Browsing Physics & Atmospheric Science Faculty Research, Publications and Presentations by Title

Now showing items 264-283 of 532

  • Local structure and magnetic properties of B2- and B20-like ultrathin Mn films grown on Si(001) 

    Kahwaji, S., R. A. Gordon, E. D. Crozier, and T. L. Monchesky. 2012. "Local structure and magnetic properties of B2- and B20-like ultrathin Mn films grown on Si(001)." Physical Review B (Condensed Matter and Materials Physics) 85(1): 0144059. doi:10.1103/PhysRevB.85.014405
    The structural and magnetic properties of ultrathin Mn layers deposited onto Si(001) by molecular beam epitaxy at low temperature are reported. X-ray absorption fine structure studies reveal that the structure of the ...

  • A low-level circulation in the tropics 

    Folkins, Ian, S. Fueglistaler, G. Lesins, and T. Mitovski. 2008. "A low-level circulation in the tropics." Journal of the Atmospheric Sciences 65(3): 1019-1034.
    Deep convective tropical systems are strongly convergent in the midtroposphere. Horizontal wind measurements from a variety of rawinsonde arrays in the equatorial Pacific and Caribbean are used to calculate the mean dynamical ...

  • Luminous Starbursts in the Redshift Desert at z 1-2: Star Formation Rates, Masses & Evidence for Outflows 

    Banerji, Manda, Scott C. Chapman, Ian Smail, S. Alaghband-Zadeh, et al. 2011. "Luminous Starbursts in the Redshift Desert at z 1-2: Star Formation Rates, Masses & Evidence for Outflows." Monthly Notices of the Royal Astronomical Society 418:1071.
    We present a spectroscopic catalogue of 40 luminous starburst galaxies at z=0.7--1.7 (median z=1.3). 19 of these are submillimetre galaxies (SMGs) and 21 are submillimetre-faint radio galaxies (SFRGs). This sample helps ...

  • The M33 Globular Cluster System with PAndAS Data: The Last Outer Halo Cluster? 

    Cockcroft, Robert, William E. Harris, Annette M. N. Ferguson, Avon Huxor, et al. 2011. "The M33 Globular Cluster System with PAndAS Data: The Last Outer Halo Cluster?." The Astrophysical Journal 730: 112.
    We use CFHT/MegaCam data to search for outer halo star clusters in M33 as part of the Pan-Andromeda Archaeological Survey (PAndAS). This work extends previous studies out to a projected radius of 50 kpc and covers over 40 ...

  • Macroscopic quantum tunneling of ferromagnetic domain walls 

    Braun, HB, J. Kyriakidis, and D. Loss. 1997. "Macroscopic quantum tunneling of ferromagnetic domain walls." Physical Review B 56(13): 8129-8137. Copyright © 1997 American Physical Society.
    No abstract available.

  • Magnetic properties of Co/GaAs(110) 

    Monchesky, T. L., and J. Unguris. 2006. "Magnetic properties of Co/GaAs(110)." Physical Review B (Condensed Matter and Materials Physics) 74(24): 241301-1. doi:10.1103/PhysRevB.74.241301
    We observed three magnetic states of an ultrathin, atomically well-ordered Co film grown on a cleaved GaAs(110) substrate. For a Co thickness less than 3.4 monolayers (ML), we find a ferromagnetically dead layer associated ...

  • Magnetic susceptibility of metallic transition-metal dichalcogenides 

    MacDonald, A. H., and D. J. W. Geldart. 1981. "Magnetic susceptibility of metallic transition-metal dichalcogenides." Physical Review B (Condensed Matter) 24(1): 469-72. Copyright © 1981 American Physical Society.
    A tight-binding model has been used to estimate the anisotropy of the magnetic susceptibility of the metallic transition-metal dichalcogenides. The calculated anisotropies obtained are in qualitative agreement with ...

  • Magnetization dynamics of the ferrimagnet CoGd near the compensation of magnetization and angular momentum 

    Binder, M., A. Weber, O. Mosendz, G. Woltersdorf, et al. 2006. "Magnetization dynamics of the ferrimagnet CoGd near the compensation of magnetization and angular momentum." Physical Review B 74(13): 134404-134404. doi:10.1103/PhysRevB.74.134404
    No abstract available.

  • Magnetoresistance and magnetic properties of Fe/Cu/Fe/GaAs(100) 

    Monchesky, T. L., B. Heinrich, R. Urban, K. Myrtle, et al. 1999. "Magnetoresistance and magnetic properties of Fe/Cu/Fe/GaAs(100)." Physical Review B (Condensed Matter) 60(14): 10242-51. doi:10.1103/PhysRevB.60.10242
    A procedure for growth of smooth As free Fe surfaces on (46)-GaAs(100) is presented. Ferromagnetic resonance (FMR) revealed that the Fe films have anisotropies equal to bulk Fe, modified only by interface anisotropies. The ...

  • Mapping isoprene emissions over North America using formaldehyde column observations from space 

    Palmer, PI, DJ Jacob, AM Fiore, RV Martin, et al. 2003. "Mapping isoprene emissions over North America using formaldehyde column observations from space." Journal of Geophysical Research-Atmospheres 108(D6): 4180-4180. DOI:10.1029/2002JD002153
    No abstract available.

  • Mapping the Clumpy Structures within Submillimeter Galaxies using Laser-Guide Star Adaptive Optics Spectroscopy 

    Menéndez-Delmestre, Karín, Andrew W. Blain, Mark Swinbank, Ian Smail, et al. 2013. "Mapping the Clumpy Structures within Submillimeter Galaxies using Laser-Guide Star Adaptive Optics Spectroscopy." The Astrophysical Journal 767(2):151
    We present the first integral-field spectroscopic observations of high-redshift submillimeter-selected galaxies (SMGs) using Laser Guide Star Adaptive Optics (LGS-AO). We target H-alpha emission of three SMGs at redshifts ...

  • The masses of Local Group dwarf spheroidal galaxies: The death of the universal mass profile 

    Collins, Michelle L. M., Scott C. Chapman, R. M. Rich, Rodrigo A. Ibata, et al. 2013. "The masses of Local Group dwarf spheroidal galaxies: The death of the universal mass profile." The Astrophysical Journal 783(1):7.
    We investigate the claim that all dwarf spheroidal galaxies (dSphs) reside within halos that share a common, universal mass profile as has been derived for dSphs of the Galaxy. By folding in kinematic information for 25 ...

  • Maximally fast coarsening algorithms 

    Cheng, M., and A. D. Rutenberg. 2005. "Maximally fast coarsening algorithms." Physical review.E, Statistical, nonlinear, and soft matter physics 72(5 Pt 2): 055701.
    We present maximally fast numerical algorithms for conserved coarsening systems that are stable and accurate with a growing natural time step Deltat=At2/3s. We compare the scaling structure obtained from our maximally fast ...

  • Measurement of the Sunyaev-Zel'dovich Increment in Massive Galaxy Clusters 

    Zemcov, Michael, Mark Halpern, Colin Borys, Scott Chapman, et al. 2003. "Measurement of the Sunyaev-Zel'dovich Increment in Massive Galaxy Clusters." Monthly Notices of the Royal Astronomical Society 346(4): 1179-1188
    We have detected the Sunyaev-Zel'dovich (SZ) increment at 850 microns in two galaxy clusters (Cl 0016+16 and MS 1054.4-0321) using SCUBA (Sub-millimetre Common User Bolometer Array) on the James Clerk Maxwell Telescope. ...

  • Measurements and Analysis of Neutron Elastic-Scattering at 65 Mev 

    HJORT, EL, FP BRADY, JL ROMERO, JR DRUMMOND, et al. 1994. "Measurements and Analysis of Neutron Elastic-Scattering at 65 Mev." Physical Review C 50(1): 275-281. Copyright © 1994 American Physical Society.
    No abstract available.

  • The melting level stability anomaly in the tropics 

    Folkins, I.. 2013. "The melting level stability anomaly in the tropics." Atmospheric Chemistry and Physics 13(3): 1167-1176.
    No abstract available.

  • Metallicity of In chains on Si(111) 

    Hill, IG, and AB McLean. 1997. "Metallicity of In chains on Si(111)." Physical Review B 56(24): 15725-15728. doi:10.1103/PhysRevB.56.15725
    No abstract available.

  • Mid- to far infrared properties of star-forming galaxies and active galactic nuclei 

    Magdis, G. E., D. Rigopoulou, G. Helou, D. Farrah, et al. 2013. "Mid- to far infrared properties of star-forming galaxies and active galactic nuclei." Astronomy and Astrophysics 558: A136
    We study the mid- to far-IR properties of a 24um-selected flux-limited sample (S24 > 5mJy) of 154 intermediate redshift (~0.15), infrared luminous galaxies, drawn from the 5MUSES survey. By combining existing mid-IR ...

  • A Mid-Infrared Imaging Survey of Submillimeter-Selected Galaxies with the Spitzer Space Telescope 

    Laura J. Hainline, A. W. Blain, Ian Smail, D. T. Frayer, S. C. Chapman, R. J. Ivison,D.M.Alexander,. 2009. "A Mid-Infrared Imaging Survey of Submillimeter-Selected Galaxies with the <I>Spitzer Space Telescope</I>." The Astrophysical Journal 699(2): 1610-1632.
    We present <I>Spitzer</I>-IRAC and MIPS mid-IR observations of a sample of 73 radio-detected submillimeter-selected galaxies (SMGs) with spectroscopic redshifts, the largest such sample published to date. From our data, ...

  • Mid-Infrared Spectroscopy of High Redshift Submillimeter Galaxies: First Results 

    Menéndez-Delmestre, Karín, Andrew W. Blain, Dave M. Alexander, Ian Smail, et al. 2007. "Mid-Infrared Spectroscopy of High Redshift Submillimeter Galaxies: First Results." The Astrophysical Journal 655(2): 65-L68
    We present mid-infrared spectra of 5 submillimeter galaxies at z=0.65-2.38 taken with the Spitzer Space Telescope. Four of these sources, at z&lt;1.5, have strong PAH features and their composite spectrum is well fitted ...