Now showing items 222-241 of 402

  • NAF-1 and mitoNEET are central to human breast cancer proliferation by maintaining mitochondrial homeostasis and promoting tumor growth 

    Sohn, Yang-Sung; Tamir, Sagi; Song, Luhua; Michaeli, Dorit; Matouk, Imad; Conlan, Andrea R.; Harir, Yael; Holt, Sarah H.; Shulaev, Vladimir; Paddock, Mark L.; Hochberg, Abraham; Cabanchick, Ioav Z.; Onuchic, José N.; Jennings, Patricia A.; Nechushtai, Rachel; Mittler, Ron (2013)
    Mitochondria are emerging as important players in the transformation process of cells, maintaining the biosynthetic and energetic capacities of cancer cells and serving as one of the primary sites of apoptosis and ...
  • Nanoparticles Heat through Light Localization 

    Hogan, Nathaniel J.; Urban, Alexander S.; Ayala-Orozco, Ciceron; Pimpinelli, Alberto; Nordlander, Peter; Halas, Naomi J. (2014)
    Aqueous solutions containing light-absorbing nanoparticles have recently been shown to produce steam at high efficiencies upon solar illumination, even when the temperature of the bulk fluid volume remains far below its ...
  • Negative scattering length of ultracold Li7 gas 

    Moerdijk, A.J.; Stwalley, W.C.; Hulet, R.G.; Verhaar, B.J. (1994)
    We have improved the theoretical triplet ground-state potential of Li27 by means of an inverse perturbation analysis, and find that the diatomic scattering length for Li7 atoms in the F=2, mF=2 ground-state hyperfine level ...
  • Noncollinear density functional theory having proper invariance and local torque properties 

    Bulik, Ireneusz W.; Scalmani, Giovanni; Frisch, Michael J. (2013-01-11)
    Noncollinear spins are among the most interesting features of magnetic materials, and their accurate description is a central goal of density functional theory applied to periodic solids. However, these calculations typically ...
  • Numerical calculation of interaction forces between paramagnetic colloids in two-dimensional systems 

    Du, Di; Toffoletto, Frank; Biswal, Sibani Lisa (2014)
    Typically the force between paramagnetic particles in a uniform magnetic field is described using the dipolar model, which is inaccurate when particles are in close proximity to each other. Instead, the exact force between ...
  • Numerical modeling of collisional dynamics of Sr in an optical dipole trap 

    Yan, M.; Chakraborty, R.; Mazurenko, A.; Mickelson, P.G.; Martinez de Escobar, Y.N.; DeSalvo, B.J.; Killian, T.C. (2011-03-09)
    We describe a model of inelastic and elastic collisional dynamics of atoms in an optical dipole trap that utilizes numerical evaluation of statistical mechanical quantities and numerical solution of equations for the ...
  • Observation of a narrow mass state decaying into Υ(1S)+γ in pp¯ collisions at s√=1.96  TeV 

    D0 Collaboration; Chandra, A.; Corcoran, M.; Orduna, J.; Prewitt, M. (2012)
    Using data corresponding to an integrated luminosity of 1.3  fb−1, we observe a narrow mass state decaying into Υ(1S)+γ, where the Υ(1S) meson is detected by its decay into a pair of oppositely charged muons, and the photon ...
  • Observation of a peaking structure in the J/ψϕ mass spectrum from B±→ J/ψϕK± decays 

    CMS Collaboration; Adair, A.; Akgun, B.; Ecklund, K.M.; Geurts, F.J.M.; Li, W.; Padley, B.P.; Redjimi, R.; Roberts, J.; Zabel, J. (2014)
    A peaking structure in the J/ψϕ mass spectrum near threshold is observed in B±→J/ψϕK± decays, produced in pp collisions at √s=7 TeV collected with the CMS detector at the LHC. The data sample, selected on the basis of the ...
  • Observation of antiferromagnetic correlations in the Hubbard model with ultracold atoms 

    Hart, Russell A.; Duarte, Pedro M.; Yang, Tsung-Lin; Liu, Xinxing; Paiva, Thereza; Khatami, Ehsan; Scalettar, Richard T.; Trivedi, Nandini; Huse, David A.; Hulet, Randall G. (2015)
    Ultracold atoms in optical lattices have great potential to contribute to a better understanding of some of the most important issues in many-body physics, such as high-temperature superconductivity [1]. The Hubbard modelラa ...
  • Observation of Edge Transport in the Disordered Regime of Topologically Insulating InAs/GaSb Quantum Wells 

    Knez, Ivan; Rettner, Charles T.; Yang, See-Hun; Parkin, Stuart S.P.; Du, Lingjie; Du, Rui-Rui; Sullivan, Gerard (2014-01)
    We observe edge transport in the topologically insulating InAs=GaSb system in the disordered regime. Using asymmetric current paths we show that conduction occurs exclusively along the device edge, exhibiting a large Hall ...
  • Observation of Forbidden Exciton Transitions Mediated by Coulomb Interactions in Photoexcited Semiconductor Quantum Wells 

    Rice, W.D.; Kono, J.; Zybell, S.; Winnerl, S.; Bhattacharyya, J.; Schneider, H.; Helm, M.; Ewers, B.; Chernikov, A.; Koch, M.; Chatterjee, S.; Khitrova, G.; Gibbs, H.M.; Schneebeli, L.; Breddermann, B.; Kira, M.; Koch, S.W. (2013)
    We use terahertz pulses to induce resonant transitions between the eigenstates of optically generated exciton populations in a high-quality semiconductor quantum well sample. Monitoring the excitonic photoluminescence, ...
  • Observation of Quantum Jumps in a Single Atom 

    Bergquist, J.C.; Hulet, Randall G.; Itano, Wayne M.; Wineland, D.J. (1986)
    We detect the radiatively driven electric quadrupole transition to the metastable D522 state in a single, laser-cooled Hg II ion by monitoring the abrupt cessation of the fluorescence signal from the laser-excited S122→P122 ...
  • Observation of the Associated Production of a Single Top Quark and a W Boson in pp Collisions at √s=8 TeV 

    CMS Collaboration; Adair, A.; Akgun, B.; Ecklund, K.M.; Geurts, F.J.M.; Li, W.; Michlin, B.; Padley, B.P.; Redjimi, R.; Roberts, J.; Zabel, J. (2014)
    The first observation of the associated production of a single top quark and a W boson is presented. The analysis is based on a data set corresponding to an integrated luminosity of 12.2  fb−1 of proton-proton collisions ...
  • Observation of the Associated Production of a Single Top Quark and a W Boson in pp Collisions at √s=8  TeV 

    CMS Collaboration; Adair, A.; Akgun, B.; Ecklund, K.M.; Geurts, F.J.M.; Li, W.; Michlin, B.; Padley, B.P.; Redjimi, R.; Roberts, J.; Zabel, J. (2014)
    The first observation of the associated production of a single top quark and a W boson is presented. The analysis is based on a data set corresponding to an integrated luminosity of 12.2  fb−1 of proton-proton collisions ...
  • Observation of the diphoton decay of the Higgs boson and measurement of its properties 

    CMS Collaboration; Adair, A.; Akgun, B.; Ecklund, K.M.; Geurts, F.J.M.; Li, W.; Michlin, B.; Padley, B.P.; Redjimi, R.; Roberts, J.; Zabel, J. (2014)
    Observation of the diphoton decay mode of the recently discovered Higgs boson and measurement of some of its properties are reported. The analysis uses the entire dataset collected by the CMS experiment in proton-proton ...
  • Observation of velocity-tuned multiphoton "Doppleron" resonances in laser-cooled atoms 

    Tollett, J.J.; Chen, J.; Story, J.G.; Ritchie, N.W.M.; Bradley, C.C.; Hulet, Randall G. (1990)
    An atomic beam of Li was transversely cooled using an intense standing-wave radiation field. A dramatic change in the transverse velocity distribution was observed. Structure in the resulting velocity distribution was found ...
  • Observational Tests of Magnetospheric Accretion Models in Young Stars 

    Johns-Krull, Christopher M.; Cauley, P. Wilson (2014)
    Magnetically controlled accretion of disk material onto the surface of Classical T Tauri stars is the dominant paradigm in our understanding of how these young stars interact with their surrounding disks. These stars provide ...
  • OBSERVATIONS OF PLASMA UPFLOW IN A WARM LOOP WITH HINODE/EIS 

    Tripathi, Durgesh; Mason, Helen E.; Del Zanna, Giulio; Bradshaw, Steven (2012)
    A complete understanding of Doppler shift in active region loops can help probe the basic physical mechanism involved into the heating of those loops. Here, we present observations of upflows in coronal loops detected ...
  • ON THE STRUCTURE AND STABILITY OF MAGNETIC TOWER JETS 

    Huarte-Espinosa, M.; Blackman, E.G.; Ciardi, A.; Hartigan, P.; Lebedev, S.V.; Chittenden, J.P. (2012)
    Modern theoretical models of astrophysical jets combine accretion, rotation, and magnetic fields to launch and collimate supersonic flows from a central source. Near the source, magnetic field strengths must be large ...