All Outputs (760)

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

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?.

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.

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.

Shaping plasmon beams via the controlled illumination of finite-size plasmonic crystals (2014)
Journal Article
Bouillard, J.-S., Segovia, P., Dickson, W., Wurtz, G. A., & Zayats, A. V. (2015). Shaping plasmon beams via the controlled illumination of finite-size plasmonic crystals. Scientific reports, 4(1), Article UNSP 7234. https://doi.org/10.1038/srep07234

Plasmonic crystals provide many passive and active optical functionalities, including enhanced sensing, optical nonlinearities, light extraction from LEDs and coupling to and from subwavelength waveguides. Here we study, both experimentally and numer... Read More about Shaping plasmon beams via the controlled illumination of finite-size plasmonic crystals.

Stabilization of boron carbide via silicon doping (2014)
Journal Article
Proctor, J. E., Bhakhri, V., Hao, R., Prior, T. J., Scheler, T., Gregoryanz, E., Chhowalla, M., & Giulani, F. (2015). Stabilization of boron carbide via silicon doping. Journal of Physics: Condensed Matter, 27(1), Article 015401. https://doi.org/10.1088/0953-8984/27/1/015401

Boron carbide is one of the lightest and hardest ceramics, but its applications are limited by its poor stability against a partial phase separation into separate boron and carbon. Phase separation is observed under high non-hydrostatic stress (both... Read More about Stabilization of boron carbide via silicon doping.

Spectroscopic signatures of extratidal stars around the globular clusters NGC 6656 (M 22), NGC 3201, and NGC 1851 from RAVE (2014)
Journal Article
Kunder, A., Bono, G., Piffl, T., Steinmetz, M., Grebel, E. K., Anguiano, B., Freeman, K., Kordopatis, G., Zwitter, T., Scholz, R., Gibson, B. K., Bland-Hawthorn, J., Seabroke, G., Boeche, C., Siebert, A., Wyse, R. F. G., Bienaymé, O., Navarro, J., Siviero, A., Minchev, I., …Helmi, A. (2014). Spectroscopic signatures of extratidal stars around the globular clusters NGC 6656 (M 22), NGC 3201, and NGC 1851 from RAVE. Astronomy and Astrophysics, 572, A30. https://doi.org/10.1051/0004-6361/201424113

© ESO, 2014. Context. Stellar population studies of globular clusters have suggested that the brightest clusters in the Galaxy might actually be the remnant nuclei of dwarf spheroidal galaxies. If the present Galactic globular clusters formed within... Read More about Spectroscopic signatures of extratidal stars around the globular clusters NGC 6656 (M 22), NGC 3201, and NGC 1851 from RAVE.

Shapley Supercluster Survey: Galaxy evolution from filaments to cluster cores (2014)
Journal Article
Merluzzi, P., Busarello, G., Haines, C. P., Mercurio, A., Okabe, N., Pimbblet, K. J., Dopita, M. A., Grado, A., Limatola, L., Bourdin, H., Mazzotta, P., Capaccioli, M., Napolitano, N. R., & Schipani, P. (2015). Shapley Supercluster Survey: Galaxy evolution from filaments to cluster cores. Monthly notices of the Royal Astronomical Society, 446(1), 803-822. https://doi.org/10.1093/mnras/stu2085

We present an overview of a multiwavelength survey of the Shapley Supercluster (SSC; z ∼ 0.05) covering a contiguous area of 260 h−2 70 Mpc² including the supercluster core. The project main aim is to quantify the influence of cluster-scale mass asse... Read More about Shapley Supercluster Survey: Galaxy evolution from filaments to cluster cores.

Influence of magnetic field on the orientation of anisotropic magnetic particles at liquid interfaces (2014)
Journal Article
Newton, B. J., Brakke, K. A., & Buzza, D. M. A. (2014). Influence of magnetic field on the orientation of anisotropic magnetic particles at liquid interfaces. Physical chemistry chemical physics : PCCP, 16(47), 26051-26058. https://doi.org/10.1039/c4cp04270k

We study theoretically the influence of an external magnetic field on the orientation of an ellipsoidal magnetic particle adsorbed at a liquid interface. Using the finite element program Surface Evolver, we calculate the equilibrium meniscus shape ar... Read More about Influence of magnetic field on the orientation of anisotropic magnetic particles at liquid interfaces.

Microwave oven fabricated hybrid memristor devices for non-volatile memory storage (2014)
Journal Article
Verrelli, E., Gray, R. J., O'Neill, M., Kelly, S. M., & Kemp, N. T. (2014). Microwave oven fabricated hybrid memristor devices for non-volatile memory storage. Materials Research Express, 1(4), Article ARTN 046305. https://doi.org/10.1088/2053-1591/1/4/046305

© 2014 IOP Publishing Ltd. Novel hybrid non-volatile memories made using an ultra-fast microwave heating method are reported for the first time. The devices, consisting of aligned ZnO nanorods embedded in poly (methyl methacrylate), require no formin... Read More about Microwave oven fabricated hybrid memristor devices for non-volatile memory storage.

Weighing the local dark matter with RAVE red clump stars (2014)
Journal Article
Bienaymé, O., Famaey, B., Siebert, A., Freeman, K. C., Gibson, B. K., Gilmore, G., Grebel, E. K., Bland-Hawthorn, J., Kordopatis, G., Munari, U., Navarro, J. F., Parker, Q., Reid, W., Seabroke, G. M., Siviero, A., Steinmetz, M., Watson, F., Wyse, R. F. G., & Zwitter, T. (2014). Weighing the local dark matter with RAVE red clump stars. Astronomy and Astrophysics, 571, A92. https://doi.org/10.1051/0004-6361/201424478

We determine the Galactic potential in the solar neigbourhood from RAVE observations. We select red clump stars for which accurate distances, radial velocities, and metallicities have been measured. Combined with data from the 2MASS and UCAC catalogu... Read More about Weighing the local dark matter with RAVE red clump stars.

Novel conducting polymer current limiting devices for low cost surge protection applications (2014)
Journal Article
Jabarullah, N. H., Verrelli, E., Mauldin, C., Navarro, L. A., Golden, J., Madianos, L., Tsoukalas, D., & Kemp, N. T. (2014). Novel conducting polymer current limiting devices for low cost surge protection applications. Journal of applied physics, 116(16), 164501. https://doi.org/10.1063/1.4899246

We report on the development of novel intrinsic conducting polymer two terminal surge protection devices. These resettable current limiting devices consist of polyaniline nanofibres doped with methane sulphonic acid electrochemically deposited betwee... Read More about Novel conducting polymer current limiting devices for low cost surge protection applications.

Laser induced magnetization reversal for detection in optical interconnects (2014)
Journal Article
Azim, Z. A., Fong, X., Ostler, T., Chantrell, R., & Roy, K. (2014). Laser induced magnetization reversal for detection in optical interconnects. IEEE Electron Device Letters, 35(12), 1317-1319. https://doi.org/10.1109/LED.2014.2364232

Optical interconnect has emerged as the front-runner to replace electrical interconnect especially for off-chip communication. However, a major drawback with optical interconnects is the need for photodetectors and amplifiers at the receiver, impleme... Read More about Laser induced magnetization reversal for detection in optical interconnects.

Stellar neutron capture cross sections of ²⁰ ²¹ ²²Ne (2014)
Journal Article
Heil, M., Plag, R., Uberseder, E., Gallino, R., Bisterzo, S., Juseviciute, A., Käppeler, F., Lederer, C., Mengoni, A., & Pignatari, M. (2014). Stellar neutron capture cross sections of ²⁰ ²¹ ²²Ne. Physical Review C, 90(4), 045804-1-045804-11. https://doi.org/10.1103/PhysRevC.90.045804

The stellar (n,γ) cross sections of the Ne isotopes are important for a number of astrophysical quests, i.e., for the interpretation of abundance patterns in presolar material or with respect to the s-process neutron balance in red giant stars. This... Read More about Stellar neutron capture cross sections of ²⁰ ²¹ ²²Ne.