Search Publications

NIST Authors in Bold

Displaying 4301 - 4325 of 9856

PLACEBO IV::rules, concordance, sample computer generation.

January 1, 1965

Author(s)

William C Watt

… PLACEBO IV::rules, concordance, sample computer generation. …

Phototypesetting of computer output::an example using tabular data.

January 1, 1963

Author(s)

William R Bozman

… Phototypesetting of computer output::an example using tabular data. …

Circular of the Bureau of Standards no. 549::computation of achromatic objectives

January 1, 1954

Author(s)

Robert E Stephens

… Circular of the Bureau of Standards no. 549::computation of achromatic objectives …

Bulk-Like Properties Observed From High Density GaN Nanocolumns Grown by Molecular Beam Epitaxy

October 12, 2021

Author(s)

J E. Van Nostrand, R Cortez, J Boecki, J D. Albrecht, C E. Stutz, K L. Averett, Norman Sanford, Albert Davydov

… for optical studies of silicon dopant and InGaN/GaN multi-quantum well layer structures. Significant improvements in quantum well photoluminescence emission intensity and line … thin films grown by MBE. A 311 meV blue shift in the quantum well emission is also observed for quantum wells …

NIST computer time services ::Internet Time Service (ITS), Automated Computer Time Service (ACTS), and time.gov web sites

January 1, 2002

Author(s)

Judah Levine, Michael A Lombardi, Andrew N Novick

… NIST computer time services ::Internet Time Service (ITS), Automated Computer Time Service (ACTS), and time.gov web sites …

NIST Computer Time Services: Internet Time Service (ITS), Automated Computer Time Service (ACTS), and time.gov Web Sites

January 1, 2002

Author(s)

Judah Levine, Michael A. Lombardi, Andrew N. Novick

… NIST Computer Time Services: Internet Time Service (ITS), Automated Computer Time Service (ACTS), and time.gov Web Sites …

Summary Report: Symposium on Computational Thermochemistry, Computers in Chemistry Division, American Chemical Society 212th National Meeting, Orlando, FL

December 1, 1997

Author(s)

Karl K. Irikura, David Frurip

… Summary Report: Symposium on Computational Thermochemistry, Computers in Chemistry Division, American Chemical Society …

USING INDUSTRY FOCUS GROUPS AND LITERATURE REVIEW TO IDENTIFY CHALLENGES IN SUSTAINABLE ASSESSMENT THEORY AND PRACTICE

August 23, 2016

Author(s)

Mahesh Mani, Karl Haapala, Matteo Smullin, KC Morris

The bottom up demand from consumers for more sustainable products, and the top down need to comply with government regulations motivates manufacturers to adopt tools and methods to evaluate their operations for opportunities to reduce environmental impact

Three-dimensional dipolar thermalization in a reactive molecular gas with resonant shielding

October 1, 2021

Author(s)

Jun-Ru Li, William Tobias, Kyle Matsuda, Calder Miller, Giacomo Valtolina, Luigi De Marco, Rueben Wang, John Bohn, Goulven Quemener, Jun Ye

… interactions. This work establishes a longlived bulk quantum gas system with tunable interactions, paving the way for the study of collective quantum many-body physics mediated by long-range interactions. …

Single photon detection timing jitter in a visible light photon counter

June 1, 2010

Author(s)

Burm Baek, Kyle S. McKay, Martin J. Stevens, Jungsang Kim, Henry H. Hogue, Sae Woo Nam

… many attractive features as photon detectors, such as high quantum efficiency and photon number resolution.We report … and increases substantially at lower bias voltages as the quantum efficiency is reduced. …

Measurements of Molecular Dynamics in Atomically Engineered Molecular Nanostructures

March 15, 2006

Author(s)

Joseph A. Stroscio, Robert Celotta

… The quantum yield for exciting the motion of a single atom within … tunneling microscope (STM). The electron excitation and quantum yield were found to be spatially localized on an …

Bogoliubov Approach to Superfluidity of Atoms in an Optical Lattice

January 1, 2003

Author(s)

A M. Rey, Karen G. Burnett, R Roth, M Edwards, Carl J. Williams, Charles W. Clark

… This enables us to explore the connection between the quantum depletion of the condensate and the quasi-momentum … may be characterized through the filling of the band by quantum depletion, which should be directly observable via …

Intermolecular Potential and Second Virial Coefficient of the Water-Helium Complex

January 1, 2002

Author(s)

M P. Hodges, R J. Wheatley, Allan H. Harvey

… second virial coefficients, including first-order quantum corrections, from 100 to 2000 K. The estimated … values also cover a much wider range of temperature. The quantum corrections are found to be smaller in magnitude than …

Analysis and Fit of the Fourier-Transform Microwave Spectrum of the Two-Top Molecule N-methylacetamide

September 1, 2004

Author(s)

N Ohashi, Jon T. Hougen, R D. Suenram, Francis J. Lovas, Y Kawashima, M Fujitake (Japan), J Pyka

… symmetry species and the usual three asymmetric rotor quantum numbers JKaKc were assigned to each torsion-rotation …

Investigation of the Effect of Artificial Internal Defects on the Tensile Behavior of Laser Powder Bed Fusion 17-4 Stainless Steel Samples: Simultaneous Tensile Testing and X-Ray Computed Tomography

October 5, 2021

Author(s)

Felix Kim, Shawn P. Moylan, Thien Q. Phan, Edward Garboczi

… implementation of tensile tests with high-resolution X-ray computed tomography (XCT) measurements on 17–4 stainless … Steel Samples: Simultaneous Tensile Testing and X-Ray Computed Tomography …

Finite Element Method Solution Uncertainty, Asymptotic Solution, and a New Approach to Accuracy Assessment

May 16, 2018

Author(s)

Jeffrey T. Fong, Pedro V. Marcal, Robert B. Rainsberger, Li Ma, Nathanael A. Heckert, James J. Filliben

… Errors and uncertainties in finite element method (FEM) computing can come from the following eight sources: (1) Computing platform; (2) choice of element types; (3) choice …

Measurement resolution enhanced coherence for lattice fermions

February 25, 2025

Author(s)

Ian Spielman, Hilary Hurst, Yik Teoh

… enables the extraction of targeted information from a quantum system while minimizing decoherence due to measurement backaction. However, in many-body quantum systems backaction can have unexpected effects on … affects both the rate of stochastic evolution for each quantum trajectory and the allowed final states. The full …

Broadband microwave electrical transport spectroscopy for two-dimensional material systems

May 24, 2022

Author(s)

Antonio Levy, Neil M. Zimmerman

… are observed [2], and artificial lattices for analog quantum simulations [3]. Most previous techniques are … Hone, M. O. Goerbig and C. R. Dean, "Competing Fractional Quantum Hall and Electron Solid Phases in Graphene," Physical … Klimeck, M. Y. Simmons, L. C. L. Hollenberg and S. Rogge, "Quantum simulation of the Hubbard model with dopant atoms in …

Ultra-sensitive mid-infrared emission spectrometer using a WSi superconducting nanowire single-photon detector

June 11, 2018

Author(s)

Varun Verma, Martin Stevens, Richard Mirin, Sae Woo Nam, Li Chen, Dirk Schwarzer, Jascha A. Lau

… resolution. The a-WSi SNSPD shows saturated internal quantum efficiency at wavelengths between 1.5 υm and 2.5 υm, where the absolute internal quantum efficiency is found to be close to unity. The internal quantum efficiency remains above 10 % at wavelengths as long …

Photo-Assisted Tuning of Si Nano-Crystal Photoluminescence

February 2, 2007

Author(s)

Jonghoon Choi, Nam S. Wang, Vytas Reipa

… are relaxed in 1-5 nm dia Si crystals as a result of quantum confinement effects and bright photoluminescence in … and smaller probes than metal chalcogenide based quantum dots. Published Si nanocrystal production procedures … with the particle size. Significant improvement in PL quantum yield is observed following acid treatment suggesting …

Dual Josephson impedance bridge: towards a universal bridge for impedance metrology

October 22, 2020

Author(s)

Frederic Overney, Nathan Flowers-Jacobs, Blaise Jeanneret, Alain Rufenacht, Anna Fox, Paul Dresselhaus, Samuel Benz

… impedance standards that are (a) directly traceable to the quantum Hall effect, (b) used as part of international … Dual Josephson Impedance Bridge, DJIB, quantum Hall effect, international impedance comparisons, …

Enhancement of Rydberg Blockade via Microwave Dressing

March 27, 2025

Author(s)

Deniz Kurdak, Patrick Banner, Yaxin Li, Sean Muleady, Alexey Gorshkov, S. L. Roston, James Porto

… between atoms is a keycapability for advancing quantum technologies. Here, we use microwave dressing to … such as polarization and detuning,opening pathways for new quantum control strategies. …

Path-integral calculation of the third dielectric virial coefficient of noble gases

December 15, 2021

Author(s)

Giovanni Garberoglio, Allan H. Harvey, Bogumil Jeziorski

… We present a rigorous framework for fully quantum calculation of the third dielectric virial … C_eps(T) of noble gases, including exchange effects. The quantum efects are taken into account with the path-integral …

Nanoscale Atomic Density Microscopy

April 1, 2019

Author(s)

Sarthak Subhankar, Yang Wang, Tsz-Chun Tsui, Steven Rolston, James V. Porto

… Quantum simulations with ultracold atoms typically create … response to surpass the diffraction limit. Exploiting quantum interference, we demonstrate imaging with …

Near ground-state cooling of two-dimensional trapped-ion crystals with more than 100 ions

February 7, 2019

Author(s)

Judith Elena Jordan, Kevin A. Gilmore, Athreya Shankar, Arghavan Safari-Naini, Justin G. Bohnet, Murray Holland, John J. Bollinger

… mode show near ground state cooling with motional quantum numbers of nbar = 0.3 +- 0.2 obtained within 200 μs. … predicted by single particle theory, in agreement with a quantum many-body calculation. For the lower frequency …

Advanced communications
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