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NIST Authors in Bold

Displaying 476 - 500 of 9847

Challenging Security Requirements for US Government Cloud Computing Adoption

November 19, 2012
Author(s)
Michaela Iorga
… Cloud Strategy, February 8, 2010, outlines a federal cloud computing program that identifies program objectives aimed at accelerating the adoption of cloud computing across the federal government. NIST, along with … of that effort, including the delivery of the NIST Cloud Computing Technology Roadmap and the publication of other …

Comment on 'Laterally Squeezed Excitonic Wave Function in Quantum Wires'

October 16, 2008
Author(s)
Garnett W. Bryant, Y B. Band, Paul S. Julienne
… Recent magnetophotoluminescence data on T-shaped quantum wires is reinterpreted based on a detailed theory of magnetoexcitons in T-shaped quantum wires. We show that the previous analysis greatly … exiton, magnetic field, quantum wire … Comment on 'Laterally Squeezed Excitonic Wave Function in Quantum Wires' …

Pristine Quantum Criticality in a Kondo Semimetal

May 19, 2021
Author(s)
Wesley T. Fuhrman, Andrey Sidorenko, Jonathan Hanel, Hannes Winkler, Andrey Prokofiev, Jose Rodriguez Rivera, Yiming Qiu, Peter Blaha, Qimiao Si, Collin L. Broholm, Silke Paschen
… The observation of quantum criticality in diverse classes of strongly correlated … ratio reveals that, surprisingly, this compound is quantum critical without tuning. The dynamical energy over … behavior, which has been associated with Kondo destruction quantum criticality in metallic systems, may well be generic …

Innovations in Maximum Likelihood Quantum State Tomography

October 9, 2009
Author(s)
Scott C. Glancy, Emanuel H. Knill, Thomas Gerrits, Tracy S. Clement, Brice R. Calkins, Adriana E. Lita, Aaron J. Miller, Alan L. Migdall, Sae Woo Nam, Richard P. Mirin
… to measure the light, and we apply maximum likelihood quantum state tomography to the homodyne data to estimate the … assist in this analysis we have made a few improvements to quantum state tomography: we have devised a new iterative … homodyne detection, maximum likelihood, quantum state estimation, quantum state tomography …

State and Measurement Tomography of an Exchange-Only Spin Qubit

September 1, 2013
Author(s)
Jacob M. Taylor, Medford Jim, Johannes Beil, Stephen Bartlett, Andrew Doherty, Emmanuel Rashba, David P. DiVincenzo, H Lu, A. C. Gossard
… noise and fluctuating Overhauser fields. The linear triple quantum dot structure allows for the initialization of … Quantum dots, quantum computing …

Non-local propagation of correlations in long-range interacting quantum systems

July 10, 2014
Author(s)
Phil Richerme, Zhexuan Gong, Aaron Lee, Crystal Senko, Jacob Smith, Michael S. Foss-Feig, Spyridon Michalakis, Alexey Gorshkov, Christopher Monroe
… The maximum speed with which information can propagate in a quantum many-body system directly affects how quickly … and time-dependent correlations of a far-from-equilibrium quantum many-body system evolving under a long-range Ising- … theory. Our results demonstrate that even modestly-sized quantum simulators are well-poised for studying complicated …

Ionic Hydrogen bond Networks and Ion Solvation 1. An Efficient Monte Carlo / Quantum Mechanical Method for Structural Search and Energy Computation: Ammonium / Water

February 25, 2009
Author(s)
Yi-Lei Zhao, Michael Mautner, Carlos A. Gonzalez
… searches with accurate but affordable energy computation. Combining Monte Carlo searches with the OPLS-AA … search for each n was then re-optimized with 2 quantum chemistry methods including HF, MP2 and DFT. The … expensive from the computational point of view) ab initio quantum chemical methods. These encouraging results suggest …

Systemic Risks in the Cloud Computing Model: Complex Systems Perspective

January 19, 2017
Author(s)
Vladimir V. Marbukh
… inherent systemic risk/performance tradeoff in the cloud computing model. We view Cloud as a Complex System and … cloud computing model, dynamic resource sharing, overload, systemic … 9th IEEE International Conference on Cloud Computing … Systemic Risks in the Cloud Computing Model: Complex Systems Perspective …

Quantum routing with fast reversals

August 24, 2021
Author(s)
Ani Bapat, Andrew Childs, Alexey Gorshkov, Samuel King, Eddie Schoute, Hrishee Shastri
… Quantum … Quantum routing with fast reversals …

Non-equilibrium Fractional Quantum Hall state of light

June 3, 2013
Author(s)
Mohammad Hafezi, Jacob M. Taylor
… strongly interacting models: Bose-Hubbard and Fractional Quantum Hall. The proposed preparation and measurement scheme … Fractional Quantum Hall, Quantum Simulation … Non-equilibrium Fractional Quantum Hall state of light …

Phase transition in magic with random quantum circuits

September 23, 2024
Author(s)
Michael Gullans
… Maic is a resource that enables quantum computation and quantifies the efficacy of a quantum state for universal fault-tolerant quantum computing. Understanding the mechanisms by which … Phase transition in magic with random quantum circuits …

Quantum amplification of motion of a mechanical oscillator

June 21, 2019
Author(s)
Shaun C. Burd, Raghavendra Srinivas, John J. Bollinger, Andrew C. Wilson, David J. Wineland, Dietrich G. Leibfried, Daniel H. Slichter, David T. Allcock
… knowledge of an oscillator’s motion is limited by quantum fluctuations that exist even if the oscillator is in … in an amplified coherent state, ideally with no added quantum noise. We implement this protocol with a trapped-ion … Quantum metrology, squeezing, trapped ion …

Entangled States of Atomic Ions for Quantum Metrology and Computation

January 1, 1996
Author(s)
David J. Wineland, C Monroe, D M. Meekhof, B E. King, Dietrich G. Leibfried, Wayne M. Itano, James C. Bergquist, D J. Berkeland, John J. Bollinger, J D. Miller
… motion including "Schrödinger-cat" states. A fundamental quantum logic gate is realized using the quantized motion and … some of the applications for, and problems in realizing, quantum logic based on multiple trapped ions. … Entangled States of Atomic Ions for Quantum Metrology and Computation …

SoK: How (not) to Design and Implement Post-Quantum Cryptography

May 17, 2021
Author(s)
James Howe, Thomas Prest, Daniel Apon
… Post-quantum cryptography has known a Cambrian Explosion in the … study systematizes the current state of knowledge on post-quantum cryptography. Compared to existing studies, we adopt … point of view allows to cast almost all classical and post-quantum schemes into just a few paradigms. We highlight …

Quantum Versus Classical Spin Fragmentation in Dipolar Kagome Ice Ho 3 Mg 2 Sb 3 O 14

September 29, 2020
Author(s)
Zhiling Dun, Xiaojian Bai, Jospeh A. Paddison, Emily Hollingworth, Nicholas Butch, Clarina D. Cruz, Matthew Stone, Tao Hong, Franz Demmel, Martin Mourigal, Haidong Zhou
… magnetic states combines geometrical frustration with quantum-tunneling effects. Spin-ice materials are canonical … magnetic field are the simplest many-body model of quantum tunneling. Here, we show that the tripod kagome … Mg 2 Sb 2 O 14 unites an ice-like magnetic degeneracy with quantum-tunneling terms generated by an intrinsic splitting …

Coherently displaced oscillator quantum states of a single trapped atom

June 11, 2019
Author(s)
Katherine C. McCormick, Jonas Keller, David J. Wineland, Andrew C. Wilson, Dietrich Leibfried
… for oscillator frequency determination from the single quantum regime up to very large coherent states with average … Quantum Science and Technology … Coherently displaced oscillator quantum states of a single trapped atom …

Quantum interference between photons from an atomic ensemble and a remote atomic ion

November 18, 2019
Author(s)
A. Craddock, J. Hannegan, D. Ornelas-Huerta, J. Siverns, A. Hachtel, E. Goldschmidt, James V. Porto, Q. Quraishi, S. Rolston
… and interference of photons produced by nodes within a quantum network. Quantum networks based on heterogeneous nodes provide a … characteristics of the photons generated by the different quantum systems. Here, we report on the observation of … quantum network, two-photon interference …

Observation of Quantum Oscillations between a Josephson Phase Qubit and a Microscopic Resonator using Fast Readout

October 25, 2004
Author(s)
Ken Cooper, Matthias Steffen, Robert McDermott, Raymond Simmonds, Seongshik Oh, Dustin Hite, David P. Pappas, John M. Martinis
… We have detected coherent quantum oscillations between Josephson phase qubits and … fast readout, Josephson junction, phase qubit, quantum computing, qubit, superconductivity … Observation of Quantum Oscillations between a Josephson Phase Qubit and a …

Semiconductor Double Quantum Dot Micromaser

January 16, 2015
Author(s)
Michael Gullans, Yinyiu Liu, George Stehlik, Jacob M. Taylor, Jason Petta
… few- emitter limit provide opportunities for understanding quantum coherent phenomena, from THz sources to quantum communication. Here we demonstrate a microwave laser … by single electron tunneling events. Semiconductor double quantum dots (DQDs) serve as a gain medium and are placed …

Engineered two-dimensional Ising interactions on a trapped-ion quantum simulator with hundreds of spins

April 26, 2012
Author(s)
Joseph W. Britton, Brian C. Sawyer, Adam Keith, C.-C. Joseph Wang, James K. Freericks, Hermann Uys, Michael Biercuk, John J. Bollinger
… The presence of long-range quantum spin correlations underlies a variety of physical … for as few as N ~ 30 particles. Feynman divined that a quantum simulator – a special-purpose "analog" processor built using quantum particles (qubits) – would be inherently adept at …

Quantum state tracking and control of a single molecular ion in a thermal environment

August 1, 2024
Author(s)
Yu Liu, Julian Schmidt, Zhimin Liu, David Leibrandt, Dietrich Leibfried, Chin-wen Chou
… dynamics, precision measurement, and molecule-based quantum technology. Details of this evolution are obscured … of species, facilitating their uses in fields including quantum science, molecular physics, and ion-neutral chemistry. … quantum control, cold molecules, quantum science …

NIST Cloud Computing Reference Architecture

September 8, 2011
Author(s)
Fang Liu, Jin Tong, Jian Mao, Robert B. Bohn, John V. Messina, Mark L. Badger, Dawn M. Leaf
… The adoption of cloud computing into the Federal Government and its implementation … reference point, based on the NIST definition of Cloud Computing, is needed to describe an overall framework that … government-wide. This document presents the NIST Cloud Computing Reference Architecture (RA) and Taxonomy (Tax) that …
Displaying 476 - 500 of 9847
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