All Outputs (750)

Simple and accurate modelling of the gravitational potential produced by thick and thin exponential discs (2015)
Journal Article
Smith, R., Flynn, C., Candlish, G. N., Fellhauer, M., & Gibson, B. K. (2015). Simple and accurate modelling of the gravitational potential produced by thick and thin exponential discs. Monthly notices of the Royal Astronomical Society, 448(3), 2934-2940. https://doi.org/10.1093/mnras/stv228

We present accurate models of the gravitational potential produced by a radially exponential disc mass distribution. The models are produced by combining three separate Miyamoto–Nagai discs. Such models have been used previously to model the disc of... Read More about Simple and accurate modelling of the gravitational potential produced by thick and thin exponential discs.

The imprints of the Galactic Bar on the Thick Disk with RAVE (2015)
Journal Article
Antoja, T., Monari, G., Helmi, A., Bienaymé, O., Bland-Hawthorn, J., Famaey, B., Gibson, B. K., Grebel, E. K., Kordopatis, G., Munari, U., Navarro, J., Parker, Q., Reid, W. A., Seabroke, G., Antoja, T., Steinmetz, M., & Zwitter, T. (2015). The imprints of the Galactic Bar on the Thick Disk with RAVE. Astrophysical journal. Letters, 800(2), L32. https://doi.org/10.1088/2041-8205/800/2/l32

We study the kinematics of a local sample of stars, located within a cylinder of 500 pc radius centered on the Sun, in the RAVE data set. We find clear asymmetries in the v R v∞ velocity distributions of thin and thick disk stars: there are more sta... Read More about The imprints of the Galactic Bar on the Thick Disk with RAVE.

The influence of red spiral galaxies on the shape of the local K-band luminosity function (2015)
Journal Article
Bonne, N. J., Brown, M. J. I., Jones, H., & Pimbblet, K. A. (2015). The influence of red spiral galaxies on the shape of the local K-band luminosity function. The Astrophysical journal, 799(2), Article ARTN 160. https://doi.org/10.1088/0004-637x/799/2/160

We have determined K-band luminosity functions for 13,325 local universe galaxies as a function of morphology and color (for Ktot ≤ 10.75). Our sample is drawn from the Two Micron All Sky Survey Extended Source Catalog, with all sample galaxies havin... Read More about The influence of red spiral galaxies on the shape of the local K-band luminosity function.

Sulfur isotopic compositions of submicrometer SiC grains from the Murchison meteorite (2015)
Journal Article
Xu, Y., Zinner, E., Gallino, R., Heger, A., Pignatari, M., & Lin, Y. (2015). Sulfur isotopic compositions of submicrometer SiC grains from the Murchison meteorite. The Astrophysical journal, 799(2), 156. https://doi.org/10.1088/0004-637x/799/2/156

We report C, Si, N, S, Mg-Al, and Ca-Ti isotopic compositions of presolar silicon carbide (SiC) grains from the SiC-rich KJE size fraction (0.5-0.8 μm) of the Murchison meteorite. One thousand one hundred thirteen SiC grains were identified based on... Read More about Sulfur isotopic compositions of submicrometer SiC grains from the Murchison meteorite.

The rich are different: evidence from the RAVE survey for stellar radial migration (2015)
Journal Article
Kordopatis, G., Binney, J., Gilmore, G., Wyse, R. F. G., Belokurov, V., McMillan, P. J., Hatfield, P., Grebel, E. K., Steinmetz, M., Navarro, J. F., Seabroke, G., Minchev, I., Chiappini, C., Bienaymé, O., Bland-Hawthorn, J., Freeman, K. C., Gibson, B. K., Helmi, A., Munari, U., Parker, Q., …Zwitter, T. (2015). The rich are different: evidence from the RAVE survey for stellar radial migration. Monthly notices of the Royal Astronomical Society, 447(4), 3526-3535. https://doi.org/10.1093/mnras/stu2726

Using the RAdial Velocity Experiment fourth data release (RAVE DR4), and a new metallicity calibration that will be also taken into account in the future RAVE DR5, we investigate the existence and the properties of super-solar metallicity stars ([M/H... Read More about The rich are different: evidence from the RAVE survey for stellar radial migration.

ABC triblock copolymer micelles: Spherical versus worm-like micelles depending on the preparation method (2015)
Journal Article
Ghasdian, N., Buzza, D. M. A., Fletcher, P. D. I., & Georgiou, T. K. (2015). ABC triblock copolymer micelles: Spherical versus worm-like micelles depending on the preparation method. Macromolecular rapid communications, 36(6), 528-532. https://doi.org/10.1002/marc.201400621

Well-defined ABC triblock copolymers based on two hydrophilic blocks, A and C, and a hydrophobic block B are synthesized and their self-assembly behaviour is investigated. Interestingly, at the same solvent concentration, pH, and temperature, differe... Read More about ABC triblock copolymer micelles: Spherical versus worm-like micelles depending on the preparation method.

Time-delayed feedback control of the Dicke-Hepp-Lieb superradiant quantum phase transition (2015)
Journal Article
Kopylov, W., Emary, C., Schöll, E., & Brandes, T. (2015). Time-delayed feedback control of the Dicke-Hepp-Lieb superradiant quantum phase transition. New Journal of Physics, 17(1), 013040. https://doi.org/10.1088/1367-2630/17/1/013040

We apply the time-delayed Pyragas control scheme to the dissipative Dicke model via a modulation of the atom-field-coupling. The feedback creates an infinite sequence of non-equilibrium phases with fixed points and limit cycles in the primary superra... Read More about Time-delayed feedback control of the Dicke-Hepp-Lieb superradiant quantum phase transition.

Code dependencies of pre-supernova evolution and nucleosynthesis in massive stars: Evolution to the end of core helium burning (2015)
Journal Article
Jones, S., Hirschi, R., Pignatari, M., Heger, A., Georgy, C., Nishimura, N., Fryer, C., & Herwig, F. (2015). Code dependencies of pre-supernova evolution and nucleosynthesis in massive stars: Evolution to the end of core helium burning. Monthly notices of the Royal Astronomical Society, 447(4), 3115-3129. https://doi.org/10.1093/mnras/stu2657

Massive stars are key sources of radiative, kinetic and chemical feedback in the Universe. Grids of massive star models computed by different groups each using their own codes, input physics choices and numerical approximations, however, lead to inco... Read More about Code dependencies of pre-supernova evolution and nucleosynthesis in massive stars: Evolution to the end of core helium burning.

Hot electron energy relaxation in lattice-matched InAlN/AlN/GaN heterostructures: The sum rules for electron-phonon interactions and hot-phonon effect (2015)
Journal Article
Zhang, J. .-Z., Dyson, A., & Ridley, B. K. (2015). Hot electron energy relaxation in lattice-matched InAlN/AlN/GaN heterostructures: The sum rules for electron-phonon interactions and hot-phonon effect. Journal of applied physics, 117(2), Article ARTN 025701. https://doi.org/10.1063/1.4905717

Using the dielectric continuum (DC) and three-dimensional phonon (3DP) models, energy relaxation of the hot electrons in the quasi-two-dimensional channel of lattice-matched InAlN/AlN/GaN heterostructures is studied theoretically, taking into account... Read More about Hot electron energy relaxation in lattice-matched InAlN/AlN/GaN heterostructures: The sum rules for electron-phonon interactions and hot-phonon effect.

Characterizing the high-velocity stars of RAVE: the discovery of a metal-rich halo star born in the Galactic disc (2015)
Journal Article
Hawkins, K., Kordopatis, G., Gilmore, G., Masseron, T., Wyse, R. F. G., Ruchti, G., Bienaymé, O., Bland-Hawthorn, J., Boeche, C., Freeman, K., Gibson, B. K., Grebel, E. K., Helmi, A., Kunder, A., Munari, U., Navarro, J. F., Parker, Q. A., Reid, W. A., Scholz, R. D., Seabroke, G., …Zwitter, T. (2015). Characterizing the high-velocity stars of RAVE: the discovery of a metal-rich halo star born in the Galactic disc. Monthly notices of the Royal Astronomical Society, 447(2), 2046-2058. https://doi.org/10.1093/mnras/stu2574

© 2015 The Authors. We aim to characterize high-velocity (HiVel) stars in the solar vicinity both chemically and kinematically using the fourth data release of the RAdial Velocity Experiment (RAVE). We used a sample of 57HiVel starswith Galactic rest... Read More about Characterizing the high-velocity stars of RAVE: the discovery of a metal-rich halo star born in the Galactic disc.

Ideal negative measurements in quantum walks disprove theories based on classical trajectories (2015)
Journal Article
Robens, C., Alt, W., Meschede, D., Emary, C., & Alberti, A. (2015). Ideal negative measurements in quantum walks disprove theories based on classical trajectories. Physical Review X, 5(1), Article 011003. https://doi.org/10.1103/PhysRevX.5.011003

We report on a stringent test of the nonclassicality of the motion of a massive quantum particle, which propagates on a discrete lattice. Measuring temporal correlations of the position of single atoms performing a quantum walk, we observe a 6σ viola... Read More about Ideal negative measurements in quantum walks disprove theories based on classical trajectories.

Identification of globular cluster stars in RAVE data - I. Application to stellar parameter calibration (2015)
Journal Article
Anguiano, B., Zucker, D. B., Scholz, R. D., Grebel, E. K., Seabroke, G., Kunder, A., Binney, J., McMillan, P. J., Zwitter, T., Wyse, R., Kordopatis, G., Bienaymé, O., Bland-Hawthorn, J., Boeche, C., Freeman, K. C., Gibson, B. K., Gilmore, G., Munari, U., Navarro, J., Parker, Q., …Watson, F. (2015). Identification of globular cluster stars in RAVE data - I. Application to stellar parameter calibration. Monthly notices of the Royal Astronomical Society, 451(2), 1229-1246. https://doi.org/10.1093/mnras/stv800

We present the identification of potential members of nearby Galactic globular clusters using radial velocities from the RAdial Velocity Experiment Data Release 4 (RAVE-DR4) survey data base. Our identifications are based on three globular clusters –... Read More about Identification of globular cluster stars in RAVE data - I. Application to stellar parameter calibration.

Detection limits of organic compounds achievable with intense, short-pulse lasers (2015)
Journal Article
Miles, J., De Camillis, S., Alexander, G., Hamilton, K., Kelly, T. J., Costello, J. T., Zepf, M., Williams, I. D., & Greenwood, J. B. (2015). Detection limits of organic compounds achievable with intense, short-pulse lasers. Analyst, 140(12), 4270-4276. https://doi.org/10.1039/c5an00529a

Many organic molecules have strong absorption bands which can be accessed by ultraviolet short pulse lasers to produce efficient ionization. This resonant multiphoton ionization scheme has already been exploited as an ionization source in time-of-fli... Read More about Detection limits of organic compounds achievable with intense, short-pulse lasers.

MESA and NuGrid simulations of classical nova outbursts and nucleosynthesis (2014)
Presentation / Conference Contribution
Pignatari, M., Denisenkov, P. A., Herwig, F., & Truran, J. MESA and NuGrid simulations of classical nova outbursts and nucleosynthesis

Classical novae are the results of surface thermonuclear explosions of hydrogen accreted by white dwarfs (WDs) from their low-mass main-sequence or red-giant binary companions. Chemical composition analysis of their ejecta shows that nova outbursts o... Read More about MESA and NuGrid simulations of classical nova outbursts and nucleosynthesis.

Decoding the message from meteoritic stardust silicon carbide grains (2014)
Presentation / Conference Contribution
Lewis, K. M., Lugaro, M., Gibson, B. K., & Pilkington, K. Decoding the message from meteoritic stardust silicon carbide grains. Presented at ORIGIN OF MATTER AND EVOLUTION OF GALAXIES 2013: Proceedings of the 12th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG12), Tsukuba, Japan

SiC mainstream grains are presolar grains believed to form in the envelopes of carbon rich asymptotic giant branch (AGB) stars with masses between 1.5 and 3 solar masses. These grains represent a conundrum as the 29Si and 30Si abundances indicate tha... Read More about Decoding the message from meteoritic stardust silicon carbide grains.

Erratum: The stellar masses of ~40 000 UV-selected galaxies from the WiggleZ survey at 0.3 < z < 1.0: Analogues of Lyman break galaxies? (2014)
Journal Article
Banerji, M., Glazebrook, K., Blake, C., Brough, S., Colless, M., Contreras, C., Couch, W., Croton, D. J., Croom, S., Davis, T. M., Drinkwater, M. J., Forster, K., Gilbank, D., Gladders, M., Jelliffe, B., Jurek, R. J., Li, I.-H., Madore, B., Christopher Martin, D., Pimbblet, K., …Yee, H. K. C. (2015). Erratum: The stellar masses of ~40 000 UV-selected galaxies from the WiggleZ survey at 0.3 < z < 1.0: Analogues of Lyman break galaxies?. Monthly notices of the Royal Astronomical Society, 447(1), 325-325. https://doi.org/10.1093/mnras/stu2478

Waiting time distribution for continuous stochastic systems (2014)
Journal Article
Gernert, R., Emary, C., & Klapp, S. H. (2014). Waiting time distribution for continuous stochastic systems. Physical review. E, Statistical, nonlinear, and soft matter physics, 90(6), Article 062115. https://doi.org/10.1103/PhysRevE.90.062115

The waiting time distribution (WTD) is a common tool for analyzing discrete stochastic processes in classical and quantum systems. However, there are many physical examples where the dynamics is continuous and only approximately discrete, or where it... Read More about Waiting time distribution for continuous stochastic systems.

The clustering and halo masses of star-forming galaxies at z<1 (2014)
Journal Article
Dolley, T., Brown, M. J. I., Weiner, B. J., Brodwin, M., Kochanek, C. S., Pimbblet, K. A., Palamara, D. P., Jannuzi, B. T., Dey, A., Atlee, D. W., & Beare, R. (2014). The clustering and halo masses of star-forming galaxies at z

We present clustering measurements and halo masses of star-forming galaxies at 0.2 < z < 1.0. After excluding active galactic nuclei (AGNs), we construct a sample of 22,553 24 μm sources selected from 8.42 deg2 of the Spitzer MIPS AGN and Galaxy Evol... Read More about The clustering and halo masses of star-forming galaxies at z<1.

New insights on Ba overabundance in open clusters : evidence for the intermediate neutron-capture process at play? (2014)
Journal Article
Mishenina, T., Pignatari, M., Carraro, G., Kovtyukh, V., Monaco, L., Korotin, S., Shereta, E., Yegorova, I., & Herwig, F. (2015). New insights on Ba overabundance in open clusters : evidence for the intermediate neutron-capture process at play?. Monthly notices of the Royal Astronomical Society, 446(4), 3651-3668. https://doi.org/10.1093/mnras/stu2337

Recently, an increasing number of studies were devoted to measure the abundances of neutron-capture elements heavier than iron in stars belonging to Galactic Open Clusters (OCs). OCs span a sizeable range in metallicity (−0.6 ≤ [Fe/H] ≤ +0.4), and th... Read More about New insights on Ba overabundance in open clusters : evidence for the intermediate neutron-capture process at play?.

An accurate new method of calculating absolute magnitudes and K-corrections applied to the Sloan filter set (2014)
Journal Article
Beare, R., Brown, M. J. I., & Pimbblet, K. (2014). An accurate new method of calculating absolute magnitudes and K-corrections applied to the Sloan filter set. The Astrophysical journal, 797(2), Article ARTN 104. https://doi.org/10.1088/0004-637x/797/2/104

We describe an accurate new method for determining absolute magnitudes, and hence also K-corrections, that is simpler than most previous methods, being based on a quadratic function of just one suitably chosen observed color. The method relies on the... Read More about An accurate new method of calculating absolute magnitudes and K-corrections applied to the Sloan filter set.