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782 papers · 1 filter

cs.LG2019★ 12 cited

Randomly Projected Additive Gaussian Processes for Regression

Ian A. Delbridge, David S. Bindel, Andrew Gordon Wilson

Gaussian processes (GPs) provide flexible distributions over functions, with inductive biases controlled by a kernel. However, in many applications Gaussian processes can struggle…

astro-ph.GA2019★ 41 cited

Probing the full CO spectral line energy distribution (SLED) in the nuclear region of a quasar-starburst system at

Jianan Li, Ran Wang, Dominik Riechers +14

We report Atacama Large Millimeter/submillimeter Array (ALMA) observations of CO , , and and NOrthern Extend…

astro-ph.IM2019★ 11 cited

Commercially fabricated antenna-coupled Transition Edge Sensor bolometer detectors for next generation Cosmic Microwave Background polarimetry experiment

Aritoki Suzuki, Nicholas Cothard, Adrian T. Lee +10

We report on the development of commercially fabricated multi-chroic antenna coupled Transition Edge Sensor (TES) bolometer arrays for Cosmic Microwave Background (CMB) polarimetry…

cond-mat.mes-hall2019★ 66 cited

Gate-Tunable Graphene Hall Sensors with High Magnetic Field Sensitivity

Brian T. Schaefer, Lei Wang, Alexander Jarjour +4

Solid-state magnetic field sensors are important to both modern electronics and fundamental materials science. Many types of these sensors maintain high sensitivity only in a limit…

cond-mat.mtrl-sci2019★ 218 cited

Controlling spin current polarization through non-collinear antiferromagnetism

T. Nan, C. X. Quintela, J. Irwin +20

The spin-Hall effect describes the interconversion of charge currents and spin currents, enabling highly efficient manipulation of magnetization for spintronics. Symmetry condition…

cond-mat.mtrl-sci2019★ 3 cited

Materials Relevant to Realizing a Field-Effect Transistor based on Spin-Orbit Torques

Phillip Dang, Zexuan Zhang, Joseph Casamento +6

Spin-orbit torque is a promising mechanism for writing magnetic memories, while field-effect transistors are the gold-standard device for logic operation. The spin-orbit torque fie…

quant-ph2019★ 61 cited

Engineering a Kerr-based Deterministic Cubic Phase Gate via Gaussian Operations

Ryotatsu Yanagimoto, Tatsuhiro Onodera, Edwin Ng +3

We propose a deterministic, measurement-free implementation of a cubic phase gate for continuous-variable quantum information processing. In our scheme, the applications of displac…

astro-ph.EP2019★ 18 cited

High-Resolution Transmission Spectra of Earth through Geological Time

Lisa Kaltenegger, Zifan Lin, Jack Madden

The next generation of ground- and space-based telescopes will be able to observe rocky Earth-like planets in the near future, transiting their host star. We explore how the transm…

math.PR2019★ 1 cited

Analysis of non-reversible Markov chains via similarity orbit

Michael C. H. Choi, Pierre Patie

In this paper, we develop an in-depth analysis of non-reversible Markov chains on denumerable state space from a similarity orbit perspective. In particular, we study the class of…

astro-ph.GA2019★ 49 cited

NOEMA redshift measurements of bright Herschel galaxies

R. Neri, P. Cox, A. Omont +31

Using the IRAM NOrthern Extended Millimeter Array (NOEMA), we conducted a program to measure redshifts for 13 bright galaxies detected in the Herschel Astrophysical Large Area Surv…

hep-th2019★ 93 cited

Hamiltonian deformations in quantum mechanics, , and SYK

David J. Gross, Jorrit Kruthoff, Andrew Rolph +1

Motivated by , we introduce and study a wide class of solvable deformations of quantum-mechanical theories. These deformations map the Hamiltonian to a function of itself.…

cond-mat.mtrl-sci2019★ 21 cited

Growth of CuFeO Single Crystals by the Optical Floating-Zone Technique

Nora Wolff, Tobias Schwaigert, Dietmar Siche +2

CuFeO single crystals up to 50 mm in length and up to 10 mm in diameter were grown by the optical floating-zone method. Stoichiometric polycrystalline rods with a diameter of 6…

hep-ph2019★ 19 cited

Crunching Away the Cosmological Constant Problem: Dynamical Selection of a Small

Itay M. Bloch, Csaba Csáki, Michael Geller +1

We propose a novel explanation for the smallness of the observed cosmological constant (CC). Regions of space with a large CC are short lived and are dynamically driven to crunch s…

cond-mat.supr-con2019★ 23 cited

Study of Antisite Defects in NbSn: Phase Diagram and Impact on Superconductivity

Nathan S. Sitaraman, Jared Carlson, Alden R. Pack +4

Antisite defects play a critical role in NbSn superconducting radio frequency (SRF) cavity physics. Such defects are the primary form of disorder in NbSn, and are responsib…

cs.LG2019★ 5 cited

Polynomial Matrix Completion for Missing Data Imputation and Transductive Learning

Jicong Fan, Yuqian Zhang, Madeleine Udell

This paper develops new methods to recover the missing entries of a high-rank or even full-rank matrix when the intrinsic dimension of the data is low compared to the ambient dimen…

physics.flu-dyn2019★ 49 cited

To Seal or Not To Seal

Javad Eshraghi, Sunghwan Jung, Pavlos P. Vlachos

When an object impacts the free surface of a liquid, it ejects a splash curtain upwards and creates an air cavity below the free surface. As the object descends into the liquid, th…

astro-ph.GA2019★ 2 cited

Realistic Models for Filling and Abundance Discrepancy Factors in Photoionised Nebulae

Brandon M. Bergerud, Steven R. Spangler, Kara M. Beauchamp

When comparing nebular electron densities derived from collisionally excited lines (CELs) to those estimated using the emission measure, significant discrepancies are common. The s…

cs.CY2019★ 217 cited

The Hidden Assumptions Behind Counterfactual Explanations and Principal Reasons

Solon Barocas, Andrew D. Selbst, Manish Raghavan

Counterfactual explanations are gaining prominence within technical, legal, and business circles as a way to explain the decisions of a machine learning model. These explanations s…

cond-mat.mtrl-sci2019★ 60 cited

Oxygen Incorporation in the MBE growth of ScxGa1-xN and ScxAl1-xN

Joseph Casamento, Huili Grace Xing, Debdeep Jena

Secondary-ion Mass Spectrometry (SIMS) is used to determine impurity concentrations of carbon and oxygen in two scandium containing nitride semiconductor multilayer heterostructure…

cond-mat.mtrl-sci2019★ 9 cited

Non-thermal fluence threshold for femtosecond pulsed x-ray radiation damage in perovskite complex oxide epitaxial heterostructures

Hyeon Jun Lee, Youngjun Ahn, Samuel D. Marks +13

Intense hard x-ray pulses from a free-electron laser induce irreversible structural damage in a perovskite oxide epitaxial heterostructure when pulse fluences exceed a threshold va…

hep-lat2019★ 2 cited

The hadronic vacuum polarization of the muon from four-flavor lattice QCD

C. T. H. Davies, C. E. DeTar, A. X. El-Khadra +16

We present an update on the ongoing calculations by the Fermilab Lattice, HPQCD, and MILC Collaboration of the leading-order (in electromagnetism) hadronic vacuum polarization cont…

cs.CL2019★ 2 cited

Biomedical Evidence Generation Engine

Sendong Zhao, Fei Wang

With the rapid development of precision medicine, a large amount of health data (such as electronic health records, gene sequencing, medical images, etc.) has been produced. It enc…

astro-ph.HE2019★ 48 cited

The NANOGrav 11-Year Data Set: Limits on Gravitational Wave Memory

K. Aggarwal, Z. Arzoumanian, P. T. Baker +58

The mergers of supermassive black hole binaries (SMBHBs) promise to be incredible sources of gravitational waves (GWs). While the oscillatory part of the merger gravitational wavef…

astro-ph.IM2019★ 1 cited

Characterization of aliased noise in the Advanced ACTPol receiver

Patricio A. Gallardo, Michael D. Niemack, Jason E. Austermann +14

Advanced ACTPol is the second generation polarization-sensitive upgrade to the aperture Atacama Cosmology Telescope (ACT), which increased detector count and frequency…