output
19952026
most citedThe virtual crystal approximation revisited: Application to dielectric and piezoelectric properties of perovskites

912 citations

Showing 2020Show all

60 papers · 1 filter

math.AP2020★ 1 cited

Global weak solutions of the Navier-Stokes equations for intermittent initial data in half-space

Zachary Bradshaw, Igor Kukavica, Wojciech S. Ożański

We prove existence of global-in-time weak solutions of the incompressible Navier-Stokes equations in the half-space with initial data in a weighted space that allo…

eess.IV2020

Flow-based Deformation Guidance for Unpaired Multi-Contrast MRI Image-to-Image Translation

Toan Duc Bui, Manh Nguyen, Ngan Le +1

Image synthesis from corrupted contrasts increases the diversity of diagnostic information available for many neurological diseases. Recently the image-to-image translation has exp…

astro-ph.IM2020★ 79 cited

Self-Supervised Representation Learning for Astronomical Images

Md Abul Hayat, George Stein, Peter Harrington +2

Sky surveys are the largest data generators in astronomy, making automated tools for extracting meaningful scientific information an absolute necessity. We show that, without the n…

astro-ph.EP2020★ 109 cited

Distribution and habitability of (meta)stable brines on present-day Mars

Edgard G. Rivera-Valentín, Vincent F. Chevrier, Alejandro Soto +1

Special Regions on Mars are defined as environments able to host liquid water that meets certain temperature and water activity requirements that allow known terrestrial organisms…

cs.SI2020★ 8 cited

ODT Flow Explorer: Extract, Query, and Visualize Human Mobility

Zhenlong Li, Xiao Huang, Xinyue Ye +1

Understanding human mobility dynamics among places provides fundamental knowledge regarding their interactive gravity, benefiting a wide range of applications in need of prior know…

astro-ph.GA2020★ 90 cited

The Metallicity Dependence of the High-Mass X-ray Binary Luminosity Function

Bret D. Lehmer, Rafael T. Eufrasio, Antara Basu-Zych +7

We present detailed constraints on the metallicity dependence of the high mass X-ray binary (HMXB) X-ray luminosity function (XLF). We analyze ~5 Ms of Chandra data for 55 actively…

cond-mat.str-el2020★ 12 cited

Probing the pathway of an ultrafast structural phase transition to illuminate the transition mechanism in Cu2S

Junjie Li, Kai Sun, Jun Li +17

Disentangling the primary order parameter from secondary order parameters in phase transitions is critical to the interpretation of the transition mechanisms in strongly correlated…

math.NT2020★ 3 cited

A -adic adjoint -function and the ramification locus of the Hilbert modular eigenvariety

Baskar Balasubramanyam, John Bergdall, Matteo Longo

Let be a totally real field and the middle-degree eigenvariety for Hilbert modular forms over , constructed by Bergdall--Hansen. We study the ramification locu…

astro-ph.EP2020★ 43 cited

Voluminous silica precipitated from martian waters during late-stage aqueous alteration

L. Pan, J. Carter, C. Quantin-Nataf +6

Mars' transition from an early "warm and wet" to the "cold and dry" environment left fingerprints on the geological record of fluvial activity on Mars. The morphological and minera…

astro-ph.GA2020★ 16 cited

Evidence in favour of density wave theory through star formation history maps and spatially resolved stellar clusters

Shameer Abdeen, Daniel Kennefick, Julia Kennefick +7

Stationary Density Wave Theory predicts the existence of an age gradient across the spiral arms with a phase crossing at the co-rotation radius. Using star formation history (SFH)…

cond-mat.mtrl-sci2020★ 27 cited

Thermoelectricity of Tin Selenide Monolayers Across a Structural Phase Transition

John W. Villanova, Salvador Barraza-Lopez

SnSe monolayers experience a temperature induced two-dimensional Pnm2 P4/nmm structural transformation precipitated by the softening of vibrational modes. The standard theo…

cs.LG2020★ 7 cited

Fairness-aware Agnostic Federated Learning

Wei Du, Depeng Xu, Xintao Wu +1

Federated learning is an emerging framework that builds centralized machine learning models with training data distributed across multiple devices. Most of the previous works about…

physics.app-ph2020★ 15 cited

Study of SiGeSn/GeSn single quantum well towards high-performance all-group-IV optoelectronics

Grey Abernathy, Yiyin Zhou, Solomon Ojo +8

The recent progress on (Si)GeSn optoelectronic devices holds a great promising for photonic integration on the Si substrate. In parallel to the development of bulk devices, the (Si…

quant-ph2020★ 127 cited

SeQUeNCe: A Customizable Discrete-Event Simulator of Quantum Networks

Xiaoliang Wu, Alexander Kolar, Joaquin Chung +4

Recent advances in quantum information science enabled the development of quantum communication network prototypes and created an opportunity to study full-stack quantum network ar…

cond-mat.mes-hall2020★ 21 cited

Beyond Graphene: Low-Symmetry and Anisotropic 2D Materials

Salvador Barraza-Lopez, Fengnian Xia, Wenjuan Zhu +1

Low-symmetry 2D materials---such as ReS and ReSe monolayers, black phosphorus monolayers, group-IV monochalcogenide monolayers, borophene, among others---have more complex…

astro-ph.HE2020★ 13 cited

On the X-ray Spectral Energy Distributions of Star-Forming Galaxies: the 0.3-30 keV Spectrum of the Low-Metallicity Starburst Galaxy VV 114

Kristen Garofali, Bret D. Lehmer, Antara Basu-Zych +6

Binary population synthesis combined with cosmological models suggest that X-ray emission from star-forming galaxies, consisting primarily of emission from X-ray binaries (XRBs) an…

quant-ph2020★ 30 cited

Non-Gaussian Nature and Entanglement of Spontaneous Parametric Nondegenerate Triple-Photon Generation

D. Zhang, Y. Cai, Z. Zheng +4

How to prepare deterministically non-Gaussian entangled states is a fundamental question for continuous-variable quantum information technology. Here, we theoretically demonstrate…

cond-mat.mes-hall2020★ 162 cited

Colloquium: Physical properties of group-IV monochalcogenide monolayers

Salvador Barraza-Lopez, Benjamin M. Fregoso, John W. Villanova +2

We survey the state-of-the-art knowledge of ferroelectric and ferroelastic group-IV monochalcogenide monolayers. These semiconductors feature remarkable structural and mechanical p…

astro-ph.GA2020★ 24 cited

Chandra reveals a luminous Compton-thick QSO powering a blob in a starbursting protocluster

Fabio Vito, William Nielsen Brandt, Bret Darby Lehmer +7

Galaxy clusters in the local universe descend from high-redshift overdense regions known as protoclusters. The large gas reservoirs and high rate of galaxy interaction in protoclus…

astro-ph.GA2020★ 91 cited

A census of ultraluminous X-ray sources in the local Universe

Konstantinos Kovlakas, Andreas Zezas, Jeff J. Andrews +5

Using the Chandra Source Catalog 2.0 and a newly compiled catalogue of galaxies in the local Universe, we deliver a census of ultraluminous X-ray source (ULX) populations in nearby…

eess.SP2020★ 43 cited

Massively Distributed Antenna Systems with Non-Ideal Optical Fiber Front-hauls: A Promising Technology for 6G Wireless Communication Systems

Lisu Yu, Jingxian Wu, Andong Zhou +2

Employing massively distributed antennas brings radio access points (RAPs) closer to users, thus enables aggressive spectrum reuse that can bridge gaps between the scarce spectrum…

physics.optics2020★ 161 cited

Brillouin-Kerr soliton frequency combs in an optical microresonator

Yan Bai, Menghua Zhang, Qi Shi +4

By generating a Brillouin laser in an optical microresonator, we realize a soliton Kerr microcomb through exciting the Kerr frequency comb using the generated Brillouin laser in th…

math.OC2020★ 3 cited

A Stochastic Lookahead Approach for Hurricane Relief Logistics Operations Planning under Uncertainty

Yanbin Chang, Yongjia Song, Burak Eksioglu

In the aftermath of a hurricane, humanitarian logistics plays a critical role in delivering relief items to the affected areas in a timely fashion. This paper proposes a novel stoc…

physics.app-ph2020

Integration of multi-layer black phosphorus into photoconductive antennas for THz emission

M. H. Doha, J. I. Santos Batista, A. F. Rawwagah +6

We report the fabrication, characterization, and modeling of photoconductive antennas using 40 nm thin-film flakes of black phosphorus (BP) as the photoconductor and hexagonal boro…