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math.QA2011

Prime Representations from a Homological Perspective

Vyjayanthi Chari, Adriano Moura, Charles Young

We begin the study of simple finite-dimensional prime representations of quantum affine algebras from a homological perspective. Namely, we explore the relation between self extens…

cond-mat.supr-con2011★ 4 cited

Quantum magnetic oscillations and angle-resolved photoemission from impurity bands in cuprate superconductors

A. S. Alexandrov

Present-day angle-resolved photoemission spectroscopy (ARPES) has offered a tremendous advance in the understanding of electron energy spectra in cuprate superconductors and some r…

math.DG2011

A note on stochastic calculus in vector bundles

Pedro J. Catuogno, Diego S. Ledesma, Paulo R. Ruffino

The aim of these notes is to relate covariant stochastic integration in a vector bundle (as in Norris \cite{Norris}) with the usual Stratonovich calculus via the connector $\K:…

hep-ex2011★ 24 cited

Measurement of the and Production Cross Sections at Mid-rapidity in Proton-Proton Collisions at = 500 GeV

STAR Collaboration, G. Agakishiev, M. M. Aggarwal +346

We report measurements of the charge-separated and production cross sections at mid-rapidity in proton-proton collisions a…

astro-ph.IM2011★ 7 cited

Terahertz photometer to observe solar flares in continuum

Rogerio Marcon, Pierre Kaufmann, Luis Olavo T. Fernandes +6

Solar observations at sub-THz frequencies detected a new flare spectral component peaking in the THz range, simultaneously with the well known microwaves component, bringing challe…

nucl-ex2011★ 51 cited

Energy and system-size dependence of two- and four-particle measurements in heavy-ion collisions at RHIC and their implications on flow fluctuations and nonflow

The STAR Collaboration, G. Agakishiev, M. M. Aggarwal +344

We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants ( and ) for Au+Au and Cu+Cu collisions at center of…

hep-ex2011★ 1.2k cited

Indication for the disappearance of reactor electron antineutrinos in the Double Chooz experiment

Y. Abe, C. Aberle, T. Akiri +182

The Double Chooz Experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. A ratio of 0.944 0.016 (stat) 0…

nucl-th2011★ 15 cited

Power counting and renormalization group invariance in the subtracted kernel method for the two-nucleon system

Sérgio Szpigel, Varese S. Timóteo

We apply the subtracted kernel method (SKM), a renormalization approach based on recursive multiple subtractions performed in the kernel of the scattering equation, to the chiral n…

cond-mat.stat-mech2011★ 6 cited

Energy transfer dynamics and thermalization of two oscillators interacting via chaos

M. A. Marchiori, Ricardo Fariello, M. A. M. de Aguiar

We consider the classical dynamics of two particles moving in harmonic potential wells and interacting with the same external environment (HE), consisting of N non-interacting chao…

cond-mat.str-el2011★ 32 cited

Spin-Electron-Phonon Excitation in Re-based Half-Metallic Double Perovskites

A. F. Garcia-Flores, A. F. L. Moreira, U. F. Kaneko +6

A remarkable hardening (~ 30 cm-1) of the normal mode of vibration associated with the symmetric stretching of the oxygen octahedra for the Ba2FeReO6 and Sr2CrReO6 double perovskit…

hep-ph2011★ 11 cited

Total Hadronic Cross Section Data and the Froissart-Martin Bound

D. A. Fagundes, M. J. Menon, P. V. R. G. Silva

The energy dependence of the total hadronic cross section at high energies is investigated with focus on the recent experimental result by the TOTEM Collaboration at 7 TeV and the…

hep-ph2011★ 31 cited

Aspects of a dynamical gluon mass approach to elastic hadron scattering at LHC

D. A. Fagundes, E. G. S. Luna, M. J. Menon +1

We discuss how the main features of the recent LHC data on elastic scattering can be described by a QCD-inspired formalism with a dynamical infrared mass scale. For this purpose ne…

nucl-ex2011★ 39 cited

Directed Flow of Identified Particles in Au + Au Collisions at $\sqrtsNN = 200$ GeV at RHIC

the STAR Collaboration

STAR's measurements of directed flow () around midrapidity for , K, K, and in Au + Au collisions at $\sqrtsNN = 200$ GeV are presented. A…

physics.optics2011★ 413 cited

Synchronization of Micromechanical Oscillators Using Light

Mian Zhang, Gustavo Wiederhecker, Sasikanth Manipatruni +3

Synchronization, the emergence of spontaneous order in coupled systems, is of fundamental importance in both physical and biological systems. We demonstrate the synchronization of…

cond-mat.supr-con2011★ 14 cited

Superlight small bipolarons from realistic long-range Coulomb and Fröhlich interactions

A. S. Alexandrov, J. H. Samson, G. Sica

We report analytical and numerical results on the two-particle states of the polaronic t-Jp model derived recently with realistic Coulomb and electron-phonon (Frohlich) interaction…

nucl-ex2011★ 52 cited

Light vector meson production in pp collisions at = 7 TeV

ALICE Collaboration

The ALICE experiment has measured low-mass dimuon production in pp collisions at TeV in the dimuon rapidity region 2.5<y<4. The observed dimuon mass spectrum is desc…

math.DS2011★ 1 cited

Perturbed damped pendulum: finding periodic solutions

Douglas Duarte Novaes

Using the damped pendulum system we introduce the averaging method to study the periodic solutions of a dynamical system with small perturbation. We provide sufficient conditions f…

hep-ex2011★ 59 cited

Underlying Event measurements in pp collisions at = 0.9 and 7 TeV with the ALICE experiment at the LHC

ALICE collaboration

We present measurements of Underlying Event observables in pp collisions at = 0.9 and 7 TeV. The analysis is performed as a function of the highest charged-particle tran…

astro-ph.IM2011★ 211 cited

Trigger and Aperture of the Surface Detector Array of the Pierre Auger Observatory

J. Abraham, P. Abreu, M. Aglietta +469

The surface detector array of the Pierre Auger Observatory consists of 1600 water-Cherenkov detectors, for the study of extensive air showers (EAS) generated by ultra-high-energy c…

q-bio.PE2011★ 14 cited

The role of sex separation in neutral speciation

Elizabeth M. Baptestini, Marcus A. M. de Aguiar, Yaneer Bar-Yam

Neutral speciation mechanisms based on isolation by distance and sexual selection, termed topopatric, have recently been shown to describe the observed patterns of abundance distri…

math.NT2011★ 1 cited

Rotated Dn-lattices

Grasiele Cristiane Jorge, Agnaldo José Ferrari, Sueli Irene Rodrigues Costa

Based on algebraic number theory we construct some families of rotated Dn-lattices with full diversity which can be good for signal transmission over both Gaussian and Rayleigh fad…

math-ph2011★ 8 cited

Locally Inertial Reference Frames in Lorentzian and Riemann-Cartan Spacetimes

J. F. T. Giglio, W. A. Rodrigues

In this paper we scrutinize the concept of locally inertial reference frames (LIRF) in Lorentzian and Riemann-Cartan spacetime structures. We present rigorous mathematical definiti…

astro-ph.HE2011★ 40 cited

Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +496

We present the results of an analysis of data recorded at the Pierre Auger Observatory in which we search for groups of directionally-aligned events (or `multiplets') which exhibit…

cond-mat.soft2011★ 25 cited

Conformal Smectics and their Many Metrics

Gareth P. Alexander, Randall D. Kamien, Ricardo A. Mosna

We establish that equally-spaced smectic configurations enjoy an infinite-dimensional conformal symmetry and show that there is a natural map between them and null hypersurfaces in…