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Journals

Lifetime-Limited Interrogation of Two Independent 27Al+ Clocks using Correlation Spectroscopy

December 9, 2020

Author(s)

Ethan Clements, May E. Kim, Kaifeng Cui, Aaron M. Hankin, Samuel M. Brewer, Jose Valencia, Jwo-Sy Chen, Chin-wen Chou, David Leibrandt, David Hume

Laser decoherence limits the stability of optical clocks by broadening the observable resonance linewidths and adding noise during the dead time between clock...

Permanent and Reversibly Programmable Shapes in Liquid Crystal Elastomer Microparticles Capable of Shape Switching

December 9, 2020

Author(s)

Alina Martinez, Lewis Cox, Jason Killgore, Nicholas Bongiardina, Russell Riley, Christopher N. Bowman

Analytic expressions for the steady-state current with finite extended reservoirs

December 8, 2020

Author(s)

Michael P. Zwolak

Open system simulations of quantum transport enable the computational study of true steady states, Floquet states, and the role of temperature, time-dynamics...

Symmetry breaking and error correction in open quantum systems

December 8, 2020

Author(s)

Simon K. Lieu, Ron Belyansky, Jeremy T. Young, Rex Lundgren, Victor Albert, Alexey Gorshkov

Symmetry-breaking transitions are a well-understood phenomenon of closed quantum systems in quantum optics, condensed matter, and high energy physics. However...

Multiscale Microstructure, Composition, and Stability of Surfactant/Polymer Foams

December 8, 2020

Author(s)

Stefania Perticaroli, Jana Herzberger, Yiping Sun, Jonathan D. Nickels, Ryan Murphy, Kathleen Weigandt, Paula J. Ray

Foam stability is a critical part of product performance and consumer experience in materials as diverse as beer or detergents. Inclusion of polymer additives...

Feedback Induced Magnetic Phases in Binary Bose-Einstein Condensates

December 7, 2020

Author(s)

Ian B. Spielman, Shangjie Guo, Hilary M. Hurst

Weak measurement in tandem with real-time feedback control is a new route toward engineering novel non-equilibrium quantum matter. Here we develop a theoretical...

Chromosome-scale, haplotype-resolved assembly of human genomes

December 7, 2020

Author(s)

Justin Zook, Shilpa Garg, Heng Li

Haplotype-resolved or phased genome assembly provides a complete picture of genomes and their complex genetic variations. However, current algorithms for phased...

Observation of Efimov Universality across a Non-Universal Feshbach Resonance in ³⁹K

December 7, 2020

Author(s)

Xin Xie, Michael Van de Graaff, Roman Chapurin, Matthew D. Frye, Jeremy M. Hutson, Jose P. D'Incao, Paul S. Julienne, Jun Ye, Eric A. Cornell

Simulation of XXZ Spin Models using Sideband Transitions in Trapped Bosonic Gases

December 7, 2020

Author(s)

Johannes Will, Jan Arlt, Carsten Klempt, Ana Maria Rey

Fan-out and Fan-in properties of superconducting neuromorphic circuits

December 4, 2020

Author(s)

Michael Schneider, Segall Kenneth

Neuromorphic computing has the potential to further the success of software-based artificial neural networks (ANNs) by designing hardware from a different...

Experimental Study of the Effect of Ambient Pressure on Oscillating Behavior of Pool Fires

December 4, 2020

Author(s)

Jian Chen, Andy Tam, Wei Tang, Chao Zhang, Changhai Li, Shouxiang Lu

Pool fires are known to exhibit self-sustained oscillatory behavior, which plays an important role in the understanding of flame and fire spreading. To...

H2 Production in the 10B(n,?)7Li Reaction in Water

December 4, 2020

Author(s)

Alan K. Thompson, Travis C. Dietz, Mohamad Al-Sheikhly, Marcin Sterniczuk, David M. Bartels

We demonstrate a method for measuring the H2 produced in water from the 10B(n,α)7Li fission reaction. Low energy neutrons from the NIST Center for Neutron...

Improved coupled-mode theory for high-index-contrast photonic platforms

December 4, 2020

Author(s)

Qing Li, Gregory Moille, Hossein Taheri, Ali Adibi, Kartik Srinivasan

Coupled-mode theory has been widely used in optics and photonics design. Despite its popularity, several different formulations of coupled-mode theory exist in...

Local elastic moduli of simple random composites computed at different length scales

December 3, 2020

Author(s)

Edward Garboczi, Pietro Lura

Techniques like nanoindentation and atomic force microscopy can estimate the local elastic moduli in a region surrounding the probe tip used. For composites...

Point Mean Beam Length - a New Concept to Enhance the Computational Efficiency of Multi- Dimensional Non-Gray Radiative Heat Transfer

December 3, 2020

Author(s)

Walter W. Yuen, Andy Tam

A new concept of point mean beam length (PMBL) is introduced. For enclosures with simple geometry, this concept provides a fundamental self-consistent...

Simplify your life

December 2, 2020

Author(s)

Gordon Drake, Eite Tiesinga

Within the Hartree atomic unit systems, the Schrödinger equation becomes parameter free. But there's more to it than making a student's life easier, as Gordon...

Probing Electrified Liquid-Solid Interfaces with Scanning Electron Microscopy

December 2, 2020

Author(s)

Hongxuan Guo, Alexander Yulaev, Evgheni Strelcov, Alexander Tselev, Christopher M. Arble, Andras Vladar, John S. Villarrubia, Andrei Kolmakov

The mean free path of secondary electrons in aqueous solutions is on the order of a nanometer, making them a suitable probe of ultrathin electrical double...

Toward Automated Vehicle Teleoperation: Vision, Opportunities, and Challenges

December 1, 2020

Author(s)

Tao Zhang

Recently, vehicle teleoperation (remote driving) has been gaining momentum in the industry and is playing an important role in helping self-driving cars...

Categories for planning and scheduling

December 1, 2020

Author(s)

Spencer Breiner, Peter Denno, Eswaran Subrahmanian

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EUV-induced carbon growth at contaminant pressures between 10-10 mbar and 10-6 mbar: Experiment and model

December 1, 2020

Author(s)

Shannon B. Hill, Charles Tarrio, Robert F. Berg, Thomas B. Lucatorto

Carbon contamination induced by ultraviolet (UV) radiation affects precision optics in applications as diverse as semiconductor lithography and satellite...

An outlook into the flat land of 2D materials beyond graphene: synthesis, properties and device applications

December 1, 2020

Author(s)

Amber D. McCreary, Olga Kazakova, Deep Jariwala, Zakaria Al Balushi

The field of two-dimensional (2D) and layered materials continues to excite many researchers around the world who are eager to advance and innovate viable...

An Approach for Detection of Advanced Persistent Threat Attacks

December 1, 2020

Author(s)

Qingtian Zou, Xiaoyan Sun, Peng Liu, Anoop Singhal

Advanced Persistent Threat (APT) campaigns employ sophisticated strategies and tactics to achieve their attack goal. The evolution of APT strategies and tactics...

Temporal Memory with Magnetic Racetracks

December 1, 2020

Author(s)

Hamed Vakili, Mohammed N. Sakib, Samiran Ganguly, Mircea Stan, Matthew Daniels, Advait Madhavan, Mark D. Stiles, Avik W. Ghosh

Race logic is a relative timing code that represents information in a wavefront of digital edges on a set of wires in order to accelerate dynamic programming...

Exchange Bias Switching in an Antiferromagnet/Ferromagnet Bilayer Driven by Spin-Orbit Torque

December 1, 2020

Author(s)

Shouzhong Peng, Daoqian Zhu, Weixiang Li, Hao Wu, Alexander Grutter, Dustin A. Gilbert, Jiaqi Lu, Danrong Xiong, Wenlong Cai, Padraic Shafer, Kang L. Wang, Weisheng Zhao

Electrical manipulation of exchange bias and magnetization in antiferromagnet/ferromagnet thin films has been of great interest in recent years. Here, we...

A low-swelling, polymeric mixed conductor operating in aqueous electrolytes

November 30, 2020

Author(s)

Lee Richter, Tommaso Nicolini, Jokubas Surgailis, Achileas Savva, Guillaume Wantz, Olivier Dautel, Georges Hadiziioannou, Natalie Stingelin

Organic mixed conductors find use in batteries, bioelectronics technologies, neuromorphic computing and sensing. While great progress has been achieved, polymer...

Numerical Evaluation of Advanced Laser Control Strategies Influence on Residual Stresses for Laser Powder Bed Fusion Systems

November 30, 2020

Author(s)

Carraturo Massimo, Brandon Lane, Ho Yeung, Stefan Kollmannsberger, Alessandro Reali, Ferdinando Auricchio

Process-dependent residual stresses are one of the main burdens to a wide spread adoption of laser powder bed fusion technology in industry. Residual stresses...

RULE MODEL FOR SELECTING DIMENSIONAL MEASUREMENT EQUIPMENT IN INSPECTION PLANNING

November 27, 2020

Author(s)

Shaw C. Feng, John A. Horst, Allison Barnard Feeney, Albert T. Jones

Process uncertainty can have negative impact on the part quality and is critical to safety and performance of products. Those impacts are manifested in the...

Six-sigma Quality Management of Additive Manufacturing

November 26, 2020

Author(s)

Yan Lu, Hui Yang, Paul Witherell

Quality is a key determinant in deploying new processes, products or services, and influences the adoption of emerging manufacturing technologies. The advent of...

Intertwined Density Waves in a Metallic Nickelate

November 26, 2020

Author(s)

Junjie Zhang, D. Phelan, A. S. Botana, Yu-Sheng Chen, Hong Zheng, M. Krogstad, Suyin G. Wang, Yiming Qiu, Jose Rodriguez Rivera, R. Osborn, S. Rosenkranz, M. R. Norman, J. F. Mitchell

Nickelates are a rich class of materials, ranging from insulating magnets to superconductors. But for stoichiometric materials, insulating behavior is the norm...

Boosting Membrane Hydration for High Current Densities in Membrane Electrode Assembly CO2 Electrolysis

November 25, 2020

Author(s)

Hisan W. Shafaque, ChungHyuk Lee, Kieran F. Fahy, Jason K. Lee, Jacob LaManna, Eli Baltic, Daniel S. Hussey, David L. Jacobson, Aimy Bazylak

Despite the advantages of CO2 electrolyzers, efficiency losses due to mass and ionic transport across the membrane electrode assembly (MEA) are critical...

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