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Displaying 2951 - 2975 of 9852

Three-Dimensional Shape Analysis of Coarse Aggregates: Methodology and Preliminary Results on Several Different Coarse Aggregates

October 12, 2021
Author(s)
S T. Erdogan, P N. Quiroga, D Fowler, H A. Saleh, Richard A. Livingston, Edward Garboczi, Peter M. Ketcham, John G. Hagedorn, Steven G. Satterfield
The shape of aggregates used in concrete is an important parameter that helps determine many concrete properties. The mathematical technique of spherical harmonic analysis was recently demonstrated to be able to effectively analyze three dimensional

Primary quantum thermometry of mm-wave blackbody radiation via induced state transfer in Rydberg states of cold atoms

January 23, 2025
Author(s)
Noah Schlossberger, Andrew Rotunno, Stephen Eckel, Eric Norrgard, Dixith Manchaiah, Nikunjkumar Prajapati, Alexandra Artusio-Glimpse, Samuel Berweger, Matthew Simons, Dangka Shylla, William Watterson, Charles Patrick, Adil Meraki, Rajavardhan Talashila, Amanda Younes, David La Mantia, Christopher Holloway
… field ionization readout of Rydberg states with principal quantum number �∼30 in 85 Rb and substantiate our … Primary quantum thermometry of mm-wave blackbody radiation via …

Phases of a 2D Bose Gas in an Optical Lattice

September 9, 2010
Author(s)
Karina K. Jimenez Garcia, Yu-Ju Lin, James V. Porto, Ian B. Spielman
… depth. Our results are in excellent agreement with the Quantum Monte Carlo universal state diagram suitable for the … model, Mott insulator, optical lattices, phase diagram, quantum gases …

Parallel MPI image reconstructions in GPU using CUDA

March 19, 2023
Author(s)
Klaus Natorf Quelhas, Mark-Alexander Henn, Ricardo Farias, Weston L. Tew, Solomon I. Woods
… Imaging, MPI, Graphics Processing Unit, GPU, Parallel computing, CUDA, Image reconstruction …

Remote Record Access: Requirements, Implementation and Analysis

December 4, 1980
Author(s)
H M. Wood, Stephen R. Kimbleton
A key support component for network-wide data sharing is the ability of a process to access remotely stored data to be useful, a means of overcoming differences in data representation and format is necessary. Such a capability is termed remote record

Observation of the Radiative Decay Mode of the Free Neutron

December 29, 2006
Author(s)
Jeffrey S. Nico, Maynard S. Dewey, Thomas R. Gentile, Hans P. Mumm, Alan K. Thompson, B Fisher, I Kremsky, Fred E. Wietfeldt, T E. Chupp, R Cooper, E Beise, K G. Kiriluk, J Byrne, Kevin J. Coakley
… The theory of quantum electrodynamics predicts that beta decay of the … beta decay, cold neutron, neutron decay, quantum electrodynamics, radiative decay, weak interactions …

Viewing Technologies for CAD Models

August 1, 2003
Author(s)
Michelle P. Steves, Simon P. Frechette
This report describes Computer-Aided Design (CAD) model-viewing technologies1 used to support CAD-model review and analysis. CAD model viewers are tools that allow engineers and other users to view CAD models from distributed locations, often using

Superfludity and phase transitions in a resonant Bose gas

October 1, 2008
Author(s)
Leo Radzihovsky, Peter B. Weichman, Jae Park
… a Feshbach resonance, mapping out its phase diagram, and computing its thermodynamics and excitation spectra. It is … is shown that across a Feshbach resonance it undergoes a quantum Ising transition to the atomic superfluid, where both …

A Brighter Future From Gallium Nitride Nanowires

October 1, 2006
Author(s)
Kristine A. Bertness, Norman Sanford, Albert Davydov
… might nitride semiconductor nanowires change the future of computing? In the spirit of this special issue on how science … include high-power transistors for radar arrays, quantum mechanical devices, and nanoscale mechanical …

Variant Design for Mechanical Artifacts - A State of the Art Survey

January 1, 1993
Author(s)
James E. Fowler
Variant design refers to the techniques of adapting existing design specifications to satisfy new design goals and constraints. A survey of approaches supporting variant design is presented. Capabilities used in current commercial computer aided design

Standard Security Label for Information Transfer

September 6, 1994
Author(s)
National Institute of Standards and Technology (NIST), N Nazario
[Withdrawn October 19, 2015] Information Transfer security labels convey information used by protocol entities to determine how to handle data communicated between open systems. Information on a security label can be used to control access, specify

Termination Switching of Antiferromagnetic Proximity Effect in Topological Insulator

August 12, 2020
Author(s)
Chao-Yao Yang, Lei Pan, Alexander Grutter, Haiying Wang, Xiaoyu Che, Qing L. He, Yingying Wu, Dustin A. Gilbert, Padraic Shafer, Elke Arenholz, Hao Wu, Gen Yin, Peng Deng, Julie Borchers, William D. Ratcliff, Kang L. Wang
… the Dirac-cone surface state, with the goal of realizing quantum anomalous Hall transport without magnetic … Quantum materials, topological insulator, proximity effect, …

A Classical Kinetic Theory Approach to Lattice Boltzmann Simulation

October 1, 2001
Author(s)
Nicos Martys
An approach to lattice Boltzmann simulation is described, which makes a direct connection between classical kinetic theory and contemporary lattice Boltzmann modeling methods. This approach can lead to greater accuracy, improved numerical stability and
Displaying 2951 - 2975 of 9852
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