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NIST Authors in Bold

Displaying 1301 - 1325 of 3643

High-speed low-power neuromorphic systems based on magnetic Josephson junctions

October 25, 2018
Author(s)
Michael Schneider, Christine A. Donnelly, Stephen E. Russek
… Josephson junctions and single flux quantum (SFQ) circuits form a natural neuromorphic technology … a voltage pulse with an integrated amplitude of a flux quantum ϕ_0=h/(2e^2 )=2.068 x 〖10〗^(-15) Vs. The coupling … neuromorphic, Josephson junction, single flux quantum …

Trapped-Ion State Detection through Coherent Motion

December 9, 2011
Author(s)
Till P. Rosenband, David Hume, Chin-Wen Chou, David R. Leibrandt, Michael J. Thorpe, David J. Wineland
… trapped atomic ions has led to several recent advances in quantum information processing 1 and precision spectroscopy 2 . A basic requirement for these and other quantum-metrology experiments is the ability to detect the … Aluminum ion, precision spectroscopy, quantum measurement …

Predicting anomalous quantum confinement effect in van der Waals materials

April 21, 2021
Author(s)
Francesca Tavazza, Kamal Choudhary
… Materials with van der Waals bonding are known to exhibit a quantum confinement effect, in which the electronic band gap … (2D) counterpart. However, the possibility of an anomalous quantum confinement effect (AQCE) exists, where the band gap … Predicting anomalous quantum confinement effect in van der Waals materials …

Strong coupling between a topological insulator and a III-V heterostructure at terahertz frequency

March 8, 2022
Author(s)
Garnett W. Bryant, D. Quang To, Zhengtianye Wang, Q. Dai Ho, Ruiqi Hu, Wilder Acuna, Yongchen Liu, Anderson Janotti, Joshua Zide, Stephanie Law, Matthew Doty
… the interaction between the Bi2Se3 layer and AlGaAs/GaAs quantum wells with intersubband transitions (ISBTs) in the … doping level and the scattering rate in the AlGaAs/GaAs quantum wells, as well as on the thickness of the GaAs spacer layer that separates the quantum-well structure from the TI layer Our results reveal …

Kinetic Theory of a Spin-1/2 Bose-Condensed Gas

October 12, 2021
Author(s)
T Nikuni, J E. Williams
… fraction. The noncondensate atoms are described by a quantum kinetic equation, which is a generalization of the spin kinetic equation for spin-polarized quantum gases to include couplings to the condensate degree … Bose-Einstein condensation, kinetic theory, quantum coherence, spin waves, spin-1/2 Bose gas …

Semiconductor Nanocrystal Probes for Human Metaphase Chromosomes

February 1, 2004
Author(s)
Yan Xiao, Peter E. Barker
… (CdSe) ZnSquantum dots in DNA FISH experiments show that quantum dot FISh probes were 11 times brighter than FITC … FITC (11%). These results demonstrate the feasibility of quantum dot-labeled FISH probes for human metaphase … chromosome, cytogenetics, FISH, karyotype, metaphase, quantum dot, semiconductor nanocrystal …

Polar codes in a QKD Environment

May 22, 2014
Author(s)
Anastase Nakassis, Alan Mink
… decoders. As such, it is an interesting candidate for the quantum key distribution (QKD) protocol that normally … Quantum key distribution, QKD reconciliation, Entropy, Polar …

Interaction driven exotic quantum phases in spin-orbit coupled lattice spin?1 bosons

May 19, 2016
Author(s)
Ian B. Spielman, Jedediah Pixley, Stefan Natu, Sankar Das Sarma
… spin-orbit coupled system recently realized at the Joint Quantum Institute [Campbell et. al., arXiv:1501.05984]. We find a rich quantum phase diagram, where, in addition to the conventional … Interaction driven exotic quantum phases in spin-orbit coupled lattice spin?1 bosons …

Photon echoes using atomic frequency combs in Pr:YSO -- experiment and semiclassical theory

January 30, 2023
Author(s)
Zachary Levine, Aditya N. Sharma, Kumel H. Kagalwala, Martin A. Ritter, Eli J. Weissler, Elizabeth A. Goldschmidt, Alan Migdall
… studied to understand the challenges of making broadband quantum memories using the atomic frequency comb (AFC) … Operating in this regime may facilitate storing quantum information over a larger spectral range in such … Pr:YSO , quantum memory , hyperfine structure , atomic frequency comb …

Optimal binary gratings for multi-wavelength magneto-optical traps

November 20, 2023
Author(s)
Oliver Burrow, Robert Fasano, Michael Wright, Wesley Brand, Wenbo Li, Andrew Ludlow, Erling Riis, Paul Griffin, Aidan Arnold
… Grating magneto-optical traps are an enabling quantum technology for portable metrological devices with … for a wide class of atomic species enabling advanced quantum technologies. … laser cooling, grating, magneto-optical trap, quantum technology, diffraction, cold atom …

Field-Tuned Magnetic Structure and Phase Diagram of the Honeycomb Magnet YbCl 3

March 1, 2021
Author(s)
Yiqing Hao, Hongliang Wo, Yimeng Gu, Xiaowen Zhang, YiQing Gu, ShiYi Zheng, Yang Zhao, Guangyong Xu, Jeffrey W. Lynn, Naoki Murai, Wenbin Wang, Jun Zhao
… state. These results indicate the presence of strong quantum fluctuations in YbCl d3^. … quantum magnet, neutron scattering, honeycomb magnet …

Molecular Calculation of the Critical Parameters of Classical Helium

July 2, 2019
Author(s)
Richard A. Messerly, Navneeth Gokul, Andrew J. Schultz, David A. Kofke, Allan H. Harvey
… critical coordinates of a model of helium in which nuclear quantum effects are absent. We employ highly accurate ab … helium (such as some natural gases) at temperatures where quantum effects are expected to be negligible (such as most … situations, the distortion of the critical properties by quantum effects causes problems for the corresponding-states …

Physics Laboratory: 2002 Activities, Accomplishments and Recognition

February 1, 2003
Author(s)
Jonathan E. Hardis, William R. Ott, G G. Wiersma
… ionizing radiation, time and frequency, and fundamental quantum processes. Area of core competence include electron … radiation measurements, time and frequency metrology, quantum physics, fundamental constants, and electronic … ionizing radiation, nanotechnology, optical radiation, quantum physics, time …

Absolute Silicon Photodiodes for 160 nm to 254 nm Photons

January 1, 1998
Author(s)
L R. Canfield, Robert E. Vest, R Korde, H Schmidtke, R Desor
… in the 160 nm to 254 nm range. Preliminary values for the quantum yield of silicon, a fundamantal property, are … photodiode, quantum yield, radiometry, silicon, trapdetector, ultraviolet …

Relative Number Squeezing in Bose-Einstein Condensates

October 16, 2008
Author(s)
M Edwards, J A. Dunningham, Karen G. Burnett
… to be a practical way of generating such states. We use a quantum simulation for small numbers that enables us to … Bose-Einstein condensate, number squeezing, quantum optics, ultra-cold gases …
Displaying 1301 - 1325 of 3643
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