UNT Scholarly Works - 355 Matching Results

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Coupling of Surface Plasmon Polariton in Al-Doped ZnO with Fabry-Pérot Resonance for Total Light Absorption
This article presents finite-difference time-domain (FDTD) simulations on total light absorption (TLA) resulting from the coupling of a surface plasmon polariton (SPP) with Fabry-Pérot (F-P) resonance in a three-layer structure consisting of an AZO square lattice hole array, a spacer, and a layer of silver.
A new, faint population of X-ray transients
This article reports on the detection of a remarkable new fast high-energy transient found in the Chandra Deep Field-South, robustly associated with a faint host in the CANDELS survey.
ALMA Observations Show Major Mergers Among the Host Galaxies of Fast-growing, High-redshift, Supermassive Black Holes
This article presents new ALMA band-7 data for a sample of six luminous quasars at z ≃ 4.8, powered by fast-growing supermassive black holes (SMBHs) with rather uniform properties.
Bold-Independent Computational Entropy Assesses Functional Donut-Like Structures in Brain fMRI Images
This article introduces a novel technique of fMRI images analysis, called computational proximity method, i.e., nucleus clustering in Voronoï tessellations.
A Symmetric Approach Elucidates Multisensory Information Integration
This article shows that the Borsuk-Ulam theorem applies also to multisensory integration: two environmental stimuli from different sensory modalities display similar features when mapped into cortical neurons.
Long-Term X-Ray Variability of Typical Active Galactic Nuclei in the Distant Universe
This article discusses the long-term (≈15 years, observed frame) X-ray variability analyses of the 68 brightest radio-quiet active galactic nuclei (AGNs) in the 6 Ms Chandra Deep Field-South survey.
Effects of light on the resistivity of chemical vapor deposited graphene films
This article reports that the resistance of a chemical vapor deposition (CVD) grown graphene film transferred onto an SiO₂ substrate increases to higher saturation values upon exposure to light of decreasing wavelength from the visible to ultraviolet.
Laser Ablated Carbon Nanodots for Light Emission
This article reports the synthesis of fluorescent carbon dots-like nanostructures obtained through the laser ablation of a carbon solid target in liquid environment is reported.
The deepest X-ray view of high-redshift galaxies: constraints on low-rate black hole accretion
This article exploits the 7 Ms Chandra observations in the Chandra Deep Field-South (CDF-S), the deepest X-ray survey to date, coupled with CANDELS/GOODS-S data, to measure the total X-ray emission arising from 2076 galaxies at 3.5 ≤ z ≤ 6.5.
Ergodicity breaking and localization
This article studies the joint action of the non-Poisson renewal events (NPR) yielding Continuous-time random walk (CTRW) with index α < 1 and two different generators of Hurst coefficient H ≠ 0.5, one generating fractional Brownian motion (FBM) and another scaled Brownian motion (SBM).
Flexible Holographic Fabrication of 3D Photonic Crystal Templates with Polarization Control through a 3D Printed Reflective Optical Element
This article systematically studies the holographic fabrication of three-dimensional (3D) structures using a single 3D printed reflective optical element (ROE), taking advantage of the ease of design and 3D printing of the ROE.
The Chandra Deep Field-South Survey: 7 Ms Source Catalogs
This article presents X-ray source catalogs for the ≈7 Ms exposure of the Chandra Deep Field-South (CF-S), which covers a total area of 484.2 arcmin².
The Evolution of Normal Galaxy X-Ray Emission Through Cosmic History: Constraints from the 6 Ms Chandra Deep Field-South
This article presents measurements of the evolution of normal-galaxy X-ray emission from z ≈ 0-7 using local galaxies and galaxy samples in the ≈6 Ms Chandra Deep Field-South (CDF-S) survey.
Holographic Fabrication of Designed Functional Defect Lines in Photonic Crystal Lattice Using a Spatial Light Modulator
This article reports the holographic fabrication of designed defect lines in photonic crystal lattices through phase engineering using a spatial light modulator.
A New Way to Understand and Address Women's Health in the Context of Complex Systems: Self-organizing Criticality
This article examines how self-organizing criticality can assist in answering complex questions in health and health care systems.
Ion exchanger in the brain: Quantitative analysis of perineuronally fixed anionic binding sites suggests diffusion barriers with ion sorting properties
This article proposes that fixed charge-densities in the brain are involved in regulating ion mobility, the volume fraction of extracellular space and the viscosity of matrix components.
Electrostatic enhancement of light emitted by semiconductor quantum well
This article proposes an electrostatic mechanism for enhancement of light radiated from semiconductor emitter which is comparable in effect to plasmonic mechanism.
Triply Differential Measurements for Positron Impact Ionization of Argon
This article reports triply differential cross sections for positron impact ionization of argon.
Artificially Structured Boundary as a Charged Particle Beam Deflector Shield
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings studies the possibility of using a planar artificially structured boundary as a charged particle beam deflector shield via classical trajectory Monte Carlo simulation.
Ion Beam Analysis of Microcrystalline Quartz Artifacts from the Reed Mound Site, Delaware County, Oklahoma
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings evaluates the potential of particle induced X-ray emission spectrometry as a tool for future Ozarks chert provenance studies based on its ability to facilitate discrimination of Ozarks chert materials from different geological formations and identification of discrete groups of artifacts from the same geological formation.
Magnetic Control of a Charge-Neutralized Ion Beam
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings presents a scheme for controlling charge-neutralized beams using a distortion of a magnetic guide field via the presence of two current carrying wires.
Particle Transport along Magnetic Null Lines as Sputter or Antihydrogen Source
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings investigates particle transport along null magnetic lines using classical trajectory Monte Carlo simulations, described as a traveling wave and through diffusion equations.
Radial Expansion of a Low Energy Positron Beam Passing Through a Cold Electron Plasma within a Uniform Magnetic Field
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings studies the radial expansion of a low energy positron beam passing through a cold electron plasma within a uniform magnetic field using a classical trajectory Monte Carlo simulation.
From neural and social cooperation to the global emergence of cognition
This article elaborates on a discussion of the emergence of intelligence via criticality as a consequence of locality breakdown, by using criticality for the foundation of a novel generation of game theory making the local interaction between players yield long-range effects.
Multiple Aperture-Based Antihydrogen Parallel Plate Gravity Experiment
This paper from the 23rd Conference on Application of Accelerators in Research and Industry conference proceedings describes an experiment that could be carried out at the CERN Antiproton Decelerator facility to determine the direction of acceleration of antihydrogen in the earth's gravitational field.
Weak Emission-Line Quasars in the Context of a Modified Baldwin Effect
This article tests whether the modified Baldwin effect remains strong across the wides possible of ranges of redshift and luminosity.
Reformulation of DFT + U as a Pseudohybrid Hubbard Density Funcitonal for Accelerated Materials Discovery
This article introduces ACBN0, a pseudohybrid Hubbard density functional that yields an improved prediction of the band structure of insulators such as transition-metal oxides, with only a negligible increase in computational cost.
Excitation of the n=2 levels of hydrogen by proton impact for hydrogen beam diagnostics
This article describes the atomic orbital close coupling results for excitation to the n=2 states to document the computational procedure adopted and to convey new insight into the behavior of these fundamental cross sections.
State-selective charge transfer cross sections for light ion impact of atomic hydrogen
This article compares results of approaches applicable in a lower impact energy regime by benchmarking them using key experimental data in order to make knowledge of these cross sections available across the range parameters needed by fusion plasma diagnostics.
Complexity matching in neural networks
This article adopts the complexity matching principle that the maximal efficiency of communication between two complex networks is realized when both of them are at criticality, and uses this principle to establish the value of the neuronal interaction strength at which criticality occurs.
Fractional calculus ties the microscopic and macroscopic scales of complex network dynamics
Paper discussing fractional calculus tying the microscopic and macroscopic scales of complex network dynamics.
Classical trajectory Monte Carlo simulations of particle confinement using dual levitated coils
This article investigates the particle confinement properties of plasma confinement systems that employ dual levitated magnetic coils using classical trajectory Monte Carlo simulations.
Resonant excitation of coupled Rayleigh waves in a short and narrow fluid channel clad between two identical metal plates
This article studies the transmission of ultrasonic waves through a slit between two water immersed brass plates for sub-wavelength plate thicknesses and slit apertures.
Methods and Devices for Electromagnetically Tuning Acoustic Media
Patent relating to methods and devices for electromagnetically tuning acoustic media.
Star Formation and Black Hole Growth at z ≃4.8
This article reports Herschel/SPIRE, Spitzer and Wide-field Infrared Survey Explorer obervations of 44 z ≃ 4.8 optically selected active galactic nuclei.
Investigation of Structural and Optical Properties of Ag Nanoclusters Formed in Si(100) After Multiple Implantations of Low Energies Ag Ions and Post-Thermal Annealing at a Temperature Below the Ag-Si Eutectic Point
This paper investigates the synthesis of Ag NCs in Si(100) substrate by implanting multiple energies and fluences of Ag ions and subsequent thermal annealing.
Effect of noise and detector sensitivity on a dynamical process: Inverse power law and Mittag-Leffler interevent time survival probabilities
Article on the effect of noise and detector sensitivity on a dynamical process and the inverse power law and Mittag-Leffler interevent time survival probabilities.
On The Performance of Quasar Reverberation Mapping in the Era of Time-Domain Photometric Surveys
This article quantitatively assesses, by means of comprehensive numerical simulations, the ability of broadband photometric surveys to recover the broad emission line region size in quasars under various observing conditions and for a wide range of object properties.
Exploratory X-Ray Monitoring of Luminous Radio-Quiet Quasars at High Redshift: Initial Results
This article presents initial results from an exploratory X-ray monitoring project of two groups of comparably luminous radio-quiet quasars.
Renewal and memory origin of anomalous diffusion: A discussion of their joint action
Article on the renewal and memory origin of anomalous diffusion and a discussion of their joint action.
Locating Star-Forming Regions in Quasar Host Galaxies
This article presents a study of the morphology and intensity of star formation in the host galaxies of eight Palomar-Green quasars using observations with the Hubble Space Telescope.
Aperture-based antihydrogen gravity experiment: Parallel plate geometry
This article presents an analytical model and a Monte Carlo simulation of an experiment that could be used to determine the direction of the acceleration of antihydrogen due to gravity.
Accelerator-based neutron source using a cold deuterium target with degenerate electrons
This article discusses recent reports of potential cold deuterium targets.
Collective behavior and evolutionary games - An introduction
This article is an introduction to a special issue in Chaos, Solitons & Fractals with the goal of attracting submissions that identify unifying principles that describe the essential aspects of collective behavior, and which thus allow for a better interpretation and foster the understanding of the complexity arising in such systems.
A Statistical Relation Between the X-ray Spectral Index and Eddington Ratio of Active Galactic Nuclei in Deep Surveys
This article presents an investigation into how well the properties of the accretion flow on to a supermassive black hole may be coupled to those of the overlying hot corona.
The Mammary Gland Carcinogens: The Role of Metal Compounds and Organic Solvents
Article on mammary gland carcinogens and the role of metal compounds and organic solvents.
Intrinsic electrical transport properties of monolayer silicene and MoS₂ from first principles
Article on intrinsic electrical transport properties of monolayer silicene and MoS₂ from first principles.
Statistical analysis of air and sea temperature anomalies
Paper discussing the statistical analysis of air and sea temperature anomalies.
Role of committed minorities in times of crisis
Article discussing the role of committed minorities in time of crisis.
Comparative Trace Elemental Analysis in Cancerous and Noncancerous Human Tissues Using PIXE
Article discussing comparative trace elemental analysis in cancerous and noncancerous human tissues using PIXE.