Journals

Revealing the emergence of classicality in nitrogen-vacancy centers

October 1, 2019

Author(s)

Thomas Unden, Daniel Louzon, Michael P. Zwolak, Wojciech Zurek, Fedor Jelezko

The origin of classical behavior of quantum systems is a long-standing mystery. Here, we examine a nitrogen vacancy center evolving naturally in the presence of

Field-Tunable Quantum Disordered Ground State in the Triangular-Lattice Antiferromagnet NaYbO₂

October 1, 2019

Author(s)

Mitchell M. Bordelon, Eric Kenney, Chunxiao Liu, Tom Hogan, Lorenzo Posthuma, Marzieh Kavand, Yuangqi Lyu, Mark Sherwin, Nicholas Butch, Craig Brown, M. J. Graf, Leon Balents, Stephen D. Wilson

One of the simplest routes to pursuing magnets with strong quantum fluctuations that quench conventional order is via decorating a triangular lattice with

Broadband Resonator-Waveguide Coupling for Efficient Extraction of Octave Spanning Microcombs

October 1, 2019

Author(s)

Gregory Moille, Qing Li, Travis Briles, Su P. Yu, Tara E. Drake, Xiyuan Lu, Ashutosh Rao, Daron Westly, Scott Papp, Kartik Srinivasan

Frequency combs spanning over an octave have been successfully demonstrated on-chip in Kerr nonlinear microresonators, thanks to their large effective

Microstructure of Neat and SBS Modified Asphalt Binder by Small-Angle Neutron Scattering

October 1, 2019

Author(s)

Liyan Shan, Ru Xie, Norman J. Wagner, Hongsen He, Yun Liu

The microstructure of asphalt binders has been believed to have a significant impact on the performance of binders used in roadway constructions. However, there

Numerical solution of inward solidification of a dilute ternary solution towards a semi-permeable spherical cell

October 1, 2019

Author(s)

Daniel M. Anderson, James Benson, Anthony J. Kearsley

We study a free-boundary problem arising in the cryopreservation of a biological cell. In particular, we examine a spherically-symmetric model of a biological

Oxidative Potential of Particles at a Research House: Influencing Factors and Comparison with Outdoor Particles

October 1, 2019

Author(s)

Shahana S. Khurshid, Steven Emmerich, Andrew K. Persily

The oxidative potential (OP) of particles can be represented by the ability of particles to generate hydroxyl radicals in an aqueous solution which can be

Lattice theory for binding of linear polymers to a solid substrate from polymer melts: II. Influence of van der Waals interactions and chain semi?exibility on molecular binding and adsorption

September 30, 2019

Author(s)

Jack F. Douglas, Jacek Dudowicz, Karl Freed

The Polymeric Langmuir Theory (PLT), developed in Paper I, is employed to investigate the inﬂuence of van der Waals interactions and chain rigidity on the

Systematic uncertainty due to background-gas collisions in trapped-ion optical clocks

September 30, 2019

Author(s)

Aaron M. Hankin, Ethan Clements, Huang Yao, Samuel M. Brewer, Jwo-Sy Chen, Chin-wen Chou, David Hume, David Leibrandt

We describe a framework for calculating the frequency shift and uncertainty of trapped-ion optical atomic clocks caused by background-gas collisions, and apply

Phonon Dispersion of Mo-stabilized -γ-U measured using Inelastic X-ray Scattering

September 30, 2019

Author(s)

Z. E. Brubaker, Sheng NMN Ran, A. H. Said, M. E. Manley, P. Soderlind, D. Rosas, Y. Idell, R. J. Zieve, Nicholas Butch, J. R. Jeffries

We have measured the room-temperature phonon spectrum of Mo-stabilized γ−U. The dispersion curves show unusual softening near the H point, q=[1/2,1/2,1/2]

Study of the neutron spin-orbit interaction in silicon

September 29, 2019

Author(s)

Thomas R. Gentile, Michael G. Huber, Muhammad D. Arif, Daniel Hussey, David Jacobson, Donald D. Koetke, Murray Peshkin, Thomas Dombeck, Paul Nord, Dimitry A. Pushin, Robert Smither

The neutron spin-orbit interaction, which results from the interaction of a moving neutron's magnetic dipole moment (MDM) with the atomic electric fields

Characterization of the Ultralow Interfacial Tension in Liquid-Liquid Phase Separated Polyelectrolyte Complex Coacervates by the Deformed Drop Retraction Method

September 27, 2019

Author(s)

Vivek M. Prabhu, Samim Ali

Tensile Testing of Aged Flexible Unidirectional Composite Laminates for Body Armor

September 27, 2019

Author(s)

Amy E. Engelbrecht-Wiggans, Faraz A. Burni, Amanda L. Forster

Flexible Unidirectional (UD) composite laminates are commonly being used for ballistic- resistant body armor. These laminates are comprised of UD layers, each

Lattice theory for binding of linear polymers to a solid substrate from polymer melts: I. In?uence of chain connectivity on molecular binding and adsorption

September 27, 2019

Author(s)

Jack F. Douglas, J Dudowicz, Freed Karl

Most theories of the molecular binding to surfaces, or between molecules, treat the binding species as structureless entities and further neglect their rigidity

Pumpless Microfluidic Devices for Generating Healthy and Diseased Endothelia

September 27, 2019

Author(s)

Yang Yang, Parinaz Fathi, Glenn Holland, Dipanjan Pan, Nam Wang, Mandy Esch

We have developed a pumpless cell culture platform that can recirculate small amounts of cell culture medium (400 µL) in a unidirectional or bidirectional flow

Discriminative potential of ion mobility spectrometry for the detection of fentanyl and fentanyl analogues relative to confounding environmental interferents

September 27, 2019

Author(s)

Thomas Forbes, Jeffrey Lawrence, Jennifer R. Verkouteren, R. Michael Verkouteren

The opioid crisis and emergence of fentanyl, fentanyl analogues, and other synthetic opioids has highlighted the need for sensitive and robust detection for

Separation and detection of trace fentanyl from complex mixtures using gradient elution moving boundary electrophoresis

September 27, 2019

Author(s)

Shannon T. Krauss, Thomas Forbes, David Ross

The current opioid epidemic remains an ongoing challenge, exacerbated by the extreme potency of synthetic opioids (e.g., fentanyl and fentanyl analogues)

Kerr Microresonator Soliton Frequency Combs at Cryogenic Temperatures

September 27, 2019

Author(s)

Gregory Moille, Xiyuan Lu, Ashutosh Rao, Qing Li, Daron Westly, Leonardo Ranzani, Scott Papp, Mohammad Soltani, Kartik Srinivasan

We present measurements of silicon nitride nonlinear microresonators and frequency comb generation at cryogenic temperatures as low as 7 K. A resulting two

Screening of Chemical Libraries Using a Yeast Model of Retinal Disease

September 26, 2019

Author(s)

Benjamin M. Scott

Retinitis pigmentosa (RP) is a degenerative retinal disease, often caused by mutations in the G protein-coupled receptor rhodopsin. The majority of pathogenic

The Interfacial Zone in Thin Polymer Films and Around Nanoparticles in Polymer Nanocomposites

September 26, 2019

Author(s)

Jack F. Douglas, Wengang Zhang, Hamed Emamy, Fernando Vargas-Lara, Beatriz Betancourt, Francis W. Starr

We perform coarse-grained simulations of model unentangled polymer materials to quantify the range over which interfaces alter the structure and dynamics in the

Effects of Al-Si Coating and Zn Coating on the Hydrogen Uptake and Embrittlement of Ultra-High Strength Press-Hardened Steel

September 25, 2019

Author(s)

Kyoung Rae Jo, Lawrence Cho, Dimas H. Sulistiyo, Eun Jung Seo, Seong Woo Kim, Bruno C. De Cooman

Press-hardened steel (PHS), used for automotive safety-related structure parts, is sensitive to hydrogen embrittlement due to its martensitic microstructure

Characterization of Zinc Carboxylates in an Oil Paint Test Panel

September 25, 2019

Author(s)

Christine Romano, Thomas Lam, G. Asher Newsome, Joshua A. Taillon, Nicole Little, Jia-sun Tsang

Zinc (carboxylate) soaps, formed by reactions between zinc oxide (ZnO) and fatty acids in a drying oil, are known to cause deterioration in the paint layers of

A general approach to multicomponent metal-decorated crumpled reduced graphene oxide nanocomposites using a flame-based process

September 25, 2019

Author(s)

Mohammad M. Mohammadi, Shikuan Shao, Santosh S. Gunturi, Anirudh R. Raghavan, Naveshkaanth Alexander, Christopher Stafford, Raymond D. Buchner, Mark Swihart

A general approach to multicomponent metal-decorated crumpled reduced graphene oxide nanocomposites using a flame-based process Mohammad Moein Mohammadi1

Nonlinear Silicon waveguides produce tunable frequency combs spanning 2.0-8.5 ?m

September 25, 2019

Author(s)

Nima Nader, Abijith S. Kowligy, Jeffrey T. Chiles, Eric J. Stanton, Henry R. Timmers, Alexander J. Lind, Kimberly Briggman, Scott Diddams, Flavio Caldas da Cruz, Richard Mirin, Sae Woo Nam, Daniel M. Lesko

We present fully air clad suspended-silicon waveguides for efficient nonlinear interactions limited only by the silicon transparency. Novel fork-shaped couplers

Can deep learning save us and itself from the avalanche of threats in cyberspace?

September 24, 2019

Author(s)

Apostol T. Vassilev

I present a computationally efficient and accurate feedforward neural network for sentiment prediction capable of maintaining high transfer accuracy when

Ultrathin Interfacial Layer with Suppressed Room Temperature Magnetization in Magnesium Aluminum Ferrite Thin Films

September 24, 2019

Author(s)

Jacob J. Wisser, Satoru Emori, Lauren Riddiford, Aaron Altman, Peng Li, Krishnamurthy Mahalingam, Brittany T. Urwin, Brandon M. Howe, Michael R. Page, Alexander Grutter, Brian Kirby, Yuri Suzuki

Low-damping magnetic oxide thin films with small thicknesses are essential for efficient insulator spintronic devices, particularly those driven by spin torques

Hot isostatic pressing (HIP) to achieve isotropic microstructure and retain as-built strength in additive manufacturing titanium alloy (Ti-6Al-4V)

September 23, 2019

Author(s)

Jake T. Benzing, Nikolas W. Hrabe, Timothy P. Quinn, Ryan M. White, Ross A. Rentz, Magnus Ahlfors

Hot isostatic pressing (HIP) treatments are used to seal internal porosity because defects exist in as-built Ti-6Al-4V parts produced by electron beam melting

Near-infrared photonic phase-change properties of transition metal ditellurides.

September 23, 2019

Author(s)

Albert Davydov, Sergiy Krylyuk, Yifei Li, Akshay Singh, Rafael Jaramillo

We use the (Mo,W)Te2 system to explore the potential of transition metal dichalcogenides (TMDs) as phasechange materials for integrated photonics. We measure

Strain Shifts under Stress-controlled Oscillatory Shearing in Theoretical, Experimental and Structural Perspectives: Application to Probing Zero-Shear Viscosity

September 23, 2019

Author(s)

Johnny Ching-Wei Lee, Yu-Tong Hong, Kathleen Weigandt, Elizabeth Kelley, Hyunjoon Kong, Simon A. Rogers

Strain response under stress-driven oscillatory shearing could shift from the origin. The phenomenology is experimentally confirmed with entangled polymer-like

Exceeding the Sauter-Schwinger limit of pair production with a quantum gas

September 21, 2019

Author(s)

Alina M. Pineiro Escalera, Mingwu Lu, Dina Genkina, Ian Spielman

We quantum-simulated particle-antiparticle pair production with a bosonic quantum gas in an optical lattice by emulating the requisite 1d Dirac equation and

Report from the STRAND Working Group on the 2019 STR Sequence Nomenclature Meeting

September 21, 2019

Author(s)

Katherine Gettings, David Ballard, Martin Bodner, Lisa Borsuk, Jonathan King, Walther Parson, Christopher Phillips

This report summarizes topics discussed at the STR sequence nomenclature meeting hosted by the STRAND Working Group in April 2019. Invited attendees for this