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Showing 2011Show all

531 papers · 1 filter

cond-mat.mes-hall2011★ 8 cited

Non-linear spin to charge conversion in mesoscopic structures

Peter Stano, Jaroslav Fabian, Philippe Jacquod

Motivated by recent experiments [Vera-Marun et al., arXiv:1109.5969], we formulate a non-linear theory of spin transport in quantum coherent conductors. We show how a mesoscopic co…

astro-ph.SR2011★ 74 cited

High resolution spectroscopy of Ne II emission from young stellar objects

G. G. Sacco, E. Flaccomio, I. Pascucci +6

Constraining the spatial and thermal structure of the gaseous component of circumstellar disks is crucial to understand star and planet formation. Models predict that the [Ne II] l…

cs.DM2011

Computing Cartograms with Optimal Complexity

Md. Jawaherul Alam, Therese Biedl, Stefan Felsner +3

In a rectilinear dual of a planar graph vertices are represented by simple rectilinear polygons and edges are represented by side-contact between the corresponding polygons. A rect…

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…

astro-ph.HE2011★ 85 cited

On the Amplification of Magnetic Field by a Supernova Blast Shock Wave in a Turbulent Medium

Fan Guo, Shengtai Li, Hui Li +3

We have performed extensive two-dimensional magnetohydrodynamic simulations to study the amplification of magnetic fields when a supernova blast wave propagates into a turbulent in…

astro-ph.CO2011★ 37 cited

Star Formation and AGN activity in Galaxies classified using the 1.6 μm Bump and PAH features at

Hitoshi Hanami, Tsuyoshi Ishigaki, Naofumi Fujishiro +17

We have studied the star-formation and AGN activity of massive galaxies in the redshift range , which are detected in a deep survey field using the AKARI InfraRed (IR) ast…

hep-ph2011★ 7 cited

Kaluza-Klein Masses and Couplings: Radiative Corrections to Tree-Level Relations

Sky Bauman, Keith R. Dienes

The most direct experimental signature of a compactified extra dimension is the appearance of towers of Kaluza-Klein particles obeying specific mass and coupling relations. However…

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…

nucl-th2011★ 7 cited

Strangeness and Quark--Gluon Plasma

Jan Rafelski

I review the foundational motivation which led us to the ultra relativistic heavy ion collision research at SPS, RHIC and now LHC: the quantum vacuum structure; the deconfined natu…

astro-ph.SR2011★ 60 cited

Is the massive young cluster Westerlund I bound?

Michiel Cottaar, Michael R. Meyer, Morten Andersen +1

Context. Westerlund I is the richest young cluster currently known in our Galaxy, making it one of the most massive clusters for which we can resolve the individual stars even in t…

astro-ph.CO2011★ 39 cited

Photon Geodesics in FRW Cosmologies

Ojeh Bikwa, Fulvio Melia, Andrew Shevchuk

The Hubble radius is a particular manifestation of the Universe's gravitational horizon, R_h(t_0)=c/H_0, the distance beyond which physical processes remain unobservable to us at t…

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★ 203 cited

The SDSS Coadd: 275 deg^2 of Deep SDSS Imaging on Stripe 82

James Annis, Marcelle Soares-Santos, Michael A. Strauss +17

We present details of the construction and characterization of the coaddition of the Sloan Digital Sky Survey Stripe 82 \ugriz\ imaging data. This survey consists of 275 deg of…

hep-lat2011★ 9 cited

B and D meson decay constants from 2+1 flavor improved staggered simulations

E. T. Neil, Jon A. Bailey, A. Bazavov +21

We give an update on simulation results for the decay constants f_B, f_{B_s}, f_D and f_{D_s}. These decay constants are important for precision tests of the standard model, in par…

astro-ph.EP2011★ 123 cited

An icy Kuiper-Belt around the young solar-type star HD 181327

J. Lebreton, J. -C. Augereau, W. -F. Thi +18

HD 181327 is a young F5/F6V star belonging to the Beta Pictoris moving group (12 Myr). It harbors an optically thin belt of circumstellar material at 90 AU. We aim to study the dus…

astro-ph.CO2011★ 169 cited

A spectacular outflow in an obscured quasar

Jenny E. Greene, Nadia L. Zakamska, Paul S. Smith

SDSS J1356+1026 is a pair of interacting galaxies at redshift z=0.123 that hosts a luminous obscured quasar in its northern nucleus. Here we present two long-slit Magellan LDSS-3 s…

astro-ph.EP2011★ 33 cited

WISE/NEOWISE observations of Active Bodies in the Main Belt

James M. Bauer, A. K. Mainzer, Tommy Grav +22

We report results based on mid-infrared photometry of 5 active main belt objects (AMBOs) detected by the Wide-field Infrared Survey Explorer (WISE) spacecraft. Four of these bodies…

hep-lat2011★ 199 cited

B- and D-meson decay constants from three-flavor lattice QCD

A. Bazavov, C. Bernard, C. M. Bouchard +20

We calculate the leptonic decay constants of B_{(s)} and D_{(s)} mesons in lattice QCD using staggered light quarks and Fermilab bottom and charm quarks. We compute the heavy-light…

astro-ph.EP2011★ 116 cited

EChO - Exoplanet Characterisation Observatory

G. Tinetti, J. P. Beaulieu, T. Henning +131

A dedicated mission to investigate exoplanetary atmospheres represents a major milestone in our quest to understand our place in the universe by placing our Solar System in context…

math-ph2011★ 53 cited

Noise-induced drift in stochastic differential equations with arbitrary friction and diffusion in the Smoluchowski-Kramers limit

Scott Hottovy, Giovanni Volpe, Jan Wehr

We consider the dynamics of systems with arbitrary friction and diffusion. These include, as a special case, systems for which friction and diffusion are connected by Einstein fluc…

cond-mat.mes-hall2011★ 60 cited

Theory of laser-induced demagnetization at high temperatures

A. Manchon, Q. Li, L. Xu +1

Laser-induced demagnetization is theoretically studied by explicitly taking into account interactions among electrons, spins and lattice. Assuming that the demagnetization processe…

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…

astro-ph.GA2011★ 80 cited

Light echoes reveal an unexpectedly cool Eta Carinae during its 19th-century Great Eruption

A. Rest, J. L. Prieto, N. R. Walborn +14

Eta Carinae (Eta Car) is one of the most massive binary stars in the Milky Way. It became the second-brightest star in the sky during its mid-19th century "Great Eruption," but the…

astro-ph.SR2011★ 126 cited

Kepler-21b: A 1.6REarth Planet Transiting the Bright Oscillating F Subgiant Star HD 179070

Steve B. Howell, Jason F. Rowe, Stephen T. Bryson +63

We present Kepler observations of the bright (V=8.3), oscillating star HD 179070. The observations show transit-like events which reveal that the star is orbited every 2.8 days by…