Showing 2011Show all

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astro-ph.CO2011★ 14 cited

SSGSS: The Spitzer-SDSS-GALEX Spectroscopic Survey

Matthew J. O'Dowd, David Schiminovich, Benjamin D. Johnson +8

The Spitzer-SDSS-GALEX Spectroscopic Survey (SSGSS) provides a new sample of 101 star-forming galaxies at z < 0.2 with unprecedented multi-wavelength coverage. New mid- to far-infr…

hep-ex2011★ 448 cited

Jet energy measurement with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV

ATLAS Collaboration

The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector at the LHC in proton-proton collision data at a centre-of-mass en…

cs.HC2011★ 23 cited

Your browsing behavior for a Big Mac: Economics of Personal Information Online

Juan Pablo Carrascal, Christopher Riederer, Vijay Erramilli +2

Most online services (Google, Facebook etc.) operate by providing a service to users for free, and in return they collect and monetize personal information (PI) of the users. This…

cs.DS2011★ 49 cited

Testing -Modal Distributions: Optimal Algorithms via Reductions

Constantinos Daskalakis, Ilias Diakonikolas, Rocco A. Servedio +2

We give highly efficient algorithms, and almost matching lower bounds, for a range of basic statistical problems that involve testing and estimating the L_1 distance between two k-…

hep-ex2011★ 20 cited

Search for Higgs bosons of the minimal supersymmetric standard model in p-pbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration

We report results from searches for neutral Higgs bosons produced in p-pbar collisions recorded by the Dzero experiment at the Fermilab Tevatron Collider. We study the production o…

hep-th2011★ 57 cited

Spontaneous Symmetry Probing

Alberto Nicolis, Federico Piazza

For relativistic quantum field theories, we consider Lorentz breaking, spatially homogeneous field configurations or states that evolve in time along a symmetry direction. We dub t…

astro-ph.IM2011★ 148 cited

The Palomar Transient Factory photometric calibration

E. O. Ofek, R. Laher, N. Law +20

The Palomar Transient Factory (PTF) provides multiple epoch imaging for a large fraction of the sky. Here we describe the photometric calibration of the PTF data products that rela…

astro-ph.CO2011★ 75 cited

Comparison of Pressure Profiles of Massive Relaxed Galaxy Clusters using Sunyaev-Zel'dovich and X-ray Data

Massimiliano Bonamente, Nicole Hasler, Esra Bulbul +19

We present Sunyaev-Zel'dovich (SZ) effect observations of a sample of 25 massive relaxed galaxy clusters observed with the Sunyaev-Zel'dovich Array (SZA), an 8-element interferomet…

astro-ph.CO2011★ 68 cited

VERITAS Observations of day-scale flaring of M87 in 2010 April

E. Aliu, T. Arlen, T. Aune +88

VERITAS has been monitoring the very-high-energy (VHE; >100GeV) gamma-ray activity of the radio galaxy M87 since 2007. During 2008, flaring activity on a timescale of a few days wa…

astro-ph.IM2011★ 4 cited

High-Performance Astrophysical Simulations and Analysis with Python

Matthew J. Turk, Britton D. Smith

The usage of the high-level scripting language Python has enabled new mechanisms for data interrogation, discovery and visualization of scientific data. We present yt, an open sour…

astro-ph.CO2011★ 160 cited

Magnetic Fields in Population III Star Formation

Matthew J. Turk, Jeffrey S. Oishi, Tom Abel +1

We study the buildup of magnetic fields during the formation of Population III star-forming regions, by conducting cosmological simulations from realistic initial conditions and va…

math.PR2011★ 12 cited

Topics on abelian spin models and related problems

Julien Dubédat

In these notes, we discuss a selection of topics on several models of planar statistical mechanics. We consider the Ising, Potts, and more generally abelian spin models; the discre…

astro-ph.HE2011★ 21 cited

Gamma-Ray Emission from Two Blazars Behind the Galactic Plane: B2013+370 & B2023+336

E. Kara, M. Errando, W. Max-Moerbeck +7

B2013+370 and B2023+336 are two blazars at low-galactic latitude that were previously proposed to be the counterparts for the EGRET unidentified sources, 3EG J2016+3657 and 3EG J20…

astro-ph.IM2011★ 12 cited

The Impact of the Spectral Response of an Achromatic Half-Wave Plate on the Measurement of the Cosmic Microwave Background Polarization

C. Bao, B. Gold, C. Baccigalupi +8

We study the impact of the spectral dependence of the linear polarization rotation induced by an achromatic half-wave plate on measurements of cosmic microwave background polarizat…

math.DG2011★ 14 cited

Analysis of weighted Laplacian and applications to Ricci solitons

Ovidiu Munteanu, Jiaping Wang

We study both function theoretic and spectral properties of the weighted Laplacian on complete smooth metric measure space with its Bakry-Émery curvature $Ri…

cond-mat.mes-hall2011

High-frequency performance of graphene field effect transistors with saturating IV-characteristics

I. Meric, C. R. Dean, S. -J. Han +4

High-frequency performance of graphene field-effect transistors (GFETs) with boron-nitride gate dielectrics is investigated. Devices show saturating IV characteristics and fmax val…

astro-ph.CO2011★ 44 cited

Simulating the Cooling Flow of Cool-Core Clusters

Yuan Li, Greg L. Bryan

We carry out high-resolution adaptive mesh refinement simulations of a cool core cluster, resolving the flow from Mpc scales down to pc scales. We do not (yet) include any AGN heat…

astro-ph.IM2011★ 64 cited

The Impact of Recent Advances in Laboratory Astrophysics on our Understanding of the Cosmos

D. W. Savin, N. S. Brickhouse, J. J. Cowan +11

An emerging theme in modern astrophysics is the connection between astronomical observations and the underlying physical phenomena that drive our cosmos. Both the mechanisms respon…

cond-mat.mes-hall2011★ 56 cited

Ultrafast supercontinuum spectroscopy of carrier multiplication and biexcitonic effects in excited states of PbS quantum dots

F. Gesuele, M. Y. Sfeir, W. -K. Koh +3

We examine the multiple exciton population dynamics in PbS quantum dots by ultrafast spectrally-resolved supercontinuum transient absorption (SC-TA). We simultaneously probe the fi…

astro-ph.EP2011★ 178 cited

A General Circulation Model for Gaseous Exoplanets with Double-Gray Radiative Transfer

Emily Rauscher, Kristen Menou

We present a new version of our code for modeling the atmospheric circulation on gaseous exoplanets, now employing a "double-gray" radiative transfer scheme, which self-consistentl…

cond-mat.soft2011★ 20 cited

Free energy of alternating two-component polymer brushes on cylindrical templates

William L. Miller, Behnaz Bozorgui, Katherine Klymko +1

We use computer simulations to investigate the stability of a two-component polymer brush de-mixing on a curved template into phases of different morphological properties. It has b…

astro-ph.CO2011★ 136 cited

The GALEX Arecibo SDSS Survey V: The Relation between the HI Content of Galaxies and Metal Enrichment at their Outskirts

Sean M. Moran, Timothy M. Heckman, Guinevere Kauffmann +14

We have obtained long-slit spectra of 174 star-forming galaxies with stellar masses greater than 10^10 M_\odot from the GALEX Arecibo SDSS (GASS) survey. These galaxies have both H…

hep-ph2011★ 44 cited

Higgs Mass Prediction for Realistic String/M Theory Vacua

Gordon Kane, Piyush Kumar, Ran Lu +1

Recently it has been recognized that in compactified string/M-theories that satisfy cosmological constraints, it is possible to derive some robust and generic predictions for parti…

astro-ph.GA2011★ 76 cited

Surviving the hole I: Spatially resolved chemistry around Sgr A*

S. Martín, J. Martín-Pintado, M. Montero-Castaño +2

The interstellar region within the few central parsecs around the super-massive black hole, Sgr A* at the very Galactic center is composed by a number of overlapping molecular stru…