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

Now showing items 75-94 of 532

  • Constraining Star Formation and AGN in z~2 Massive Galaxies using High Resolution MERLIN Radio Observations 

    Casey, Caitlin M., Scott C. Chapman, Tom W. B. Muxlow, Rob J. Beswick, et al. 2009. "Constraining Star Formation and AGN in z~2 Massive Galaxies using High Resolution MERLIN Radio Observations." Monthly Notices of the Royal Astronomical Society 395(3): 1249-1256
    We present high spatial resolution MERLIN 1.4GHz radio observations of two high redshift (z~2) sources, RGJ123623 (HDF147) and RGJ123617 (HDF130), selected as the brightest radio sources from a sample of submillimetre-faint ...

  • Contribution of water vapor dimers to clear sky absorption of solar radiation 

    Chylek, P., Q. Fu, H. C. W. Tso, and D. J. W. Geldart. 1999. "Contribution of water vapor dimers to clear sky absorption of solar radiation." Tellus, Series A (Dynamic Meteorology and Oceanography) 51A(2): 304-13.
    Using previously derived-values of the water vapor dimer spectral absorption cross section we calculate the water vapor dimer contribution to the clear sky absorption of solar radiation. We consider the water dimer ...

  • Convective damping of buoyancy anomalies and its effect on lapse rates in the tropical lower troposphere 

    Folkins, I.. 2006. "Convective damping of buoyancy anomalies and its effect on lapse rates in the tropical lower troposphere." Atmospheric Chemistry and Physics 6: 1-12.
    No abstract available.

  • Convergence properties as a function of spatial dimensionality of gradient expansions for the ground-state energy of an inhomogeneous electron gas 

    Geldart, D. J. W., and G. Gumbs. 1986. "Convergence properties as a function of spatial dimensionality of gradient expansions for the ground-state energy of an inhomogeneous electron gas." Physical Review B (Condensed Matter) 33(4): 2820-3. Copyright © 1986 American Physical Society.
    The extended Thomas-Fermi approximation for the ground-state energy of a many-fermion system is generalized to arbitrary spatial dimension. The authors' objective is a better understanding of convergence properties of such ...

  • Correlation between X-Ray Absorption and Chemical-Potential Measurements in Lithium Intercalated Carbons 

    DAHN, JR, JN REIMERS, T. TIEDJE, Y. GAO, et al. 1992. "Correlation between X-Ray Absorption and Chemical-Potential Measurements in Lithium Intercalated Carbons." Physical Review Letters 68(6): 835-838. doi:10.1103/PhysRevLett.68.835
    No abstract available.

  • Critical behavior of two-dimensional magnetic systems with dipole-dipole interactions 

    De'Bell, K., and D. J. W. Geldart. 1989. "Critical behavior of two-dimensional magnetic systems with dipole-dipole interactions." Physical Review B (Condensed Matter) 39(1): 743-4. Copyright © 1989 American Physical Society.
    The critical exponents of two-dimensional dipolar magnetic systems with isotropic in-plane ordering may be obtained from the expansion which determines the exponents of isotropic three-dimensional dipolar systems. However, ...

  • Critical exponents and amplitude ratios from electrical resistivity measurements of dysprosium 

    Malmstrom, G., and D. J. W. Geldart. 1980. "Critical exponents and amplitude ratios from electrical resistivity measurements of dysprosium." Physical Review B (Condensed Matter) 21(3): 1133-8. Copyright © 1980 American Physical Society.
    Resistive anomalies in helical antiferromagnets are shown to reflect the temperature dependence of the specific heat sufficiently close to the Neel temperature. The temperature dependence of superzone energy gaps does not ...

  • Critical magnetic susceptibility of gadolinium 

    Reproduced from Dunlap, R. A., N. M. Fujiki, P. Hargraves, and D. J. W. Geldart. 1994. "Critical magnetic susceptibility of gadolinium." Journal of Applied Physics Sixth Joint Magnetism and Magnetic Materials - International Magnetics Conference 76(10): 6338-40, with the permission of AIP Publishing.
    No abstract available.

  • Critical magnetic susceptibility of gadolinium 

    Hargraves, P., R. A. Dunlap, D. J. W. Geldart, and S. P. Ritcey. 1988. "Critical magnetic susceptibility of gadolinium." Physical Review B (Condensed Matter) 38(4): 2862-4. Copyright © 1988 American Physical Society.
    The magnetic suspectibility of a single crystal of high-purity gadolinium has been measured in the critical region with use of AC susceptibility methods. For reduced temperatures t10-3, the data are described by a simple ...

  • Critical Magnetic-Susceptibility of Gadolinium 

    Reproduced from DUNLAP, RA, NM FUJIKI, P. HARGRAVES, and DJW GELDART. 1994. "Critical Magnetic-Susceptibility of Gadolinium." Journal of Applied Physics 76(10): 6338-6340, with the permission of AIP Publishing.
    No abstract available.

  • Crystal-Structure of Li2fes2 

    BATCHELOR, RJ, FWB EINSTEIN, CHW JONES, R. FONG, et al. 1988. "Crystal-Structure of Li2fes2." Physical Review B 37(7): 3699-3702. doi:10.1103/PhysRevB.37.3699
    No abstract available.

  • Crystal-Structure of Lixni2-Xo2 and a Lattice-Gas Model for the Order-Disorder Transition 

    LI, W., JN REIMERS, and JR DAHN. 1992. "Crystal-Structure of Lixni2-Xo2 and a Lattice-Gas Model for the Order-Disorder Transition." Physical Review B 46(6): 3236-3246. doi:10.1103/PhysRevB.46.3236
    No abstract available.

  • Dark channels in resonant tunneling transport through artificial atoms 

    Reproduced from Vaz, Eduardo, and Jordan Kyriakidis. 2008. "Dark channels in resonant tunneling transport through artificial atoms." Journal of Chemical Physics 129(2), with the permission of AIP Publishing
    We investigate sequential tunneling through a multilevel quantum dot confining multiple electrons in the regime where several channels are available for transport within the bias window. By analyzing solutions to the master ...

  • Decadal record of satellite carbon monoxide observations 

    Worden, H. M., M. N. Deeter, C. Frankenberg, M. George, et al. 2013. "Decadal record of satellite carbon monoxide observations." Atmospheric Chemistry and Physics 13(2): 837-850.
    No abstract available.

  • Deep Gemini/GMOS imaging of an extremely isolated globular cluster in the Local Group 

    Mackey, A. D., A. M. N. Ferguson, M. J. Irwin, N. F. Martin, et al. 2009. "Deep Gemini/GMOS imaging of an extremely isolated globular cluster in the Local Group." Monthly Notices of the Royal Astronomical Society 401:533.
    We report on deep imaging of a remote M31 globular cluster, MGC1, obtained with Gemini/GMOS. Our colour-magnitude diagram for this object extends ~5 magnitudes below the tip of the red giant branch and exhibits features ...

  • Deep observations of CO line emission from star-forming galaxies in a cluster candidate at z=1.5 

    Aravena, M., C. L. Carilli, M. Salvato, M. Tanaka, et al. 2012. "Deep observations of CO line emission from star-forming galaxies in a cluster candidate at z=1.5." Monthly Notices of the Royal Astronomical Society 426: 258.
    We report results from a deep Jansky Very Large Array (JVLA) search for CO 1-0 line emission from galaxies in a candidate galaxy cluster at z~1.55 in the COSMOS field. We target 4 galaxies with optical spectroscopic redshifts ...

  • Deep SAURON Spectral-Imaging of the diffuse Lyman-alpha halo LAB1 in SSA22 

    Bower, Richard, S. L. Morris, R. Bacon, R. J. Wilman, et al. 2004. "Deep SAURON Spectral-Imaging of the diffuse Lyman-alpha halo LAB1 in SSA22." Monthly Notices of the Royal Astronomical Society 351(1): 63-69
    We have used the SAURON panoramic integral field spectrograph to study the structure of the Ly-alpha emission-line halo, LAB1, surrounding the sub-millimeter galaxy SMM J221726+0013. This emission-line halo was discovered ...

  • A Deep WSRT 1.4 GHz Radio Survey of the Spitzer Space Telescope FLSv Region 

    Morganti, R., M. A. Garrett, S. Chapman, W. Baan, et al. 2004. "A Deep WSRT 1.4 GHz Radio Survey of the Spitzer Space Telescope FLSv Region." 424(1): 371-378
    The First Look Survey (FLS) is the first scientific product to emerge from the Spitzer Space Telescope. A small region of this field (the verification strip) has been imaged very deeply, permitting the detection of ...

  • Density dependence of critical magnetic fields at the metal-insulator bifurcation in two dimensions 

    Geldart, D. J. W., and D. Neilson. 2003. "Density dependence of critical magnetic fields at the metal-insulator bifurcation in two dimensions." Physical Review B (Condensed Matter and Materials Physics) 67(4): 45310-1. Copyright © 2003 American Physical Society.
    The density dependence of the critical in-plane magnetic field Bc at the bifurcation of the resistivity of two-dimensional electron systems with low levels of disorder is determined using the spin-polarization dependence ...

  • Density of States in Graphite from Electrochemical Measurements on Lix(c1-Zbz)6 

    DAHN, JR, JN REIMERS, AK SLEIGH, and T. TIEDJE. 1992. "Density of States in Graphite from Electrochemical Measurements on Lix(c1-Zbz)6." Physical Review B 45(7): 3773-3777. doi:10.1103/PhysRevB.45.3773
    No abstract available.