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794 papers · 1 filter

hep-lat2019

2+1 Flavor Domain Wall Fermion QCD Lattices: Ensemble Production and (some) Properties

Robert D. Mawhinney

The RBC and UKQCD Collaborations continue to produce 2+1 flavor domain wall fermion ensembles, currently focusing on an ensemble with a volume on SUMMIT at ORNL w…

cond-mat.mtrl-sci2019★ 15 cited

Enhanced nonlinear interaction of polaritons via excitonic Rydberg states in monolayer WSe2

Jie Gu, Valentin Walther, Lutz Waldecker +7

Strong optical nonlinearities play a central role in realizing quantum photonic technologies. In solid state systems, exciton-polaritons, which result from the hybridization of mat…

cs.DM2019★ 3 cited

Maximum independent sets in (pyramid, even hole)-free graphs

Maria Chudnovsky, Stéphan Thomassé, Nicolas Trotignon +1

A \emph{hole} in a graph is an induced cycle with at least 4 vertices. A graph is \emph{even-hole-free} if it does not contain a hole on an even number of vertices. A \emph{pyramid…

q-fin.ST2019★ 19 cited

DP-LSTM: Differential Privacy-inspired LSTM for Stock Prediction Using Financial News

Xinyi Li, Yinchuan Li, Hongyang Yang +2

Stock price prediction is important for value investments in the stock market. In particular, short-term prediction that exploits financial news articles is promising in recent yea…

physics.plasm-ph2019★ 13 cited

Impact of a minority relativistic electron tail interacting with a thermal plasma containing high-atomic-number impurities

Nathan A. Garland, Hyun-Kyung Chung, Christopher J. Fontes +6

A minority relativistic electron component can arise in both laboratory and naturally-occurring plasmas. In the presence of high-atomic-number ion species, the ion charge state dis…

nlin.AO2019★ 3 cited

Backtracking activation impacts the criticality of excitable networks

Renquan Zhang, Guoyi Quan, Jiannan Wang +1

Networks of excitable elements are widely used to model real-world biological and social systems. The dynamic range of an excitable network quantifies the range of stimulus intensi…

cs.CR2019★ 21 cited

PAGURUS: Low-Overhead Dynamic Information Flow Tracking on Loosely Coupled Accelerators

Luca Piccolboni, Giuseppe Di Guglielmo, Luca P. Carloni

Software-based attacks exploit bugs or vulnerabilities to get unauthorized access or leak confidential information. Dynamic information flow tracking (DIFT) is a security technique…

cs.DC2019★ 45 cited

COSMOS: Coordination of High-Level Synthesis and Memory Optimization for Hardware Accelerators

Luca Piccolboni, Paolo Mantovani, Giuseppe Di Guglielmo +1

Hardware accelerators are key to the efficiency and performance of system-on-chip (SoC) architectures. With high-level synthesis (HLS), designers can easily obtain several performa…

cs.CY2019★ 1 cited

Taking Ethics, Fairness, and Bias Seriously in Machine Learning for Disaster Risk Management

Robert Soden, Dennis Wagenaar, Dave Luo +1

This paper highlights an important, if under-examined, set of questions about the deployment of machine learning technologies in the field of disaster risk management (DRM). While…

cond-mat.mes-hall2019★ 4 cited

Seeing moiré superlattices

L. J. McGilly, A. Kerelsky, N. R. Finney +17

Moiré superlattices in van der Waals (vdW) heterostructures have given rise to a number of emergent electronic phenomena due to the interplay between atomic structure and electron…

cs.MA2019

Spatial Influence-aware Reinforcement Learning for Intelligent Transportation System

Wenhang Bao, Xiao-yang Liu

Intelligent transportation systems (ITSs) are envisioned to be crucial for smart cities, which aims at improving traffic flow to improve the life quality of urban residents and red…

physics.soc-ph2019★ 17 cited

A Dynamical Systems Description of Privilege, Power and Leadership in Academia: identifying barriers and paths to inclusive communities of excellent scholarship

Kathryn V Johnston

As the diversity of people in higher education grows, Universities are struggling to provide inclusive environments that nurture the spirit of free inquiry in the presence of these…

physics.ins-det2019★ 5 cited

Large-area Si(Li) Detectors for X-ray Spectrometry and Particle Tracking for the GAPS Experiment

Field Rogers, Mengjiao Xiao, Kerstin Perez +15

Large-area lithium-drifted silicon (Si(Li)) detectors, operable 150°C above liquid nitrogen temperature, have been developed for the General Antiparticle Spectrometer (GAPS) balloo…

cs.GT2019★ 2 cited

Reducing Inefficiency in Carbon Auctions with Imperfect Competition

Kira Goldner, Nicole Immorlica, Brendan Lucier

We study auctions for carbon licenses, a policy tool used to control the social cost of pollution. Each identical license grants the right to produce a unit of pollution. Each buye…

astro-ph.GA2019★ 9 cited

Metal abundances in the MACER simulations of the hot interstellar medium

S. Pellegrini, Z. Gan, J. P. Ostriker +1

A hot plasma is the dominant phase of the interstellar medium of early-type galaxies. Its origin can reside in stellar mass losses, residual gas from the formation epoch, and accre…

astro-ph.HE2019★ 69 cited

NICER X-ray Observations of Seven Nearby Rotation-Powered Millisecond Pulsars

S. Guillot, M. Kerr, P. S. Ray +18

NICER observed several rotation-powered millisecond pulsars to search for or confirm the presence of X-ray pulsations. When broad and sine-like, these pulsations may indicate therm…

astro-ph.HE2019★ 168 cited

Constraining the Neutron Star Mass-Radius Relation and Dense Matter Equation of State with NICER. II. Emission from Hot Spots on a Rapidly Rotating Neutron Star

Slavko Bogdanov, Frederick K. Lamb, Simin Mahmoodifar +10

We describe the model of surface emission from a rapidly rotating neutron star that is applied to Neutron Star Interior Composition Explorer X-ray data of millisecond pulsars in or…

astro-ph.HE2019★ 174 cited

Constraining the Neutron Star Mass-Radius Relation and Dense Matter Equation of State with NICER. I. The Millisecond Pulsar X-ray Data Set

Slavko Bogdanov, Sebastien Guillot, Paul S. Ray +27

We present the set of deep Neutron Star Interior Composition Explorer (NICER) X-ray timing observations of the nearby rotation-powered millisecond pulsars PSRs J0437-4715, J0030+04…

astro-ph.HE2019★ 1.8k cited

PSR J0030+0451 Mass and Radius from NICER Data and Implications for the Properties of Neutron Star Matter

M. C. Miller, F. K. Lamb, A. J. Dittmann +18

Neutron stars are not only of astrophysical interest, but are also of great interest to nuclear physicists, because their attributes can be used to determine the properties of the…

astro-ph.HE2019★ 146 cited

A NICER view of PSR J0030+0451: evidence for a global-scale multipolar magnetic field

Anna V. Bilous, Anna L. Watts, Alice K. Harding +8

Recent modeling of NICER observations of thermal X-ray pulsations from the surface of the isolated millisecond pulsar PSR J0030+0451 suggests that the hot emitting regions on the p…

astro-ph.HE2019★ 272 cited

A NICER view of PSR J0030+0451: Implications for the dense matter equation of state

G. Raaijmakers, T. E. Riley, A. L. Watts +14

Both the mass and radius of the millisecond pulsar PSR J0030+0451 have been inferred via pulse-profile modeling of X-ray data obtained by NASA's NICER mission. In this Letter we st…

astro-ph.HE2019★ 1.7k cited

A NICER View of PSR J0030+0451: Millisecond Pulsar Parameter Estimation

Thomas E. Riley, Anna L. Watts, Slavko Bogdanov +13

We report on Bayesian parameter estimation of the mass and equatorial radius of the millisecond pulsar PSR J00300451, conditional on pulse-profile modeling of Neutron Star Inter…

astro-ph.HE2019★ 8 cited

Probing the Properties of the Pulsar Wind in the Gamma-Ray Binary HESS J0632+057 with NuSTAR and VERITAS Observations

A. Archer, W. Benbow, R. Bird +60

HESS J0632+057 is a gamma-ray binary composed of a compact object orbiting a Be star with a period of about days. Extensive X-ray and TeV gamma-ray observations have revealed…

cs.CV2019★ 2 cited

Individual predictions matter: Assessing the effect of data ordering in training fine-tuned CNNs for medical imaging

John R. Zech, Jessica Zosa Forde, Michael L. Littman

We reproduced the results of CheXNet with fixed hyperparameters and 50 different random seeds to identify 14 finding in chest radiographs (x-rays). Because CheXNet fine-tunes a pre…