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Displaying 1551 - 1575 of 9850

Neutron Scattering Study of Magnetic Anisotropy in the Tetragonal Antiferromagnet Bi 2 CuO 4

April 26, 2021
Author(s)
Bo Yuan, Nicholas Butch, Guangyong Xu, Barry Winn, J. P. Clancy, Young-June Kim
… study of low energy magnetic excitations in S =1/2 quantum magnet Bi 2 CuO 4 with a tetragonal lattice … cuprates, the observed anisotropy is attributed to a pure quantum effect. Our calculation of magnon quantum zero point fluctuation shows this quantitatively. The …

Dystopia

November 1, 2010
Author(s)
Isabel M. Beichl
… This is an editorial for Computing in Science & Engineering on the subject of … Computing in Science & Engineering …

NMRbox: A Resource for Biomolecular NMR Computation

May 25, 2017
Author(s)
Mark W. Maciejewski, Adam D. Schuyler, Michael R. Gryk, Ion I. Moraru, Pedro R. Romero, Eldon L. Ulrich, Hamid R. Eghbalnia, Miron Livny, Frank Delaglio, Jeffrey C. Hoch
… Advances in computation have been enabling for many recent advances in … developed NMRbox, a shared resource for NMR software and computation. NMRbox employs virtualization to provide a … NMRbox: A Resource for Biomolecular NMR Computation …

Coordinated Neutron and X-ray Computed Tomography of Meteorites: Detection and Distribution of Hydrogen-Bearing Materials

August 29, 2022
Author(s)
Allan Treiman, Jacob LaManna, Isabella DeClue, Daniel S. Hussey, Lawrence Anovitz
… planets. Here, we show that coordinated neutron- and X-ray computed tomography, NXCT, can reveal the presence and … neutron imaging, X-ray imaging, computed tomography, multimodal imaging, data fusion, … Coordinated Neutron and X-ray Computed Tomography of Meteorites: Detection and Distribution …

A DATA FLOW IMPLEMENTATION OF AGENT-BASED DISTRIBUTED GRAPH SEARCH

November 4, 2009
Author(s)
Imad Hamchi, Mathieu Hoarau, Antoine Fillinger, Nicolas Crouzier, Lukas Diduch, Martial Michel, Vincent M. Stanford
… IASTED International Conference on Parallel and Distributed Computing Systems … International Conference on Parallel and Distributed Computing Systems …

An Overview of Advances in Signal Processing Techniques for Classical and Quantum Wideband Synthetic Apertures

March 28, 2023
Author(s)
Peter Vouras, Kumar Vijay Mishra, Aly Artusio-Glimpse, Samuel Pinilla, Angeliki Xenaki, David W. Griffith, Karen Egiazarian
… from the classical SA applications, we also discuss the quantum electric-field-sensing probes in SAs that are … Ptychography, quantum information engineering, radar, channel sounding, … Advances in Signal Processing Techniques for Classical and Quantum Wideband Synthetic Apertures …

Quantum-limited optical time transfer for future geosynchronous links

June 21, 2023
Author(s)
Emily Caldwell, Jean-Daniel Deschenes, Jennifer Ellis, William C. Swann, Benjamin Stuhl, Hugo Bergeron, Nathan R. Newbury, Laura Sinclair
… Thus far, only optical clocks have pushed towards quantum-limited performance. By contrast, optical time transfer has not operated at the analogous quantum limit set by the number of received photons. Here we demonstrate time transfer with near quantum-limited acquisition and timing at 10,000 times lower …

Investigations of a coherently driven semiconductor optical cavity QED system

September 30, 2008
Author(s)
Kartik A. Srinivasan, Christopher P. Michael, Raviv Perahia, Oskar Painter
… cavity QED devices consisting of a self-assembled InAs quantum dot (QD) coupled to a high quality factor GaAs … conditions are presented, which when compared with a quantum master equation model of the system allows for … Cavity quantum electrodynamics, microcavities, quantum dots …

Phase Field Benchmark Problems for Dendritic Growth and Linear Elasticity

June 15, 2018
Author(s)
Andrea Jokisaari, P W. Voorhees, Jonathan E. Guyer, James A. Warren, O. G. Heinonen
We present the second set of benchmark problems for phase field models that are being jointly developed by the Center for Hierarchical Design (CHiMaD) and the National Insti- tute of Standards and Technology (NIST) along with input from other members in

Quantum Nondemolition Measurement of a Nonclassical State of a Massive Object

December 7, 2015
Author(s)
Florent Q. Lecocq, Jeremy B. Clark, Raymond W. Simmonds, Jose A. Aumentado, John D. Teufel
… We, first, demonstrate the ability to perform a continuous quantum nondemolition measurement of a single mechanical … resolving quadrature fluctuations 20% below the quantum noise. … Quantum Nondemolition Measurement of a Nonclassical State of …

Valley blockade in a silicon double quantum dot

November 13, 2017
Author(s)
Justin K. Perron, Michael Gullans, Jacob Taylor, Michael Stewart, Neil M. Zimmerman
… Electrical transport in double quantum dots (DQD) is useful for illuminating many interesting aspects of the carrier states in quantum dots. Here we show data comparing bias triangles … Valley blockade in a silicon double quantum dot …

Describing Art Objects to Computers

January 1, 1984
Author(s)
Russell A. Kirsch
… to use these verbal descriptions as input data for computers that were intended to serve as aids in the analysis … Describing Art Objects to Computers …

Efficient Computation of Optical Forces With the Coupled Dipole Method

October 12, 2021
Author(s)
P C. Chaumet, Adel Rahmani, A Sentenac, Garnett W. Bryant
… using the coupled dipole method. We show how the time of computation can be reduced by several orders of magnitude … of a small scatterer on the accuracy and robustness of the computation of optical forces. … Efficient Computation of Optical Forces With the Coupled Dipole Method …

Computer Modeling of Heterodyne Interferometer Errors

January 1, 1995
Author(s)
Lowell P. Howard, Jack A. Stone Jr.
… A computer model and methodology for modeling optical mixing … in the model. The model is solved symbolically using computer software and it is shown that imbalances intensities … Computer Modeling of Heterodyne Interferometer Errors …

Mechanically mediated microwave frequency conversion

January 26, 2016
Author(s)
Florent Q. Lecocq, Jeremy B. Clark, Raymond W. Simmonds, Jose A. Aumentado, John D. Teufel
… this optomechanical frequency converter is suitable for quantum state transduction. We show the ability to operate … for photon routing and communication through complex quantum networks. … optomechanics, microwave, frequency conversion, quantum …

Simplified Quantum Logic with Trapped Ions

January 1, 1997
Author(s)
C Monroe, Dietrich Leibfried, B E. King, D M. Meekhof, Wayne M. Itano, David J. Wineland
… We describe a simplified scheme for quantum logic with a collection of laser-cooled trapped … Simplified Quantum Logic with Trapped Ions …

Comprehensive Capacitance-Voltage Simulation and Extraction Tool Including Quantum Effects for High-k on SixGe1􀀀x and InxGa1􀀀xAs: Part I - Model Description and Validation

July 21, 2017
Author(s)
Sarkar Anwar, William Vandenberghe, Gennadi Bersuker, Dmitry Veksler, Giovanni Verzellesi, Creighton Buie, Eric Vogel, Christopher Hinkle
… Fermi-Dirac carrier statistics, nonparabolic bands, and quantum mechanical effects are all implemented with options … C-V Simulation, Quantum mechanical effects, Dit extraction, III-V … Simulation and Extraction Tool Including Quantum Effects for High-k on SixGe1􀀀x and InxGa1􀀀xAs: Part I …

X-ray computed tomography instrument performance evaluation, Part II: Sensitivity to rotation stage errors

July 11, 2019
Author(s)
Balasubramanian Muralikrishnan, Katharine M. Shilling, Steven D. Phillips, Wei Ren, Vincent Lee, Felix H. Kim
… of standards for evaluating the performance of X-ray computed tomography instruments is ongoing within ASME and … analysis, single point ray tracing method, X- ray computed tomography … X-ray computed tomography instrument performance evaluation, Part …

Ethics and the Cloud

September 30, 2010
Author(s)
Keith Miller, Jeff Voas
… Cloud computing is an idea that's rapidly evolving. Still, the … to discuss how ethicists view the kinds of changes in computing that are being called "the cloud." This department is part of a special issue on cloud computing. … cloud computing, information technology …
Displaying 1551 - 1575 of 9850
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