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Displaying 18576 - 18600 of 74061

Materials Genome III: CALPHAD Data Repositories and Beyond

April 29, 2014
Author(s)
Carelyn E. Campbell, Ursula R. Kattner, Zi-Kui Liu
Initially, the CALPHAD method was established as a tool for treating thermodynamics and phase equilibria of multicomponent systems. Since then the method has been successfully applied to diffusion mobilities in multicomponent systems, creating the

Tearing and scrolling of transferred graphene

April 29, 2014
Author(s)
Guangjun Cheng, Brent A. Sperling, James E. Maslar, Curt A. Richter, Angela R. Hight Walker
We present an investigation on tearing and scrolling of the transferred graphene on a Si/SiO2 substrate. Graphene grown by chemical vapor deposition (CVD) is transferred onto a Si/SiO2 substrate using a wet polymer-mediated process. Upon the removal of

An improved method of modeling infiltration in commercial building energy models

April 28, 2014
Author(s)
Lisa C. Ng, Steven J. Emmerich, Andrew K. Persily
As various strategies for improving building envelope and HVAC equipment efficiencies are increasingly used to reduce building energy use, a greater percentage of energy loss can occur through building envelope leakage. Although the energy impacts of

Confinement-Driven Increase in Ionomer Thin-Film Modulus

April 28, 2014
Author(s)
Kirt A. Page, Ahmet Kusoglu, Christopher M. Stafford, Sangcheol Kim, Regis J. Kline, Adam Weber
Ion-conductive polymers, or ionomers, are critical materials for a wide range of electrochemical technologies. For optimizing the complex, heterogeneous structures in which they occur, there is a need to elucidate the governing structure/function

Coordinate-space approach to vacuum polarization

April 28, 2014
Author(s)
Peter J. Mohr, P Indelicatio, J. Sapirstein
The vacuum-polarization correction for bound electrons or muons is examined. The objective is to formulate a framework for calculating the correction from bound-state quantum electrodynamics entirely in coordinate space, including the Uehling potential

CVSS Implementation Guidance

April 28, 2014
Author(s)
Joshua M. Franklin, Charles W. Wergin, Harold Booth
This Interagency Report provides guidance to individuals scoring vulnerabilities using the Common Vulnerability Scoring System (CVSS) Version 2.0 scoring metrics. CVSS defines a vulnerability as a bug, flaw, weakness, or exposure of an application, system

Direct generation of three-photon polarization entanglement

April 28, 2014
Author(s)
Deny Hamel, Krister Shalm, Hannes Hubel, Aaron J. Miller, Francesco F. Marsili, Varun Verma, Richard Mirin, Sae Woo Nam, Kevin Resch, Thomas Jennewein
Non-classical states of light are of fundamental importance for emerging quantum technologies. All optics experiments producing multi-qubit entangled states have until now relied on outcome post-selection, a procedure where only the measurement results

Quantum Algorithms for Fermionic Quantum Field Theories

April 28, 2014
Author(s)
Stephen P. Jordan, Keith S. Lee, John Preskill
Extending previous work on scalar field theories, we develop a quantum algorithm to compute relativistic scattering amplitudes in fermionic field theories, exemplified by the massive Gross-Neveu model. The algorithm introduces new techniques to meet the

Time-resolved double-slit interference pattern measurement with entangled photons

April 28, 2014
Author(s)
Lynden K. Shalm, Thomas Jennewein, Kevin Resch, Piotr Kolenderski, Carmelo Scarcella, Kelsey D. Johnsen Johnsen, Deny Hamel, Cahterine Holloway, Simone Tisa, Alberto Tosi
The double-slit experiment strikingly demonstrates the wave-particle duality of quantum objects. In this famous experiment, particles pass one-by-one through a pair of slits and are detected on a distant screen. A distinct wave-like pattern emerges after

Towards a Reference Architecture for Archival Systems: Use Case With Product Data

April 28, 2014
Author(s)
Raphael Barbau, Joshua Lubell, Sudarsan Rachuri, Sebti Foufou
Long-term preservation of product data is imperative for many organizations. A product data archive should be designed to ensure information accessibility and understanding over time. Approaches such as the Open Archival Information System (OAIS) Reference

A Model Towards Using Evidence from Security Events for Network Attack Analysis

April 27, 2014
Author(s)
Changwei Liu, Anoop Singhal, Duminda Wijesekera
Constructing an efficient and accurate model from security events to determine an attack scenario for an enterprise network is challenging. In this paper, we discuss how to use evidence obtained from security events to construct an attack scenario and

Bilateral NMI Comparison of Guarded-Hot-Plate Apparatus

April 27, 2014
Author(s)
Alain Koenen, Robert R. Zarr, William F. Guthrie
Two national metrology laboratories (NMI) have conducted an international interlaboratory comparison on thermal conductivity on two thermal insulation reference materials. The Laboratoire national de métrologie et d'Essais (LNE) from France and the

Chapter 4: Fourier transform methods

April 25, 2014
Author(s)
Simon G. Kaplan, Manuel A. Quijada
Chapter 4 describes the use of Fourier Transform Spectrometers (FTS) for accurate spectrophotometry over a wide spectral range. After a brief exposition of the basic concepts of FTS operation, we discuss instrument designs and discuss their advantages and
Displaying 18576 - 18600 of 74061