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Equivalence of dipole correction and Coulomb cutoff techniques in supercell calculations
Article on the equivalence of dipole correction and Coulomb cutoff techniques in supercell calculations. In this work, the authors compare the dipole correction and Coulomb cutoff methods under the same conditions in the framework of plane-wave based density-functional theory.
Date:
June 3, 2008
Creator:
Yu, Liping; Ranjan, Vivek; Lu, W.; Bernholc, Jerry & Buongiorno Nardelli, Marco
Object Type:
Article
System:
The UNT Digital Library
Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. III. Optical observations and the optical-UV-X-ray connection
This article presents the results of a 2 year long optical monitoring program of the narrow-line Seyfert 1 galaxy Ark 564.
Date:
July 3, 2001
Creator:
Shemmer, Ohad; Romano, P.; Bertram, Ray; Brinkman, Jon; Collier, S.; Crowley, K.A. et al.
Object Type:
Article
System:
The UNT Digital Library
The Hard X-Ray Spectrum as a Probe for Black Hole Growth in Radio-Quiet Active Galactic Nuclei
This article studies the hard X-ray spectral properties of 10 highly luminous radio-quiet active galactic nuclei at z = 1.3-3.2, including new XMM-Newton observations of four of these sources.
Date:
April 3, 2008
Creator:
Shemmer, Ohad; Brandt, William Nielsen; Netzer, Hagai; Maiolino, Roberto & Kaspi, Shai
Object Type:
Article
System:
The UNT Digital Library
Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. II. Ultraviolet continuum and emission-line variability
This article presents the results of an intensive 2 month campaign of approximately daily spectrophotometric monitoring of the narrow-line Seyfert 1 galaxy Ark 564 with the Hubble Space Telescope.
Date:
July 3, 2001
Creator:
Collier, S.; Crenshaw, D.M.; Peterson, Bradley M.; Brandt, William Nielsen; Clavel, J.; Edelson, R. et al.
Object Type:
Article
System:
The UNT Digital Library
The Look of Sound: Acoustic Cancellation in Architecture
This paper discusses research on acoustic cancellation in architecture.
Date:
April 3, 2008
Creator:
McCord, Cameron & Matteson, Samuel E.
Object Type:
Paper
System:
The UNT Digital Library
The Look of Sound: Acoustic Cancellation in Architecture
Presentation for the 2008 University Scholars Day at the University of North Texas discussing research on the look of sound and acoustic cancellation in architecture.
Date:
April 3, 2008
Creator:
McCord, Cameron & Matteson, Samuel E.
Object Type:
Presentation
System:
The UNT Digital Library
Bose-Einstein Condensates and their Possible Applications in Quantum Computing and Optical Processing
Poster presentation for the 2008 University Scholars Day at the University of North Texas. This poster discusses research on Bose-Einstein condensates (BECs) and their possible applications in quantum computing and optical processing.
Date:
April 3, 2008
Creator:
Hodgson, Shane & Eve, Susan Brown
Object Type:
Poster
System:
The UNT Digital Library