output
19922026
most citedGaia Data Release 2. Summary of the contents and survey properties

8.6k citations

Showing 2009Show all

205 papers · 1 filter

astro-ph.CO2009★ 45 cited

PopStar Evolutionary Synthesis Models II: Optical emission-line spectra from Giant H{\sc ii} regions

M. L. Martín-Manjón, M. L. García-Vargas, M. Mollá +1

This is the second paper of a series reporting the results from the PopStar evolutionary synthesis models. Here we present synthetic emission line spectra of H{\sc ii} regions phot…

cond-mat.mes-hall2009★ 68 cited

Numerical study of the localization length critical index in a network model of plateau-plateau transitions in the quantum Hall effect

M. Amado, A. V. Malyshev, A. Sedrakyan +1

We calculate numerically the localization length critical index within the Chalker-Coddington (CC) model for plateau-plateau transitions in the quantum Hall effect. Lyapunov expone…

hep-ph2009★ 1 cited

Transport coefficients of a massive pion gas

D. Fernandez-Fraile, A. Gomez Nicola

We review or main results concerning the transport coefficients of a light meson gas, in particular we focus on the case of a massive pion gas. Leading order results according to t…

cond-mat.mtrl-sci2009★ 25 cited

Surface magnetism in ZnO/Co3O4 mixtures

M. A. Garcia, F. Jimenez-Villacorta, A. Quesada +5

We recently reported the observation of room temperature ferromagnetism in mixtures of ZnO and Co3O4 despite the diamagnetic and antiferromagnetic character of these oxides respect…

cond-mat.supr-con2009★ 16 cited

Rocking ratchet induced by pure magnetic potentials with broken reflection symmetry

D. Perez de Lara, F. J. Castano, B. G. Ng +7

A ratchet effect (the rectification of an ac injected current) which is purely magnetic in origin has been observed in a superconducting-magnetic nanostructure hybrid. The hybrid c…

astro-ph.EP2009★ 29 cited

Evidence of a massive planet candidate orbiting the young active K5V star BD+20 1790

M. Hernán-Obispo, M. C. Gálvez-Ortiz, G. Anglada-Escudé +4

BD+20 1790 is a young active, metal-rich, late-type K5Ve star. We have undertaken a study of stellar activity and kinematics for this star over the past few years. Previous results…

cond-mat.stat-mech2009

Some open questions concerning biological growth

Carlos Escudero

We briefly review the properties of radially growing interfaces and their connection to biological growth. We focus on simplified models which result from the abstraction of only c…

math-ph2009★ 36 cited

Optimal Control of Underactuated Mechanical Systems: A Geometric Approach

L. Colombo, D. Martin de Diego, M. Zuccalli

In this paper, we consider a geometric formalism for optimal control of underactuated mechanical systems. Our techniques are an adaptation of the classical Skinner and Rusk approac…

quant-ph2009★ 101 cited

Operator Space theory: a natural framework for Bell inequalities

M. Junge, C. Palazuelos, D. Perez-Garcia +2

In this letter we show that the field of Operator Space Theory provides a general and powerful mathematical framework for arbitrary Bell inequalities, in particular regarding the s…

quant-ph2009★ 16 cited

Full tomography from compatible measurements

J. Rehacek, Z. Hradil, Z. Bouchal +3

We put forward a reconstruction scheme prompted by the relation between a von Neumann measurement and the corresponding informationally complete measurement induced in a relevant r…

astro-ph.SR2009★ 1 cited

CARMENES: Calar Alto high-Resolution search for M dwarfs with Exo-earths with a Near-infrared Echelle Spectrograph

A. Quirrenbach, P. J. Amado, H. Mandel +55

CARMENES, Calar Alto high-Resolution search for M dwarfs with Exo-earths with a Near-infrared Echelle Spectrograph, is a study for a next-generation instrument for the 3.5m Calar A…

cond-mat.mtrl-sci2009★ 1 cited

Geometrical foundations of plasticity yield criteria: A unified theory

J. M. Luque, R. Campoamor-Stursberg

A new model for elucidating the mathematical foundation of plasticity yield criteria is proposed. The proposed ansatz uses differential geometry and group theory concepts in additi…

nucl-th2009★ 12 cited

Superscaling analysis of the Coulomb Sum Rule in quasielastic electron-nucleus scattering

J. A. Caballero, M. C. Martinez, J. L. Herraiz +1

The Coulomb sum rule for inclusive quasielastic electron scattering in C, Ca and Fe is analyzed based on scaling and superscaling properties. Results obtained…

math.AP2009★ 1 cited

Isothermalization for a Non-local Heat Equation

Emmanuel Chasseigne, Raul Ferreira

n this paper we study the asymptotic behavior for a nonlocal heat equation in an inhomogenous medium: where is a…

quant-ph2009★ 1 cited

An Extreme form of Superactivation for Quantum Zero-Error Capacities

Toby S. Cubitt, Graeme Smith

The zero-error capacity of a channel is the rate at which it can send information perfectly, with zero probability of error, and has long been studied in classical information theo…

math.AG2009★ 6 cited

Toric Geometry and the Semple-Nash modification

Pedro Daniel Gonzalez Perez, Bernard Teissier

This paper proposes some material towards a theory of general toric varieties without the assumption of normality. Their combinatorial description involves a fan to which is attach…

astro-ph.CO2009★ 2 cited

A minor-merger origin for inner disks and rings in early-type galaxies

M. C. Eliche-Moral, A. C. Gonzalez-Garcia, M. Balcells +3

Nuclear disks and rings are frequent galaxy substructures, for a wide range of morphological types (from S0 to Sc). We have investigated the possible minor-merger origin of inner d…

cond-mat.dis-nn2009★ 9 cited

Spin Glasses on the Hypercube

L. A. Fernandez, V. Martin-Mayor, G. Parisi +1

We present a mean field model for spin glasses with a natural notion of distance built in, namely, the Edwards-Anderson model on the diluted D-dimensional unit hypercube in the lim…

physics.chem-ph2009★ 15 cited

Ligand exchange in gold-coated FePt nanoparticles

P. de la Presa, T. Rueda, M. P. Morales +1

In this work we present the magnetic properties of gold coated FePt nanoparticles and the study of stable aqueous dispersions of FePt@Au and FePt synthesized after ligand exchange…

cs.PL2009

Efficient Local Unfolding with Ancestor Stacks

G. Puebla, E. Albert, M. Hermenegildo

The most successful unfolding rules used nowadays in the partial evaluation of logic programs are based on well quasi orders (wqo) applied over (covering) ancestors, i.e., a subseq…

physics.chem-ph2009★ 37 cited

Gold Nanoparticles Generated in Ethosome Bilayers, As Revealed by Cryo-Electron-Tomography

Patricia de la Presa, Tatiana Rueda, Maria del Puerto Morales +4

Gold nanoparticles have been synthesized inside ethosomes, vesicles composed of phospholipid, ethanol and water, which could be very efficient not only in delivery probes to the sk…

math-ph2009★ 3 cited

Composition algebras and the two faces of

Luis J. Boya, R. Campoamor-Stursberg

We consider composition and division algebras over the real numbers: We note two rôles for the group : as automorphism group of the octonions and as the isotropy group of a…

astro-ph.CO2009★ 4 cited

Electromagnetic nature of dark energy

Jose Beltran Jimenez, Antonio L. Maroto

Out of the four components of the electromagnetic field, Maxwell's theory only contains two physical degrees of freedom. However, in an expanding universe, consistently eliminating…

hep-ph2009

Strange mesons from SIS to FAIR

L. Tolos, D. Cabrera, A. Polls +1

The properties of and mesons in nuclear matter at finite temperature are obtained from a chiral unitary approach in coupled channels which incorporates the - and p-…