Dynamical evolution of star-forming regions (2013)
Journal Article
Parker, R. J., Wright, N. J., Goodwin, S. P., & Meyer, M. R. (2013). Dynamical evolution of star-forming regions. Monthly Notices of the Royal Astronomical Society, 438(1), 620-638. https://doi.org/10.1093/mnras/stt2231

We model the dynamical evolution of star-forming regions with a wide range of initial properties. We follow the evolution of the regions’ substructure using the Q-parameter, we search for dynamical mass segregation using the ?MSR technique, and we al... Read More about Dynamical evolution of star-forming regions.

A micrometer-size movable light emitting area in a resonant tunneling light emitting diode (2013)
Journal Article
Pettinari, G., Balakrishnan, N., Makarovsky, O., Campion, R., Polimeni, A., Capizzi, M., & Patanè, A. (2013). A micrometer-size movable light emitting area in a resonant tunneling light emitting diode. Applied Physics Letters, 241105 - 241105. https://doi.org/10.1063/1.4844975

We report on the fabrication of a micrometer-size movable light emitting area in a GaAs/AlAs quantum well resonant tunneling p-i-n diode. The spatial position of the micrometer-size light emitting area shifts linearly with increasing applied bias, up... Read More about A micrometer-size movable light emitting area in a resonant tunneling light emitting diode.

Circum-stellar medium around rotating massive stars at solar metallicity (2013)
Journal Article
(2013). Circum-stellar medium around rotating massive stars at solar metallicity. Astronomy & Astrophysics,

Aims. Observations show nebulae around some massive stars but not around others. If observed, their chemical composition is far from homogeneous. Our goal is to put these observational features into the context of the evolution of massive stars and t... Read More about Circum-stellar medium around rotating massive stars at solar metallicity.

Fundamental properties of core-collapse Supernova and GRB progenitors: predicting the look of massive stars before death (2013)
Journal Article
(2013). Fundamental properties of core-collapse Supernova and GRB progenitors: predicting the look of massive stars before death. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/201321906

We investigate the fundamental properties of core-collapse Supernova (SN) progenitors from single stars at solar metallicity. We combine Geneva stellar evolutionary models with initial masses of Mini=20-120 Msun with atmospheric/wind models using CMF... Read More about Fundamental properties of core-collapse Supernova and GRB progenitors: predicting the look of massive stars before death.

Grids of stellar models with rotation - III. Models from 0.8 to 120 Msun at a metallicity Z = 0.002 (2013)
Journal Article
Georgy, C., Ekström, S., Eggenberger, P., Meynet, G., Haemmerlé, L., Maeder, A., Granada, A., Groh, J., Hirschi, R., Mowlavi, N., Yusof, N., Charbonnel, C., Decressin, T., & Barblan, F. (2013). Grids of stellar models with rotation - III. Models from 0.8 to 120 Msun at a metallicity Z = 0.002. Astronomy & Astrophysics, 558, Article A103. https://doi.org/10.1051/0004-6361/201322178

(shortened) We provide a grid of single star models covering a mass range from 0.8 to 120 Msun with an initial metallicity Z = 0.002 with and without rotation. We discuss the impact of a change in the metallicity by comparing the current tracks with... Read More about Grids of stellar models with rotation - III. Models from 0.8 to 120 Msun at a metallicity Z = 0.002.

WASP-8b: characterization of a cool and eccentric exoplanet with Spitzer (2013)
Journal Article
(2013). WASP-8b: characterization of a cool and eccentric exoplanet with Spitzer. Astrophysical Journal, https://doi.org/10.1088/0004-637X/768/1/42

WASP-8b has 2.18 times Jupiter's mass and is on an eccentric ($e=0.31$) 8.16-day orbit. With a time-averaged equilibrium temperature of 948 K, it is one of the least-irradiated hot Jupiters observed with the Spitzer Space Telescope. We have analyzed... Read More about WASP-8b: characterization of a cool and eccentric exoplanet with Spitzer.

Rayleigh waves of arbitrary profile in anisotropic media (2013)
Journal Article
Prikazchikov, D. (2013). Rayleigh waves of arbitrary profile in anisotropic media. Mechanics Research Communications, 50, 83 -86. https://doi.org/10.1016/j.mechrescom.2013.03.009

The paper deals with surface wave propagation in an orthorhombic elastic half-plane. The general profile of the wave is considered, incorporating the anisotropy effects within the known representation in terms of a single plane harmonic function.

Role of vacancies in the magnetic and electronic properties of SiC nanoribbons: A nab initio study (2013)
Journal Article
Morbec, J. M., & Rahman, G. (2013). Role of vacancies in the magnetic and electronic properties of SiC nanoribbons: A nab initio study. Physical review B: Condensed matter and materials physics, https://doi.org/10.1103/physrevb.87.115428

Using ab initio calculations based on density functional theory, we investigate the effects of vacancies on the electronic and magnetic properties of zigzag SiC nanoribbons (Z-SiCNR). Single (V C and V Si ) and double (V Si V Si and V Si V C) vacanc... Read More about Role of vacancies in the magnetic and electronic properties of SiC nanoribbons: A nab initio study.

On the relationship between the size and surface coverage of starspots on magnetically active low-mass stars (2013)
Journal Article
Jackson, R. J., & Jeffries, R. D. (2013). On the relationship between the size and surface coverage of starspots on magnetically active low-mass stars. Monthly Notices of the Royal Astronomical Society, 431(2), 1883-1890. https://doi.org/10.1093/mnras/stt304

We present a model that predicts the light curve amplitude distribution for an ensemble of low-mass magnetically active stars, under the assumptions that stellar spin axes are randomly orientated and that cool starspots have a characteristic scale le... Read More about On the relationship between the size and surface coverage of starspots on magnetically active low-mass stars.

A rapidly spinning supermassive black hole at the centre of NGC?1365. (2013)
Journal Article
(2013). A rapidly spinning supermassive black hole at the centre of NGC?1365. Nature, 449 - 451. https://doi.org/10.1038/nature11938

Broad X-ray emission lines from neutral and partially ionized iron observed in active galaxies have been interpreted as fluorescence produced by the reflection of hard X-rays off the inner edge of an accretion disk. In this model, line broadening and... Read More about A rapidly spinning supermassive black hole at the centre of NGC?1365..

Intrinsic magnetism in nanosheets of SnO2: A first-principles study (2013)
Journal Article
Abreu Da Silva Morbec. (2013). Intrinsic magnetism in nanosheets of SnO2: A first-principles study. Journal of Magnetism and Magnetic Materials, 104 -108. https://doi.org/10.1016/j.jmmm.2012.10.017

We propose intrinsic magnetism in nanosheets of SnO2, based on first-principles calculations. The electronic structure and spin density reveal that p orbitals of the oxygen atoms, surrounding Sn vacancies, have a non-itinerant nature which gives birt... Read More about Intrinsic magnetism in nanosheets of SnO2: A first-principles study.

Spitzer 3.6 and 4.5 mu m full-orbit light curves of WASP-18 (2012)
Journal Article
Maxted, P., Anderson, D. R., Doyle, A. P., Gillon, M., Harrington, J., Iro, N., Jehin, E., Lafreniere, D., Smalley, B., & Southworth, J. (2013). Spitzer 3.6 and 4.5 mu m full-orbit light curves of WASP-18. Monthly Notices of the Royal Astronomical Society, 428(3), 2645-2660. https://doi.org/10.1093/mnras/sts231

We present new lightcurves of the massive hot Jupiter system WASP-18 obtained with the Spitzer spacecraft covering the entire orbit at 3.6 micron and 4.5 micron. These lightcurves are used to measure the amplitude, shape and phase of the thermal phas... Read More about Spitzer 3.6 and 4.5 mu m full-orbit light curves of WASP-18.

Band-gap profiling by laser writing of hydrogen-containing III-N-Vs (2012)
Journal Article
Martelli, F., Patanè, A., Rubini, S., Balakrishnan, N., Pettinari, G., Makarovsky, O., Turyanska, L., Fay, M., De Luca, M., Polimeni, A., & Capizzi, M. (2012). Band-gap profiling by laser writing of hydrogen-containing III-N-Vs. Physical review B: Condensed matter and materials physics, https://doi.org/10.1103/PhysRevB.86.155307

We show that the dissociation of the N-H complex in hydrogenated III-N-Vs can be laser activated at temperatures that are significantly smaller than those (>200?°C) required for thermal dissociation due to a resonant photon absorption by the N-H comp... Read More about Band-gap profiling by laser writing of hydrogen-containing III-N-Vs.

Grids of stellar models with rotation - I. Models from 0.8 to 120 Msun at solar metallicity (Z = 0.014) (2012)
Journal Article
(2012). Grids of stellar models with rotation - I. Models from 0.8 to 120 Msun at solar metallicity (Z = 0.014). Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/201117751

[abridged] Many topical astrophysical research areas, such as the properties of planet host stars, the nature of the progenitors of different types of supernovae and gamma ray bursts, and the evolution of galaxies, require complete and homogeneous se... Read More about Grids of stellar models with rotation - I. Models from 0.8 to 120 Msun at solar metallicity (Z = 0.014).

Eclipsing Binary Stars: the Royal Road to Stellar Astrophysics (2012)
Presentation / Conference Contribution
Taylor. (2011, October). Eclipsing Binary Stars: the Royal Road to Stellar Astrophysics. Presented at Pas De Deux conference 2011, Observatoire de Paris, France

Russell (1948) famously described eclipses as the "royal road" to stellar astrophysics. From photometric and spectroscopic observations it is possible to measure the masses and radii (to 1% or better!), and thus surface gravities and mean densities,... Read More about Eclipsing Binary Stars: the Royal Road to Stellar Astrophysics.

Homogeneous studies of transiting planets (2011)
Presentation / Conference Contribution
Southworth, J. (2011, July). Homogeneous studies of transiting planets. Presented at IAUS 282: From Interacting Binaries to Exoplanets: Essential Modeling Tools, Tatranska Lomnica

The derived physical properties of the known transiting extrasolar planetary systems come from a variety of sources, and are calculated using a range of different methods so are not always directly comparable. I present a catalogue of the physical pr... Read More about Homogeneous studies of transiting planets.

Laser writing of the electronic activity of N- and H-atoms in GaAs (2011)
Journal Article
Martelli, F., Rubini, S., Balakrishnan, N., Patanè, A., Makarovsky, O., Polimeni, A., & Capizzi, M. (2011). Laser writing of the electronic activity of N- and H-atoms in GaAs. Applied Physics Letters, 021105 - 021105. https://doi.org/10.1063/1.3610464

We use a focussed laser beam to control the electronic activity of N- and H-atoms in a dilute nitride Ga(AsN)/GaAs quantum well. Our approach yields submicron resolution in the spatial manipulation of the electronic properties and can provide an alte... Read More about Laser writing of the electronic activity of N- and H-atoms in GaAs.

On a class of three-phase checkerboards with unusual effective properties (2011)
Journal Article
(2011). On a class of three-phase checkerboards with unusual effective properties. Comptes Rendus Mécanique, 411-417. https://doi.org/10.1016/j.crme.2011.03.016

We examine the band spectrum, and associated Floquet-Bloch eigensolutions, arising in a class of three-phase periodic checkerboards. On a periodic cell $[-1,1[^2$, the refractive index is defined by $n^2= 1+ g_1(x_1)+g_2(x_2)$ with $g_i(x_i)= r^2\qua... Read More about On a class of three-phase checkerboards with unusual effective properties.

Theoretical Study of Carbon Clusters in Silicon Carbide Nanowires (2011)
Journal Article
(2011). Theoretical Study of Carbon Clusters in Silicon Carbide Nanowires. Journal of Nanotechnology, 1 - 8. https://doi.org/10.1155/2011/203423

Using first-principles methods we performed a theoretical study of carbon clusters in silicon carbide (SiC) nanowires. We examined small clusters with carbon interstitials and antisites in hydrogen-passivated SiC nanowires growth along the [100] and... Read More about Theoretical Study of Carbon Clusters in Silicon Carbide Nanowires.

Boron and nitrogen impurities in SiC nanoribbons: anab initioinvestigation (2011)
Journal Article
Abreu Da Silva Morbec. (2011). Boron and nitrogen impurities in SiC nanoribbons: anab initioinvestigation. Journal of Physics: Condensed Matter, 205504 - 205504. https://doi.org/10.1088/0953-8984/23/20/205504

Using ab initio calculations based on density-functional theory we have performed a theoretical investigation of substitutional boron and nitrogen impurities in silicon carbide (SiC) nanoribbons. We have considered hydrogen terminated SiC ribbons wit... Read More about Boron and nitrogen impurities in SiC nanoribbons: anab initioinvestigation.