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Non-Poisson Dichotomous Noise: Higher-Order Correlation Functions and Aging (open access)

Non-Poisson Dichotomous Noise: Higher-Order Correlation Functions and Aging

This article discusses non-Poisson dichotomous noise and higher-order correlation functions and aging.
Date: October 26, 2004
Creator: Allegrini, Paolo; Grigolini, Paolo; Palatella, Luigi & West, Bruce J.
System: The UNT Digital Library
Multiwavelength Observations of Radio-Quiet Quasars with Weak Emission Lines (open access)

Multiwavelength Observations of Radio-Quiet Quasars with Weak Emission Lines

This article presents radio and X-ray observations, as well as optical light curves, for a subset of 26 BL Lac candidates from the Sloan Digital Sky Survey lacking strong radio emission and with z < 2.2.
Date: July 26, 2010
Creator: Plotkin, Richard M.; Anderson, Scott F.; Brandt, William Nielsen; Diamond-Stanic, Aleksandar M.; Fan, Xiaohui; MacLeod, Chelsea L. et al.
System: The UNT Digital Library
Dynamic Approach to the Thermodynamics of Superdiffusion (open access)

Dynamic Approach to the Thermodynamics of Superdiffusion

This article discusses dynamic approach to the thermodynamics of superdiffusion.
Date: April 26, 1999
Creator: Buiatti, Marco, 1972-; Grigolini, Paolo & Montagnini, Anna
System: The UNT Digital Library
High-redshift AGN in the Chandra Deep Fields: the obscured fraction and space density of the sub-L∗ population (open access)

High-redshift AGN in the Chandra Deep Fields: the obscured fraction and space density of the sub-L∗ population

This article investigates the population of high-redshift (3≤z<6) active galactic nuclei (AGN) selected in the two deepest X-ray surveys, the 7 Ms Chandra Deep Field-South and 2 Ms Chandra Deep Field-North.
Date: September 26, 2017
Creator: Vito, F.; Brandt, William Nielsen; Yang, G.; Gilli, Roberto; Luo, Bin; Vignali, Christian et al.
System: The UNT Digital Library
Mechanism for etching of exfoliated graphene on substrates by low-energy electron irradiation from helium plasma electron sources (open access)

Mechanism for etching of exfoliated graphene on substrates by low-energy electron irradiation from helium plasma electron sources

Article investigating the mechanism for etching of exfoliated graphene multilayers on SiO₂ by low-energy (50 eV) electron irradiation using He plasma systems for electron sources.
Date: February 26, 2019
Creator: Femi-Oyetoro, John D.; Yao, Kevin; Tang, Runtian; Ecton, Philip A.; Roccapriore, Kevin M.; Mhlanga, Ashley et al.
System: The UNT Digital Library
First-principles study of diffusion and interactions of hydrogen with silicon, phosphorus, and sulfur impurities in nickel (open access)

First-principles study of diffusion and interactions of hydrogen with silicon, phosphorus, and sulfur impurities in nickel

Article systematically studying the effect of Si, P, and S impurities on the diffusion and binding of an H atom in a face-centered-cubic (FCC) Ni lattice using density functional theory (DFT),
Date: March 26, 2019
Creator: Paranjape, Priyanvada; Gopal, Priya & Srinivasan, S. G.
System: The UNT Digital Library
Ultrasound Imaging by Thermally Tunable Phononic Crystal Lens (open access)

Ultrasound Imaging by Thermally Tunable Phononic Crystal Lens

This article demonstrates the detections and mappings of a solid object using a thermally tunable solid-state phononic crystal lens at low frequency for potential use in future long-distance detection.
Date: July 26, 2021
Creator: Jin, Yuqi & Neogi, Arup
System: The UNT Digital Library
RBS Study of a Dilute Alloy of Ga(99.8% at.):Bi(0.2% at.) (open access)

RBS Study of a Dilute Alloy of Ga(99.8% at.):Bi(0.2% at.)

This paper from the 2016 Conference on Application of Accelerators in Research and Industry conference proceedings describes an attempt to observe an atomic bismuth monolayer with Rutherford backscattering to demonstrate the surface concentration of the bismuth over the alloy in the bulk.
Date: October 26, 2017
Creator: Peterson, Randolph S.; Augustine, Carlyn N.; Beriont, Griffin G.; Farr, Aidan T.; Jenkins, William T. J.; Morris, Taylor A. et al.
System: The UNT Digital Library
An X-ray fading, UV brightening QSO at z ≈ 6 (open access)

An X-ray fading, UV brightening QSO at z ≈ 6

Article presents quasi-simultaneous X-ray and rest-frame UV observations of quasi-stellar object (QSO) z = 6.025 QSO J1641+3755.
Date: July 26, 2022
Creator: Vito, F.; Mignoli, M.; Gilli, R.; Brandt, William Nielsen; Shemmer, Ohad; Bauer, Franz E. et al.
System: The UNT Digital Library
Self-Organized Temporal Criticality: Bottom-Up Resilience versus Top-Down Vulnerability (open access)

Self-Organized Temporal Criticality: Bottom-Up Resilience versus Top-Down Vulnerability

This article proposes a social model of spontaneous self-organization generating criticality and resilience, called Self-Organized Temporal Criticality (SOTC).
Date: March 26, 2018
Creator: Mahmoodi, Korosh; West, Bruce J. & Grigolini, Paolo
System: The UNT Digital Library
Two-Layer High-Throughput: Effective Mass Calculations Including Warping (open access)

Two-Layer High-Throughput: Effective Mass Calculations Including Warping

Article performing and analyzing two-layer high-throughput calculations.
Date: February 26, 2022
Creator: Supka, Andrew; Mecholsky, Nicholas A.; Buongiorno Nardelli, Marco; Curtarolo, Stefano & Fornari, Marco
System: The UNT Digital Library
From self-organized to extended criticality (open access)

From self-organized to extended criticality

Article discussing the criticality of transition processes in neurophysiology.
Date: April 26, 2012
Creator: Lovecchio, Elisa; Allegrini, Paolo; Geneston, Elvis L.; West, Bruce J. & Grigolini, Paolo
System: The UNT Digital Library
Using a Novel Approach to Estimate Packing Density and Related Electrical Resistance in Multiwall Carbon Nanotube Networks (open access)

Using a Novel Approach to Estimate Packing Density and Related Electrical Resistance in Multiwall Carbon Nanotube Networks

Article using contrast image processing to estimate the concentration of multi-wall carbon nanotubes (MWCNT) in a given network.
Date: September 25, 2020
Creator: Philipose, Usha; Jiang, Yan; Farmer, Gavin; Howard, Chris; Harcrow, Michael; Littler, Chris et al.
System: The UNT Digital Library
Mega et al. Reply (open access)

Mega et al. Reply

This article is a reply to a comment by A. Helmstetter and D. Sornette about the article 'Power-Law Time Distribution of Large Earthquakes' from 2003.
Date: March 26, 2004
Creator: Mega, Mirko S.; Allegrini, Paolo; Grigolini, Paolo; Latora, Vito; Palatella, Luigi; Rapisarda, Andrea et al.
System: The UNT Digital Library
Antihydrogen Beam Formation by Transporting an Antiproton Beam Through an Electron-Positron Plasma That Produces Magnetobound Positronium (open access)

Antihydrogen Beam Formation by Transporting an Antiproton Beam Through an Electron-Positron Plasma That Produces Magnetobound Positronium

This paper from the 2016 Conference on Application of Accelerators in Research and Industry conference proceedings describes the use of a classical trajectory simulation to study the formation of an antihydrogen beam by transporting an antiproton beam through an electron-positron plasma that produces magnetobound positronium.
Date: October 26, 2017
Creator: Hermosillo, M.; Thornton, E. A. & Ordonez, Carlos A.
System: The UNT Digital Library
Controlling Topological States in Topological/Normal Insulator Heterostructures (open access)

Controlling Topological States in Topological/Normal Insulator Heterostructures

This article contains a systematic investigation of the nature of the nontrivial interface states in topological/normal insulator (TI/NI) heterostructures.
Date: November 26, 2018
Creator: Costa, Marcio; Costa, Antônio T.; Freitas, Walter A.; Schmidt, Tome M.; Buongiorno Nardelli, Marco & Fazzio, Adalberto
System: The UNT Digital Library
Controlled terahertz frequency response and transparency of Josephson chains and superconducting multilayers (open access)

Controlled terahertz frequency response and transparency of Josephson chains and superconducting multilayers

This article discusses controlled terahertz frequency response and transparency of Josephson chains and superconducting multilayers.
Date: January 26, 2007
Creator: Yampol'skii, V. A.; Savel'ev, Sergey; Usatenko, O. V.; Mel'nik, S. S.; Kusmartsev, F. V.; Krokhin, Arkadii A. et al.
System: The UNT Digital Library
Solar Turbulence in Earth's Global and Regional Temperature Anomalies (open access)

Solar Turbulence in Earth's Global and Regional Temperature Anomalies

This article presents a study of the influence of solar activity on the earth's temperature. In particular, the authors focus on the repercussion of the fluctuations of the solar irradiance on the temperature of the Northern and Southern hemispheres as well as on land and ocean regions.
Date: February 26, 2004
Creator: Scafetta, Nicola; Grigolini, Paolo; Imholt, Timothy; Roberts, James A. & West, Bruce J.
System: The UNT Digital Library
Continuum models of the electrochemical diffuse layer in electronic-structure calculations (open access)

Continuum models of the electrochemical diffuse layer in electronic-structure calculations

This article presents a critical comparison of continuum diffuse-layer models that can be coupled to an atomistic first-principles description of the charged metal surface in order to account for the electrolyte screening at electrified interfaces.
Date: August 31, 2018
Creator: Nattino, Francesco; Truscott, Matthew; Marzari, Nicola & Andreussi, Oliviero
System: The UNT Digital Library
Edge-plasmon assisted electro-optical modulator (open access)

Edge-plasmon assisted electro-optical modulator

Article demonstrates an efficient electro-optical modulation by using an edge-plasmon mode specific for the hybrid plasmonic waveguide.
Date: November 26, 2019
Creator: Drachev, Vladimir P.; Pshenichnyuk, Ivan A.; Nazarikov, Gleb I.; Kosolobov, Sergey S. & Maimistov, Andrei I.
System: The UNT Digital Library