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277 papers · 1 filter

astro-ph.CO2018★ 42 cited

Dark Energy Survey Year 1 results: Validation of weak lensing cluster member contamination estimates from P(z) decomposition

T. N. Varga, J. DeRose, D. Gruen +68

Weak lensing source galaxy catalogs used in estimating the masses of galaxy clusters can be heavily contaminated by cluster members, prohibiting accurate mass calibration. In this…

math.DG2018★ 2 cited

Current progress on --instantons over twisted connected sums

Henrique N. Sá Earp

We review a method to construct --instantons over compact --manifolds arising as the twisted connected sum of a matching pair of Calabi-Yau -folds with cylin…

physics.ins-det2018★ 10 cited

Neutrinos Angra experiment: commissioning and first operational measurements

H. P. Lima, J. A. M. Alfonzo, J. C. Anjos +17

The Neutrinos Angra Experiment has completed a major step by finishing the comissioning of the detector and the data acquisition system at the experimental site located in the Angr…

astro-ph.CO2018★ 75 cited

A New RASS Galaxy Cluster Catalog with Low Contamination Extending to in the DES Overlap Region

Matthias Klein, Sebastian Grandis, Joseph Mohr +2

We present the MARD-Y3 catalog of between 1086 and 2171 galaxy clusters (52\% and 65\% new) produced using multi-component matched filter (MCMF) followup in 5000\,deg of DES-Y3…

astro-ph.CO2018★ 49 cited

Is the tension suggesting a 4th neutrino's generation?

S. Carneiro, P. C. de Holanda, C. Pigozzo +1

Flavour oscillations experiments are suggesting the existence of a sterile, th neutrino's generation with a mass of an eV order. This would mean an additional relativistic degre…

cond-mat.str-el2018★ 10 cited

Isospin-phonon coupling and Fano-interference in spin-orbit Mott insulator Sr2IrO4

Kousik Samanta, Danilo Rigitano, Pascoal Jose Giglio Pagliuso +1

The isospin-phonon coupling in Sr2IrO4 is investigated by temperature dependent phonon Raman scattering. Anomalous behavior in the frequency of all studied optical phonons is obser…

astro-ph.HE2018★ 105 cited

Superluminous Supernovae from the Dark Energy Survey

C. R. Angus, M. Smith, M. Sullivan +72

We present a sample of 21 hydrogen-free superluminous supernovae (SLSNe-I), and one hydrogen-rich SLSN (SLSN-II) detected during the five-year Dark Energy Survey (DES). These SNe,…

astro-ph.CO2018★ 104 cited

Dark Energy Survey Year 1 results: Detection of Intra-cluster Light at Redshift 0.25

Y. Zhang, B. Yanny, A. Palmese +69

Using data collected by the Dark Energy Survey (DES), we report the detection of intracluster light (ICL) with galaxy clusters in the redshift range of 0.2-0.3. We design…

astro-ph.HE2018★ 21 cited

A Search for Optical Emission from Binary-Black-Hole Merger GW170814 with the Dark Energy Camera

Z. Doctor, R. Kessler, K. Herner +96

Binary black hole (BBH) mergers found by the LIGO and Virgo detectors are of immense scientific interest to the astrophysics community, but are considered unlikely to be sources of…

nucl-ex2018★ 23 cited

Charged-particle pseudorapidity density at mid-rapidity in p-Pb collisions at = 8.16 TeV

ALICE Collaboration

The pseudorapidity density of charged particles, $\rm{d}\it{N}_\rm{ch}/\rm{d}\itη$, in p-Pb collisions has been measured at a centre-of-mass energy per nucleon-nucleon pair of $\sq…

math.DS2018

Classification of Conditional Measures Along Certain Invariant One-Dimensional Foliations

Marcielis Espitia, Gabriel Ponce, Régis Varão

Let be a homeomorphism over a compact Riemannian manifold, ergodic with respect to a measure defined on the completion of the Borel -algebra and a $f…

physics.plasm-ph2018★ 7 cited

The role of vibrational temperature variations in a pulsed dielectric barrier discharge plasma device

Fellype do Nascimento, Stanislav Moshkalev, Munemasa Machida

The use of dielectric barrier discharge (DBD) plasmas has become a practical way to carry out surface treatment and one seeks to do it in a more efficient way, which requires to ha…

astro-ph.GA2018★ 19 cited

Candidate Massive Galaxies at in the Dark Energy Survey

Pierandrea Guarnieri, Claudia Maraston, Daniel Thomas +52

Using stellar population models, we predicted that the Dark Energy Survey (DES) - due to its special combination of area (5000 deg. sq.) and depth () - would be in the po…

gr-qc2018★ 34 cited

On higher derivative corrections to the inflationary model

Ana R. Romero Castellanos, Flavia Sobreira, Ilya L. Shapiro +1

The model is successful in describing inflation, as it provides an excellent fit to the full set of available observational data. On the other hand, the same model is the s…

astro-ph.EP2018★ 10 cited

Astrometry and Occultation predictions to Trans-Neptunian and Centaur Objects observed within the Dark Energy Survey

Martin Banda-Huarca, Julio Camargo, Josselin Desmars +59

Transneptunian objects (TNOs) are a source of invaluable information to access the history and evolution of the outer solar system. However, observing these faint objects is a diff…

cs.CV2018★ 59 cited

Ensemble of Multi-View Learning Classifiers for Cross-Domain Iris Presentation Attack Detection

Andrey Kuehlkamp, Allan Pinto, Anderson Rocha +2

The adoption of large-scale iris recognition systems around the world has brought to light the importance of detecting presentation attack images (textured contact lenses and print…

nucl-th2018

Testing a best-fit hydrodynamical model using PCA

Tiago Nunes da Silva, David Dobrigkeit Chinellato, Rafael Derradi de Souza +4

Recently, a comprehensive Bayesian analysis was performed to simultaneously extract the values of a number of hydrodynamic parameters necessary for compatibility with a limited set…

math.DS2018★ 5 cited

Critical velocity in kink-defect interaction models: rigorous results

Otávio M. L. Gomide, Marcel Guardia, Tere M. Seara

In this work we study a model of interaction of kinks of the sine-Gordon equation with a weak defect. We obtain rigorous results concerning the so-called critical velocity derived…

astro-ph.CO2018★ 23 cited

First Cosmology Results Using Type Ia Supernovae from the Dark Energy Survey: Effects of Chromatic Corrections to Supernova Photometry on Measurements of Cosmological Parameters

J. Lasker, R. Kessler, D. Scolnic +78

Calibration uncertainties have been the leading systematic uncertainty in recent analyses using type Ia Supernovae (SNe Ia) to measure cosmological parameters. To improve the calib…

cond-mat.mes-hall2018★ 161 cited

Edge states and topological pumping in elastic lattices with periodically modulated coupling

Matheus I. N. Rosa, Raj Kumar Pal, José R. F. Arruda +1

We investigate the dispersion topology of elastic lattices characterized by spatial stiffness modulation. The modulation is defined by the sampling of a two-dimensional surface, wh…

physics.optics2018★ 71 cited

mid-infrared frequency comb generation and stabilization with few-cycle pulses

Alexander J. Lind, Abijith Kowligy, Henry Timmers +5

Mid-infrared laser frequency combs are compelling sources for precise and sensitive metrology with applications in molecular spectroscopy and spectro-imaging. The infrared atmosphe…

cond-mat.mtrl-sci2018

Giant reversible barocaloric effects in Nitrile Butadiene Rubber around room temperature

E. O. Usuda, W. Imamura, N. M. Bom +2

Elastomers have shown to be promising barocaloric materials, being suitable candidates for solid-state cooling devices. Moreover, this family of polymers presents additional advant…

eess.SY2018

The Burst Failure Influence on the Norm

Leonardo de P. Carvalho, Jonathan M. Palma, Lucas P. Moreira +1

In this work, we present an analysis of the Burst failure effect in the norm. We present a procedure to perform an analysis between different Markov Chain models and a n…

math.RA2018★ 5 cited

The universal conservative superalgebra

Ivan Kaygorodov, Yury Popov, Alexandr Pozhidaev

We introduce the class of conservative superalgebras, in particular, the superalgebra of bilinear operations on a superspace Moreover, we show that each conse…