn, M.
name: Fallisch, A.
name: Clement, F.
name: Hofmann, M.
name: Woehl, R.
name: Biro, D.
name: Tüshaus, C.
name: Doll, O.
name: Stockum, W.
name: Köhler, I.
Publisher: name: WIP
Year: 2012
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Silicon Solar Cell Improvements

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 1802-1805
description: This paper presents a novel approach for the formation of separated doped areas, where the diffusion barrier
isishape® SolarResist™ is inkjet-printed prior to a plasma-enhanced chemical vapor deposition (PECVD) process of
boron- and phosphorus-doped silicate glasses (BSG, PSG). This allows for very accurate single-sided definition of
doped patterns without the use of masking and etching of diffusion barriers, diffusion sources or diffused areas. The
printed patterns themselves are characterized regarding their thickness. The areas with the printed diffusion barrier
are characterized with respect to their sheet resistance Rsh and their doping profile. The barrier effect was
demonstrated for diffusion plateau times up to 30 min at 1050°C against diffusion from BSG-layers and for the same
plateau time at 850°C against diffusion from PSG-layers.
Additional file 3 of Clinically significant genomic alterations in the Chinese and Western patients with intrahepatic cholangiocarcinoma
Creators: name: Shifeng Xu
name: Guo, Yuan
name: Yanwu Zeng
name: Zhijian Song
name: Xiaodan Zhu
name: Fan, Ning
name: Zhilei Zhang
name: Guibing Ren
name: Zang, Yunjin
name: Rao, Wei
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 3: Supplemental Table 3. Comparison of mutational frequency for the top 10 mutated genes between the Chinese and Western cohorts.
Performances and Yield Assessment of Glazed Photovoltaic-Thermal Collectors
Creators: name: Dupeyrat, P.
name: Fortuin, S.
name: Kwiatkowski, G.
name: Baranzini, M.
name: Schumann, M.
Publisher: name: WIP
Year: 2012
Subjects: Components for PV Systems
PV Modules

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 3321-3325
description: Photovoltaic-Thermal (PV-T) hybrid collectors are multi-energy components that convert solar energy
into both electricity and heat. In this paper, the performances of a PV-T collector are investigated. The objective is
not only the evaluation of the PV-T collector itself, but the evaluation of this component operating in a real energy
system. For this purpose, experimental prototypes of PV-T collector were built, tested in an indoor sun simulator and
finally installed and monitored at the EDF R&D outdoor test facility. PV-T prototypes were connected to a thermal
system and the production of both electricity and domestic hot water was monitored. The first monitoring results
showed that the integration of both PV and solar thermal technologies into one type of collector can lead to a high
combined (electric and thermal) efficiency and yield. Then, based on these tests, the yearly performance of a PV-T
domestic hot water system was simulated using TRNSYS. The results presented in this paper show that with PV-T
collectors the system can provide the same solar thermal production but at the same time a higher electrical
production than a system with separate PV panels and conventional thermal collectors side-by-side.
Damping transition in an open generalized Aubry-André-Harper model
Creators: name: He, Peng
name: Liu, Yu-Guo
name: Wang, Jian-Te
name: Zhu, Shi-Liang
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the damping dynamics of the single-particle correlation for an open system under periodic and aperiodic order, which is dominated by the Lindblad master equation. In the absence of the aperiodic order, the Liouvillian superoperator exhibits the non-Hermitian skin effect, which leads to unidirectional damping dynamics, dubbed as "chiral damping". Due to the non-Hermitian skin effect, the damping dynamics is boundary sensitive: The long-time damping of such open systems is algebraic under periodic boundary conditions but exponential under open boundary conditions. We reveal the phase transition with the inclusion of the hopping amplitude modulation. By using the spectral topology and a finite-size scaling analysis in the commensurate case, we show there exists a phase transition of the skin effect with non-Bloch anti-parity-time symmetry breaking. For the incommensurate case, we find richer phases with the coexistence of the non-Hermitian skin effect and the Anderson localization, which are separated by a generalized mobility edge. We reveal the transition of the damping dynamics as a consequence of the phase transition. Furthermore, we propose a possible scheme with ultracold atoms in a dissipative momentum lattice to realize and detect the damping dynamics.
description: 10 pages, 10 figures
Influence of Substrate Temperature on Epitaxial Growth of Ge on Si by Sputtering
Creators: name: Liu, Z.
name: Hao, X.J.
name: Green, M.A.
Publisher: name: WIP
Year: 2012
Subjects: Material Studies, New Concepts and Ultra-High Efficiency
New Materials, Cells and Modules

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 298-300
description: Ge wafers have been used as substrates for the growth of III–V based tandem solar cells because of the ideal lattice match. However, Ge wafers are high cost and the bandgap of Ge is too small which limits its contribution to the voltage output. Using epitaxial Ge on Si as template for III–V growth is a promising solution. Si has much higher bandgap and lower cost than Ge. Epitaxial Ge film with low dislocation density and smooth surface is desired for III–V growth. Since the substrate temperature could significantly influence the film property, it is investigated to
optimize the deposition condition for Ge epitaxial growth. To compare the microstructure of the Ge films deposited at
different substrate temperatures, the surface morphology was analyzed by atomic force microscopy (AFM), structural
property of the films was examined by X-ray diffraction (XRD) and Transmission Electron Microscopy (TEM). Ge film deposited at high substrate temperature exhibits good crystallinity, low dislocation density and rough surface.
Characterization of Electrical Conductive Adhesives (ECA) for the Photovoltaic-Industry
Creators: name: Hinz, I.
name: Schulze, S.-H.
name: Barche, F.
name: Schak, M.
name: Wenger, F.
Publisher: name: WIP
Year: 2012
Subjects: Components for PV Systems
PV Modules

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 3474-3478
description: Alternative conducting methods are sought to minimize or prevent cell-cracking of conventional solar
modules and to substitute leaded solder wires.Furthermore, in thin film solar cells conventional soldering methods
lead to problems caused by the significant heat output and are thus unsuitable. In the optimization of the thin film
solar cell interconnection, electrically conductive adhesives are applied. The main advantage of electrically
conductive adhesives lies in lower temperature during processing. A variety of commercially conductive adhesives is
available which makes an appropriate selection difficult. However, in order to select a conductive adhesive which is
optimized for a specific manufacturing process and application, it is necessary to know its thermal and mechanical
properties. Consequently, a characterization of the properties of applicable adhesives is essential. In this work,
various adhesives have been selected from different manufactures. For the determination of curing behaviour the
adhesives have been analyzed using differential scanning calorimetry (DSC) as well as dynamic mechanical analysis
(DMA) and a curing profile was created. Furthermore, test structures have been prepared using a volumetric
dispensing method under variation of process parameters. Electrical properties such as electrical resistance have been
investigated by the four-point measurement. To determine the mechanical properties, 90 degree peel test and shear
tests have been applied. The results of these investigations give an overview of the processing behaviour of different
conductive adhesives.
Intermediate-Band-Assisted Hot-Carrier Solar Cells Using Indirect-Bandgap Absorbers
Creators: name: Takeda, Y.
name: Motohiro, T.
Publisher: name: WIP
Year: 2012
Subjects: Material Studies, New Concepts and Ultra-High Efficiency
Fundamental Material Studies

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 451-458
description: We have revealed that a new type of solar cells: intermediate-band-assisted hot-carrier solar cells (IBHC-
SCs) using indirect-bandgap absorbers can solve serious issues involved in intermediate-band solar cells (IBSCs)
and hot-carrier solar cells (HC-SCs). We have analyzed energy dissipation processes in these cells using the
detailed-balance models. In an HC-SC, energy dissipation related to entropy generation associated with hot-carrier
extraction is a major issue, although energy dissipation caused by the thermalization is sufficiently reduced. An IBSC
requires “photon selectivity”, where the spectral absorption ranges for the three interband transitions have no
overlap with each other, to minimize carrier energy in excess of each bandgap. When hot carriers are extracted from
an IB absorber, the current density smaller than that for a single-gap absorber reduces the entropy generation, and
consequently relaxes the requisite for the thermalization time. Even though the photon selectivity is broken, the
increasing excess carrier energy is efficiently converted to electricity. The current density is further decreased using
an indirect-bandgap absorber, leading to even higher efficiency. The limiting conversion efficiency of this new type
with no photon selectivity has been calculated to be higher than those of IB-SCs with perfect selectivity by around
10%, assuming the thermaliztion time being 1 ns.
Electromagnetic Vortex Topologies from Sparse Circular Phased Arrays
Creators: name: Wang, Hao
name: Szekerczes, Kaitlyn
name: Afanasev, Andrei
Publisher: name: arXiv
Year: 2021
Subjects: subject: Classical Physics (physics.class-ph)
subject: Optics (physics.optics)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Structured vortex waves have numerous applications in optics, plasmonics, radio-wave technologies and acoustics. We present a theoretical study of a method for generating vortex states based on coherent superposition of waves from discrete elements of planar phased arrays, given limitations on an element number. Using Jacobi-Anger expansion, we analyze emerging vortex topologies and derive a constraint for the least number of elements needed to generate a vortex with a given leading-order topological charge.
description: 11 pages, 4 figures; references and discussion added
Structure and Nuclear Composition of General Relativistic, Magnetohydrodynamic Outflows from Neutrino-Cooled Disks
Creators: name: Barzilay, Yudith
name: Levinson, Amir
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We compute the structure and degree of neutronization of general relativistic magnetohydrodynamic (GRMHD) outflows originating from the inner region of neutrino-cooled disks. We consider both, outflows expelled from a hydrostatic disk corona and outflows driven by disk turbulence. We show that in outflows driven thermally from a static disk the electron fraction quickly evolves to its equilibrium value which is dominated by neutrino capture. Those outflows are generally proton rich and, under certain conditions, can be magnetically dominated. They may also provide sites for effective production of 56Ni. Centrifugally driven outflows and outflows driven by disk turbulence, on the other hand, can preserve the large in-disk neutron excess. Those outflows are, quite generally, subrelativistic by virtue of the large mass flux driven by the additional forces.
description: 16 pages, 3 figures, submitted to New Astronomy
The ice-limit of Coulomb gauge Yang-Mills theory
Creators: name: Heinzl, Thomas
name: Ilderton, Anton
name: Langfeld, Kurt
name: Lavelle, Martin
name: McMullan, David
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: In this paper we describe gauge invariant multi-quark states generalising the path integral framework developed by Parrinello, Jona-Lasinio and Zwanziger to amend the Faddeev-Popov approach. This allows us to produce states such that, in a limit which we call the ice-limit, fermions are dressed with glue exclusively from the fundamental modular region associated with Coulomb gauge. The limit can be taken analytically without difficulties, avoiding the Gribov problem. This is llustrated by an unambiguous construction of gauge invariant mesonic states for which we simulate the static quark--antiquark potential.
description: 25 pages, 4 figures
Vibrational modes of metal nanoshells and bimetallic core-shell nanoparticles
Creators: name: Kirakosyan, Arman S.
name: Shahbazyan, Tigran V.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We study theoretically spectrum of radial vibrational modes in composite metal nanostructures such as bimetallic core-shell particles and metal nanoshells with dielectric core in an environment. We calculate frequencies and damping rates of fundamental (breathing) modes for these nanostructures along with those of two higher-order modes. For metal nanoshells, we find that the breathing mode frequency is always lower than the one for solid particles of the same size, while the damping is higher and increases with reduction of the shell thickness. We identify two regimes that can be characterized as weakly damped and overdamped vibrations in the presence of external medium. For bimetalllic particles, we find periodic dependence of frequency and damping rate on the shell thickness with period determined by mode number. For both types of nanostructures, the frequency of higher modes is nearly independent of the environment, while the damping rate shows strong sensitivity to outside medium.
description: 7 pages, 8 figures
Additional file 17 of Disentangling the mechanisms shaping the surface ocean microbiota
Creators: name: Logares, Ramiro
name: Deutschmann, Ina M.
name: Junger, Pedro C.
name: Giner, Caterina R.
name: Krabberød, Anders K.
name: Schmidt, Thomas S. B.
name: Rubinat-Ripoll, Laura
name: Mestre, Mireia
name: Salazar, Guillem
name: Ruiz-González, Clara
name: Sebastián, Marta
name: de Vargas, Colomban
name: Acinas, Silvia G.
name: Duarte, Carlos M.
name: Gasol, Josep M.
name: Massana, Ramon
Publisher: name: figshare
Year: 2020
Subjects: subject: Oceanography
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences

description: Additional file 17: Table S7. The 36 Malaspina stations (out of 120) featuring significant (p < 0.05) Local Contributions to Beta Diversity (LCBD) in prokaryotes and/or picoeukaryotes.
Fine Line Printing of Front Side Metallisations Using Ultra Fine Mesh and Stencil Technologies
Creators: name: Falcon, T.
name: Anderson, R.
name: Clark, D.A.
Publisher: name: WIP
Year: 2012
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Silicon Solar Cell Improvements

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 1739-1743
description: Front side metallisations were printed to achieve ultra fine line widths using two approaches. Ultra fine line
mesh screens were used in single print mode to achieve finger widths down to 40μm. High precision stencils were used
to acheive finger widths down to 30μm in dual print mode where a 2nd conventional mesh print was used to print the
busbar in order to determine effect on cell conversion efficiency and paste consumption. The paste consumption, line
aspect ratio and cell IV data are analysed for each option tested. In addition, data on the solder adhesion of the busbar is
presented. Use of ultra fine meshes in single print mode is shown to enable reductions in paste consumption up to 30%
without effecting cell efficiency. In this mode the busbar thickness is significantly reduced causing a reduction in solder
adhesion forces.
In dual print mode the use of a stencil to print the fingers and a 400 mesh to print a dedicated busbar paste is shown to
achieve total laydown reductions up to 40% and a relative increase in efficiency > 0.5% . Use of a dedicated busbar paste
enables high solder adhesion forces to be maintained.
MORTALITY AND REOVIRUS INFECTION IN SOFT-SHELL BLUE CRAB (CALLINECTES SAPIDUS) AQUACULTURE
Creators: name: Spitznagel, Matthew Isaac
Publisher: name: Digital Repository at the University of Maryland
Year: 2019
Subjects: subject: Environmental science
subject: Natural resource management
subject: Aquatic sciences
subject: Aquaculture
subject: Callinectes
subject: CsRV1
subject: Disease
subject: Molting
subject: Sustainability

description: Soft-shell blue crab production the United States is an undervalued aquaculture practice experiencing high crab mortality rates from a series of stressors, including disease. The impact of one disease, the reovirus CsRV1, remains unquantified in major soft-shell crab production regions, despite the virus’ known ubiquity and lethality. My research examined the mortality and CsRV1 infection rates of pre- and post-production crabs in Maryland, Virginia, and Louisiana soft-shell crab production facilities in 2016-2017, attempting to link these rates to water quality and aquaculture practice variables. I found that recirculating aquaculture systems lost half the proportion of crabs (16%) that flow-through systems did (33%). CsRV1 infection was the primary predictor of crab death in Chesapeake aquaculture, presenting in 75% of dead crabs compared to 22% of dead crabs in Louisiana aquaculture. Multi-state data suggests crab losses worth over $2 million are attributable to CsRV1, indicating a need for aquaculture effluent and discard control.
Impact of Crystal Growth on Boron-Oxygen Defect Formation
Creators: name: Walter, D.
name: Lim, B.
name: Bothe, K.
name: Falster, R.
name: Voronkov, V.
name: Schmidt, J.
Publisher: name: WIP
Year: 2012
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Silicon Feedstock, Crystallisation and Wafering

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 775-779
description: The impact of crystal pulling conditions during the Czochralski-growth (Cz) process on the boronoxygen
(BO) defect in silicon is investigated. For this purpose samples from three crystal positions (seed end, centre,
tail end) from three different ingots (A, C and L), which were grown in a Cz process, are investigated. The effective
lifetimes after annealing in the dark and after illumination (and hence the derived maximum effective defect
concentrations Nt*) are found to depend on the crystal position. This effect is attributed to the variations of the hole
concentration p0 and the interstitial oxygen concentration [Oi]. If the determined Nt* is normalized to the product
p0×[Oi]2, no systematic variation as a function of the crystal position is observed. Apart from investigating the
variation along the crystal axis, the lateral BO defect distribution is examined. This allows us to study the influence of
naturally grown-in intrinsic point defects such as self-interstitials and vacancies on the extent of the BO-induced
recombination. For all investigated samples no lifetime variation between the two predominant point defect regions is
observed. These results indicate that the formation of the BO-related recombination centre is not systematically
affected by the crystal pulling condition.
Dynamical Symmetry and the Thermofield State at Large $N$
Creators: name: Jevicki, Antal
name: Liu, Xianlong
name: Yoon, Junggi
name: Zheng, Junjie
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We discus Thermofield Double QFT at real time, in the large $N$ limit. First, we establish a (dynamical) symmetry which we argue holds in general on the real time portion of the Schwinger-Kelydish contour. At large $N$ this symmetry is seen to generate a one parameter degeneracy of stationary collective solutions. The construction is explicitly worked out on the example of $O(N)$ vector QFT. As a nontrivial application we describe construction of the corresponding (large $N$) Thermofield Double State in real time collective formalism.
description: Appendix C added; matches published version
RELEVANCE, SELF-DETERMINATION, AND UNIVERSALITY THROUGH ST. AUGUSTINE CATHOLIC CHURCH'S GOSPEL CHOIR
Creators: name: Visceglia, Victoria Lynn
Publisher: name: Digital Repository at the University of Maryland
Year: 2019
Subjects: subject: Cultural anthropology
subject: Music
subject: Black
subject: Catholic
subject: Ethnomusicology
subject: Gospel
subject: Mediation

description: The Second Vatican Council provided ample opportunity for individual Catholic parishes to choose music that suited their congregations and contribute to the “Universal Church” through their particularity. St. Augustine Catholic Church in Washington, D.C. formed a gospel choir in light of this newfound freedom. Based on about one year of participant observation, this thesis analyzes the Gospel Choir’s role in making the Mass more relevant and interactive for parishioners. Singers maintain certain practices and ideals of the Church that they know make their ministry more effective while acknowledging the shortcomings of Catholicism at an institutional level. They animate listeners to respond dialogically with the Mass, allowing their lived experiences to inform their spiritual transformations. After more than 40 years, the Gospel Choir continues to navigate the boundaries between sacred and secular, Catholic and Protestant, and contrasting conceptions of African American identity.
Center-of-mass ambiguity for Bondi-Metzner-Sachs charges
Creators: name: Helfer, Adam D.
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Dray and Streubel proposed a definition of angular momentum in general relativity based on `Bondi-Metzner-Sachs (BMS) charges'. I show here that the natural definition of center of mass in this program has an infinite-dimensional ambiguity. (This seems not to have been noticed before because previous work has tacitly carried over a special-relativistic assumption.) A related point is that the natural definition of spin in this context is translation-, but not supertranslation-, invariant.
description: 7 pages. This is the Accepted Manuscript version of an article accepted for publication in Classical and Quantum Gravity. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at 10.1088/1361-6382/abfc2e
A Novel Origin of Avalanche Breakdown in Multicrystalline Silicon Solar Cells
Creators: name: Bauer, J.
name: Lausch, D.
name: Blumtritt, H.
name: Zakharov, N.
name: Breitenstein, O.
Publisher: name: WIP
Year: 2012
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Silicon Solar Cell Characterization and Modelling

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 857-860
description: The root causes of breakdown of multicrystalline silicon solar cell well below the theoretical limit are investigated in this contribution. The main focus of this paper is on avalanche, or so called type-3, breakdown sites in alkaline texturized solar cells. However, the similarities and differences of the same breakdown type in isotextured solar cells are described as well. Using EBIC charge collecting contrast of p-n junctions at FIB prepared cross
sections it is found that possible enhanced phosphorous diffusion at certain line defects in the material leads to spikes of the p-n junction despite of a flat surface of alkaline textured solar cells. Avalanche breakdown occurs at these spikes similar to the avalanche breakdown at etch pits in isotextured solar cells, but at slightly higher absolute reverse voltages as compared to the latter ones. It is assumed that the differences of the breakdown onset voltages are due to the slightly different p-n junction curvature shapes in alkaline and isotextured solar cells.
Self-consistent Stellar Radial Velocities from LAMOST Medium-Resolution Survey (MRS) DR7
Creators: name: Zhang, Bo
name: Li, Jiao
name: Yang, Fan
name: Xiong, Jian-Ping
name: Fu, Jian-Ning
name: Liu, Chao
name: Tian, Hao
name: Li, Yin-Bi
name: Wang, Jia-Xin
name: Liang, Cai-Xia
name: Zhou, Yu-Tao
name: Zong, Wei-kai
name: Yang, Cheng-Qun
name: Liu, Nian
name: Hou, Yong-Hui
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Radial velocity (RV) is among the most fundamental physical quantities obtainable from stellar spectra and is rather important in the analysis of time-domain phenomena. The LAMOST Medium-Resolution Survey (MRS) DR7 contains 5 million single-exposure stellar spectra at spectral resolution $R\sim7\,500$. However, the temporal variation of the RV zero-points (RVZPs) of the MRS survey, which makes the RVs from multiple epochs inconsistent, has not been addressed. In this paper, we measure the RVs of the 3.8 million single-exposure spectra (for 0.6 million stars) with signal-to-noise ratio (SNR) higher than 5 based on cross-correlation function (CCF) method, and propose a robust method to self-consistently determine the RVZPs exposure-by-exposure for each spectrograph with the help of \textit{Gaia} DR2 RVs. Such RVZPs are estimated for 3.6 million RVs and can reach a mean precision of $\sim 0.38\,\mathrm{km\,s}^{-1}$. The result of the temporal variation of RVZPs indicates that our algorithm is efficient and necessary before we use the absolute RVs to perform time-domain analysis. Validating the results with APOGEE DR16 shows that our absolute RVs can reach an overall precision of 0.84/0.80 $\mathrm{km\,s}^{-1}$ in the blue/red arm at $50
description: 23 pages, 15 figures, accepted by ApJS
On Hawking radiation from black rings
Creators: name: Miyamoto, Umpei
name: Murata, Keiju
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We calculate the quantum radiation from the five dimensional charged rotating black rings by demanding the radiation to eliminate the possible anomalies on the horizons. It is shown that the temperature, energy flux and angular-momentum flux exactly coincide with those of the Hawking radiation. The black rings considered in this paper contain the Myers-Perry black hole as a limit and the quantum radiation for this black hole, obtained in the literature, is recovered in the limit. The results support the picture that the Hawking radiation can be regarded as the anomaly eliminator on horizons and suggest its general applicability to the higher-dimensional black holes discovered recently.
description: 13 pages, 1 figure
The three-loop polarized singlet anomalous dimensions from off-shell operator matrix elements
Creators: name: Blümlein, J.
name: Marquard, Peter
name: Schneider, C.
name: Schönwald, K.
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2021
Subjects: structure function, measured
luminosity, high
scaling, violation
strong interaction, coupling constant
anomalous dimension
quantum chromodynamics
splitting function
singlet
Bjorken
gravitation
nucleon
spin
twist
off-shell
higher-twist
scattering
strong coupling

description: Future high luminosity polarized deep--inelastic scattering experiments will improve both the knowledge of the spin sub--structure of the nucleons and contribute further to the precision determination of the strong coupling constant, as well as, reveal currently yet unknown higher twist contributions in the polarized sector. For all these tasks to be performed, it is necessary to know the QCD leading twist scaling violations of the measured structure functions. Here an important ingredient consists in the polarized singlet anomalous dimensions and splitting functions in QCD. We recalculate these quantities to three--loop order in the M--scheme by using the traditional method of space--like off--shell massless operator matrix elements, being a gauge--dependent framework. Here one obtains the anomalous dimensions without referring to gravitational currents, needed when calculating them using the forward Compton amplitude. We also calculate the non--singlet splitting function $\Delta P_{\rm qq}^{(2), \rm s, NS}$ and compare the final results to the literature, also including predictions for the region of small values of Bjorken $x$.
TEM Investigations on an Iron Silicide Particle Inducing Type-2 Breakdown in mc-Si Solar Cells
Creators: name: Bauer, J.
name: Hähnel, A.
name: Blumtritt, H.
name: Lausch, D.
name: Kwapil, W.
name: Breitenstein, O.
Publisher: name: WIP
Year: 2012
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Silicon Solar Cell Characterization and Modelling

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 1246-1250
description: Investigations of electrical breakdown in multicrystalline silicon solar cells in the last couple of years revealed different breakdown mechanisms. One breakdown type is found to occur dominantly at highly recombinative defect structures and is called type-2 breakdown. It was reported that metal precipitates, containing
mainly iron, play a major role for the formation of such breakdown sites. In this contribution type-2 breakdown sites were localized with high precision using micro reverse-bias electroluminescence, focused ion beam preparation, and different electron microscopy methods. It can be shown that type-2 breakdown sites found here are caused by rod-like a-FeSi2 precipitates. These precipitates are located at large angle grain boundaries and can be assigned to dislocation lines. Taking into account the quasi metallic behavior of a-FeSi2 rods, their position directly at the p-n junction, and their size, a model of the breakdown mechanism based on a Schottky junction between the p-doped solar cell’s base and the metal precipitate is proposed.
The N$^3$LO scheme-invariant QCD evolution of the non-singlet structure functions F$_{2}^{NS}$($x$,Q$^2$) and g$_1^{NS}$(x,Q$^2$)
Creators: name: Blümlein, Johannes
name: Saragnese, Marco
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2021

description: doi:10.1016/j.physletb.2021.136589
description: We present the scheme-invariant unpolarized and polarized flavor non–singlet evolution equation to N3LO for the structure functions F$_2$(x,Q$^2$) and g$_1$(x,Q$^2$) including the charm- and bottom quark effects in the asymptotic representation. The corresponding evolution is based on the experimental measurement of the non–singlet structure functions at a starting scale Q$_{0}^2$. In this way the evolution does only depend on the strong coupling constant $α_s$(M$_Z$) or the QCD scale $Λ_{QCD}$ and the charm and bottom quark masses m$_c$ and m$_b$ and provides one of the cleanest ways to measure the strong coupling constant in future high luminosity deep–inelastic scattering experiments. The yet unknown parts of the 4–loop anomalous dimensions introduce only a marginal error in this analysis.
Excellent Passivation of n+ and p+ Silicon by PECVD SiOx/AlOx Stacks
Creators: name: Lin, F.
name: Duttagupta, S.
name: Aberle, A.G.
name: Hoex, B.
Publisher: name: WIP
Year: 2012
Subjects: Wafer-Based Silicon Solar Cells and Materials Technology
Silicon Solar Cell Characterization and Modelling

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 1251-1254
description: In this work, we investigate the surface passivation of n+ and p+ emitters by SiOx/AlOx stacks
deposited by inline plasma-enhanced chemical vapour deposition (PECVD) in a fully industrial process. We show
that the SiOx/AlOx stacks provide an excellent level of surface passivation on both p+ and n+ emitters with various
sheet resistance values. On n+ emitters, the surface passivation by SiOx/AlOx stacks is found to be at least comparable
to PECVD SiNx. These results can be explained by the relatively low interface trap density and moderate negative
fixed charge density in the stack after an industrial firing process. In addition, with increasing SiOx thickness in the
stack, the surface passivation quality on boron diffused p+ emitters is found to degrade, while it improves on
phosphorus diffused n+ emitters. This indicates that the surface passivation by SiOx/AlOx stacks can be effectively
controlled via the SiOx layer thickness. These important findings can be directly applied in various high-efficiency
solar cell structures. When a simultaneous passivation is required on both p+ and n+ silicon by the same passivation
film, the SiOx/AlOx stack could turn out to be an excellent candidate.
Description and Analysis of Potential Induced Degradation in Crystalline Silicon Solar Cells and Modules Based on Transistor Principles
Creators: name: Kindyni, N.
name: Georghiou, G.E.
Publisher: name: WIP
Year: 2012
Subjects: Components for PV Systems
PV Modules

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 3388-3393
description: In the last few years the photovoltaic community has become aware of the potential induced
degradation (PID) of crystalline silicon solar cells caused by leakage current at high voltages. PID is known to cause
significant power loss in large-scale photovoltaic systems. However, the effect is not clear and the detailed
mechanism is not known on the microscopic level yet. So far, a deeper understanding of the physics behind it is
missing. At the same time, transistor aging is a major reliability concern for device scientists. This work indicates the
many similarities between the solar cell’s and transistor’s aging behaviour under voltage stress. The approach uses
aging effects that have been observed and studied extensively in transistors, in an attempt to describe the aging of
solar cells due to PID. High voltage stress leads to module degradation through multiple mechanisms. This paper
presents the first steps made towards an analytical model for PID. The key parameter for analyzing PID was found to
be the dielectric layer (silicon dioxide/silicon nitride), and most importantly the quality of the dielectric/substrate
interface. The interface trapped charge density seems to be a good indicator for the intensity of PID.
Developmental pathways from maternal emotion dysregulation to parenting behaviors and adolescent emotion lability: interactive effects of youth ADHD symptoms and sex
Creators: name: Oddo, Lauren Elizabeth
Publisher: name: Digital Repository at the University of Maryland
Year: 2019
Subjects: subject: Clinical psychology
subject: Adolescence
subject: Attention-Deficit Hyperactivity Disorder
subject: Emotion Dysregulation
subject: Parenting

description: A large literature base convincingly suggests that maternal and child characteristics interact to predict parenting practices and children’s emotional development. However, the independent and interactive effects of parent- and youth-level risk factors on emotion parenting behaviors and adolescent emotion lability over time is largely unknown. Using secondary data analyses of a longitudinal community sample of adolescents and their caregivers (N = 277), the current study examined the extent to which supportive vs. harsh parenting reactions to adolescents’ expressions of negative emotions underlie the longitudinal association between maternal emotion dysregulation and changes in adolescent emotion lability, and whether youth ADHD symptoms and sex impact these processes. Using structural equation modeling, results showed that mothers who reported being more emotionally dysregulated were more likely to endorse engaging in harsh parenting for boys with more ADHD symptoms, relative to mothers of adolescent girls or adolescents with fewer ADHD symptoms. Contrary to hypotheses, no other pathways were statistically significant. These results partially align with a transactional model of parenting wherein parent- and adolescent-level risk factors interact to confer risk for maladaptive parenting. Future work should further attempt to characterize the independent and interactive effects of maternal emotion dysregulation and youth ADHD symptoms on parenting and adolescent outcomes over time.
LINGVOCULTURAL INTERFERENCE IN LEARNING FOREIGN LANGUAGES
Creators: name: Naimova, D.K.
Publisher: name: Zenodo
Year: 2024

description: This article deals with the influence of the native language on learning a foreign language and overcoming its interfering aspects. Based on the analysis of domestic and foreign methodological literature, the author identifies the following types of linguocultural interference: phonological, grammatical, lexical, syntactic and sociocultural. To overcome interference, a special set of exercises is required to ensure maximum weakening of the effects of the identified types of interference.
How Far Does the Grid Go?
Creators: name: Pantelis, Irene Noemi
Publisher: name: Digital Repository at the University of Maryland
Year: 2019
Subjects: subject: Art history
subject: Philosophy
subject: FOS: Philosophy, ethics and religion
subject: chaos
subject: fluid
subject: flux
subject: grid
subject: process art
subject: regeneration

description: My artwork probes the connection between daily life and what I perceive as the larger grid out there—a mesh that entangles all peoples, beings and things, cuts across all time, and is always in flux. Drawing from my everyday life and experiences as a Latin American immigrant, I incorporate materials from my suburban home environment in my multidisciplinary approach. I create organic forms and grids that abstract, excavate, ground and find universal truths in the quotidian. They also serve as platforms for engaging obliquely with history, science, archeology, philosophy, and magic realism. My artwork invites viewers to reach interpretations based on their own associations, experiences, and feelings. It thus brings attention to the power of our imagination to infuse the material world, particularly nature, with fluid possibilities of meaning and subjectivity.
Efficiency of PV Systems with Solar Trackers in the Russian Regions
Creators: name: Kitaeva, M.V.
name: Yurchenko, A.V.
name: Okhorzina, A.V.
Publisher: name: WIP
Year: 2012
Subjects: Components for PV Systems
Balance of System Components

description: 27th European Photovoltaic Solar Energy Conference and Exhibition; 3591-3593
description: The calculation results for the tracking systems effectiveness in Russian regions and working data for
the systems in Western Siberia have been presented.