172 Matching Results

Results open in a new window/tab.

High-Redshift SDSS Quasars With Weak Emission Lines (open access)

High-Redshift SDSS Quasars With Weak Emission Lines

This article identifies a sample of 74 high-redshift quasars with weak emission lines from the Fifth Data Release of the Sloan Digital Sky Survey and present infrared, optical, and radio observations of a subsample of four objects at z > 4.
Date: April 16, 2009
Creator: Diamond-Stanic, Aleksandar M.; Fan, Xiaohui; Brandt, William Nielsen; Shemmer, Ohad; Strauss, Michael A.; Anderson, Scott F. et al.
Object Type: Article
System: The UNT Digital Library
FAUST observations of ultraviolet sources in the directions of NGC 4038-39 and 6752 (open access)

FAUST observations of ultraviolet sources in the directions of NGC 4038-39 and 6752

This article discusses an analysis of ultraviolet observations with the FAUST shuttle-borne telescope toward the Antennae and NGC 6752 celestial regions resulting in the detection of 46 and 221 candidate sources respectively, for a signal-to-noise ratio of 8.
Date: December 29, 2000
Creator: Daniels, Julian; Brosch, Noah; Almoznino, Elchanan; Shemmer, Ohad; Bowyer, Stuart & Lampton, Michael
Object Type: Article
System: The UNT Digital Library
Binary Microlensing Events from the MACHO Project (open access)

Binary Microlensing Events from the MACHO Project

This article presents the light curves of 21 gravitational microlensing events from the first six years of the MACHO Project gravitational microlensing survey that are likely examples of lensing by binary systems.
Date: March 27, 2000
Creator: Alcock, C.; Allsman, R. A.; Alves, D.; Axelrod, T. S.; Baines, D.; Becker, A. C. et al.
Object Type: Article
System: The UNT Digital Library
Work Function Changes Induced by Charged Adsorbates: Origin of the Polarity Asymmetry (open access)

Work Function Changes Induced by Charged Adsorbates: Origin of the Polarity Asymmetry

Article discussing work function changes induced by charged adsorbates and the origin of the polarity asymmetry.
Date: March 28, 2008
Creator: Bagus, Paul S.; Käfer, Daniel; Witte, Gregor & Wöll, Christof
Object Type: Article
System: The UNT Digital Library
Fluctuation-Dissipation Process Without a Time Scale (open access)

Fluctuation-Dissipation Process Without a Time Scale

Article discussing the fluctuation-dissipation process without a time scale.
Date: May 2000
Creator: Annunziato, Mario; Grigolini, Paolo & Riccardi, Juri
Object Type: Article
System: The UNT Digital Library
Towards the thermodynamics of localization processes (open access)

Towards the thermodynamics of localization processes

In this article, the authors study the entropy time evolution of a quantum mechanical model, which is frequently used as a prototype for Anderson's localization.
Date: September 2000
Creator: Grigolini, Paolo; Pala, Marco G.; Palatella, Luigi & Roncaglia, Roberto
Object Type: Article
System: The UNT Digital Library
Canonical and noncanonical equilibrium distribution (open access)

Canonical and noncanonical equilibrium distribution

Article discussing research on canonical and noncanonical equilibrium distribution.
Date: 2001
Creator: Annunziato, Mario; Grigolini, Paolo & West, Bruce J.
Object Type: Article
System: The UNT Digital Library
Trajectory versus probability density entropy (open access)

Trajectory versus probability density entropy

In this article, the authors show that the widely accepted conviction that a connection can be established between the probability density entropy and the Kolmogorov-Sinai (KS) entropy is questionable.
Date: 2001
Creator: Bologna, Mauro; Grigolini, Paolo; Karagiorgis, Markos & Rosa, Angelo
Object Type: Article
System: The UNT Digital Library
Common Threads in Research Across Disciplines: A Reflection (open access)

Common Threads in Research Across Disciplines: A Reflection

Keynote address for the 2004 University Scholars Day delivered by Dr. Samuel Matteson. This keynote speaker discusses common threads of thought and practice that run through what is called "research."
Date: April 15, 2004
Creator: Matteson, Samuel E.
Object Type: Text
System: The UNT Digital Library
Substrate-Mediated Intermolecular Hybridization in Binary Phthalocyanine Superstructures (open access)

Substrate-Mediated Intermolecular Hybridization in Binary Phthalocyanine Superstructures

Article on substrate-mediated intermolecular hybridization in binary phthalocyanine superstructures.
Date: December 29, 2009
Creator: Calzolari, Arrigo; Jin, Wei; Reutt-Robey, Janice E. & Buongiorno Nardelli, Marco
Object Type: Article
System: The UNT Digital Library
From power law intermittence to macroscopic coherent regime (open access)

From power law intermittence to macroscopic coherent regime

Article addressing the problem of establishing which is the proper form of quantum master equation generating a survival probability identical to that corresponding to the nonergodic sequence of "light on" and "light off" fluorescence fluctuations in blinking quantum dots.
Date: June 25, 2009
Creator: Bologna, Mauro; Budini, Adrián A.; Giraldi, Filippo & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
Fluorescence intermittency in blinking quantum dots: renewal or slow modulation? (open access)

Fluorescence intermittency in blinking quantum dots: renewal or slow modulation?

Article discussing fluorescence intermittency in blinking quantum dots.
Date: February 2, 2008
Creator: Bianco, Simone; Grigolini, Paolo & Paradisi, Paolo
Object Type: Article
System: The UNT Digital Library
Power spectra for both interrupted and perennial aging processes (open access)

Power spectra for both interrupted and perennial aging processes

Article on power spectra for both interrupted and perennial aging processes.
Date: November 10, 2008
Creator: Lukovic, Mirko & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
The Dynamics of EEG Entropy (open access)

The Dynamics of EEG Entropy

This article discusses the dynamics of EEG entropy.
Date: March 5, 2009
Creator: Ignaccolo, Massimiliano; Latka, Miroslaw; Jernajczyk, Wojciech; Grigolini, Paolo & West, Bruce J.
Object Type: Article
System: The UNT Digital Library
Strain fields around high-energy ion tracks in α-quartz (open access)

Strain fields around high-energy ion tracks in α-quartz

This article discusses strain fields around high-energy ion tracks in α-quartz.
Date: September 21, 2006
Creator: Follstaedt, David M.; Norman, A. K.; Doyle, B. L. & McDaniel, Floyd Del. (Floyd Delbert), 1942-
Object Type: Article
System: The UNT Digital Library
Detection of invisible and crucial events: from seismic fluctuations to the war against terrorism (open access)

Detection of invisible and crucial events: from seismic fluctuations to the war against terrorism

Paper discussing the detection of invisible and crucial events.
Date: October 28, 2003
Creator: Allegrini, Paolo; Fronzoni, Leone; Grigolini, Paolo; Latora, Vito; Mega, Mirko S.; Palatella, Luigi et al.
Object Type: Paper
System: The UNT Digital Library
Hexagon versus Trimer Formation in In Nanowires on Si(111): Energetics and Quantum Conductance (open access)

Hexagon versus Trimer Formation in In Nanowires on Si(111): Energetics and Quantum Conductance

Article on hexagon versus trimer formation in In nanowires on Si(111).
Date: January 12, 2007
Creator: Stekolnikov, A. A.; Seino, Kaori; Bechstedt, Friedhelm; Calzolari, Arrigo & Buongiorno Nardelli, Marco
Object Type: Article
System: The UNT Digital Library
Diffusion Entropy and Waiting Time Statistics of Hard-X-Ray Solar Flares (open access)

Diffusion Entropy and Waiting Time Statistics of Hard-X-Ray Solar Flares

Article on diffusion entropy and waiting time statistics of hard-x-ray solar flares.
Date: March 25, 2002
Creator: Grigolini, Paolo; Leddon, Deborah & Scafetta, Nicola
Object Type: Article
System: The UNT Digital Library
Massive Stars Exploding in a He-Rich Circumstellar Medium -- I. Type Ibn (SN 2006jc-Like) Events (open access)

Massive Stars Exploding in a He-Rich Circumstellar Medium -- I. Type Ibn (SN 2006jc-Like) Events

This article presents new spectroscopic and photometric data of the Type Ibn supernovae 2006jc, 2000er and 2002ao.
Date: June 15, 2008
Creator: Pastorello, Andrea; Mattila, Seppo; Zampieri, Luca; Della Valle, Massimo; Smartt, Stephen J.; Valenti, Stefano et al.
Object Type: Article
System: The UNT Digital Library
Supernova 2002ap: the first month (open access)

Supernova 2002ap: the first month

This article reports the results of the first month of an intensive photometric and spectroscopic monitoring campaign of Supernova 2002ap.
Date: March 27, 2002
Creator: Gal-Yam, Avishay; Ofek, Efran & Shemmer, Ohad
Object Type: Article
System: The UNT Digital Library
Fullerene Coalescence in Nanopeapods: A Path to Novel Tubular Carbon (open access)

Fullerene Coalescence in Nanopeapods: A Path to Novel Tubular Carbon

Article on fullerene coalescence in nanopeapods, which is responsible for forming stable zeppelinlike carbon molecules.
Date: July 1, 2003
Creator: Hernández, E.; Meunier, Vincent; Smith, B. W.; Rurali, R.; Terrones, Humberto; Buongiorno Nardelli, Marco et al.
Object Type: Article
System: The UNT Digital Library
Spontaneous coordinated activity in cultured networks: analysis of multiple ignition sites, primary circuits, and burst phase delay distributions (open access)

Spontaneous coordinated activity in cultured networks: analysis of multiple ignition sites, primary circuits, and burst phase delay distributions

This article discusses an analysis of multiple ignition sites, primary circuits, and burst phase delay distributions.
Date: December 8, 2007
Creator: Ham, Michael I.; Bettencourt, Luis; McDaniel, Floyd Del. (Floyd Delbert), 1942- & Gross, Guenter W.
Object Type: Article
System: The UNT Digital Library
Ion Beam Analyses of Carbon Nanotubes (open access)

Ion Beam Analyses of Carbon Nanotubes

This article discusses ion beam analyses of carbon nanotubes.
Date: January 7, 2005
Creator: Naab, Fabian U.; Holland, Orin W.; Duggan, Jerome L. & McDaniel, Floyd Del. (Floyd Delbert), 1942-
Object Type: Article
System: The UNT Digital Library
Dust Covering Factor, Silicate Emission, and Star Formation in Luminous QSOs (open access)

Dust Covering Factor, Silicate Emission, and Star Formation in Luminous QSOs

This article presents Spitzer IRS low resolution, mid-IR spectra of a sample of 25 high luminosity QSOs at 2 < z < 3.5.
Date: April 12, 2007
Creator: Maiolino, Roberto; Shemmer, Ohad; Imanishi, Masatoshi; Netzer, Hagai; Oliva, Ernesto; Lutz, Dieter et al.
Object Type: Article
System: The UNT Digital Library