Now showing items 40-59 of 638

  • Bose-Einstein Condensation of 84Sr 

    Martinez de Escobar, Y.N.; Mickelson, P.G.; Yan, M.; DeSalvo, B.J.; Nagel, S.B.; Killian, T.C. (2009-11-09)
    We report Bose-Einstein condensation of Sr84 in an optical dipole trap. Efficient laser cooling on the narrow intercombination line and an ideal s-wave scattering length allow the creation of large condensates (N0∼3×105) ...
  • Bose-Einstein condensation of 88Sr through sympathetic cooling with 87Sr 

    Mickelson, P.G.; Martinez de Escobar, Y.N.; Yan, M.; DeSalvo, B.J.; Killian, T.C. (2010-05-05)
    We report Bose-Einstein condensation of Sr88, which has a small, negative s-wave scattering length (a88=−2a0). We overcome the poor evaporative cooling characteristics of this isotope by sympathetic cooling with Sr87 atoms. ...
  • Bose-Einstein condensation of lithium 

    Hulet, Randy G.; Bradley, Curtis C.; Sackett, C. A. (1997)
    Bose-Einstein condensation of 7Li has been studied in a magnetically trapped gas. Because of the effectively attractive interactions between 7Li atoms, many-body quantum theory predicts that the occupation number of the ...
  • Bose-Einstein Condensation of Lithium: Observation of Limited Condensate Number 

    Bradley, C.C.; Sackett, C.A.; Hulet, R.G. (1997)
    Bose-Einstein condensation of 7Li has been studied in a magnetically trapped gas. Because of the effectively attractive interactions between 7Li atoms, many-body quantum theory predicts that the occupation number of the ...
  • Bridging quantum and classical plasmonics with a quantum-corrected model 

    Esteban, Ruben; Borisov, Andrei G.; Nordlander, Peter; Aizpurua, Javier (2012)
    Electromagnetic coupling between plasmonic resonances in metallic nanoparticles allows for engineering of the optical response and generation of strong localized near-fields. Classical electrodynamics fails to describe ...
  • Bright matter wave solitons in Bose–Einstein condensates 

    Strecker, K.E.; Partridge, G.B.; Truscott, A.G.; Hulet, R.G. (2003)
    We review recent experimental and theoretical work on the creation of bright matter wave solitons in Bose–Einstein condensates. In two recent experiments, solitons are formed from Bose–Einstein condensates of  7Li by ...
  • Bright Soliton Trains of Trapped Bose-Einstein Condensates 

    Khawaja, U. Al; Stoof, H.T.C.; Hulet, R.G.; Strecker, K.E.; Partridge, G.B. (2002)
    We variationally determine the dynamics of bright soliton trains composed of harmonically trapped Bose-Einstein condensates with attractive interatomic interactions. In particular, we obtain the interaction potential between ...
  • BROADBAND SPECTRAL INVESTIGATIONS OF SGR J1550−5418 BURSTS 

    Lin, Lin; Baring, Matthew G.; Granot, Jonathan; Kouveliotou, Chryssa; Kaneko, Yuki; Van Der Horst, Alexander; Gruber, David; Von Kienlin, Andreas; Younes, George; Watts, Anna L.; Gehrels, Neil (2012)
    We present the results of our broadband spectral analysis of 42 SGR J1550−5418 bursts simultaneously detected with the Swift/X-ray Telescope (XRT) and the Fermi/Gamma-ray Burst Monitor (GBM), during the 2009 January active ...
  • Broadband, Polarization-Sensitive Photodetector Based on Optically-Thick Films of Macroscopically Long, Dense, and Aligned Carbon Nanotubes 

    Nanot, Sebastien; Cummings, Aron W.; Pint, Cary L.; Ikeuchi, Akira; Akiho, Takafumi; Sueoka, Kazuhisa; Hauge, Robert H.; Leonard, François; Kono, Junichiro (2013)
    Increasing performance demands on photodetectors and solar cells require the development of entirely new materials and technological approaches.Wereport on the fabrication and optoelectronic characterization of a ...
  • Bulk induced phase transition in driven diffusive systems 

    Wang, Yu-Qing; Jiang, Rui; Kolomeisky, Anatoly B.; Hu, Mao-Bin (2014-06-24)
    This paper studies a weakly and asymmetrically coupled three-lane driven diffusive system. A non-monotonically changing density profile in the middle lane has been observed. When the extreme value of the density profile ...
  • Can Gap Tuning Schemes of Long-Range Corrected Hybrid Functionals Improve the Description of Hyperpolarizabilities? 

    Garza, Alejandro J.; Osman, Osman I.; Asiri, Abdullah M.; Scuseria, Gustavo E. (2014-09-02)
    Long-range corrected hybrid density functionals (LC-DFT), with range separation parameters optimally tuned to obey Koopmans' theorem, are used to calculate the first-order hyperpolarizabilities of prototypical charge-transfer ...
  • Can Short- and Middle-Range Hybrids Describe the Hyperpolarizabilities of Long-Range Charge-Transfer Compounds? 

    Garza, Alejandro J.; Wazzan, Nuha A.; Asiri, Abdullah M.; Scuseria, Gustavo E. (2014)
    The hyperpolarizabilities of five prototypical and four recently synthesized long-range charge-transfer (CT) organic compounds are calculated using short- and middle-range (SR and MR) hybrid functionals. These results are ...
  • Capturing static and dynamic correlations by a combination of projected Hartree-Fock and density functional theories 

    Garza, Alejandro J.; Jiménez-Hoyos, Carlos A.; Scuseria, Gustavo E. (2013)
    This paper explores the possibility of combining projected Hartree-Fock and density functional theories for treating static and dynamic correlations in molecular systems with mean-field computational cost. The combination ...
  • Cell-specific transmembrane injection of molecular cargo with gold nanoparticle-generated transient plasmonic nanobubbles 

    Lukianova-Hleb, Ekaterina Y.; Wagner, Daniel S.; Brenner, Malcolm K.; Lapotko, Dmitri O. (2012)
    Optimal cell therapies require efficient, selective and rapid delivery of molecular cargo into target cells without compromising their viability. Achieving these goals exᅠvivo in bulk heterogeneous multi-cell systems such ...
  • Chaotic ionization of a stationary electron state via a phase space turnstile 

    Burke, Korana; Mitchell, Kevin A.; Ye, Shuzhen; Dunning, F. Barry (2013)
    The ionization of a highly excited Rydberg atom subjected to a periodic sequence of electric field impulses, or “kicks,” is chaotic. We focus on the dynamics of a single kicking period in order to isolate the ionization ...
  • Characterization of the Interaction between the Cohesin Subunits Rad21 and SA1/2 

    Zhang, Nenggang; Jiang, Yunyun; Mao, Qilong; Demeler, Borries; Tao, Yizhi Jane; Pati, Debananda (2013)
    The cohesin complex is responsible for the fidelity of chromosomal segregation during mitosis. It consists of four core subunits, namely Rad21/Mcd1/Scc1, Smc1, Smc3, and one of the yeast Scc3 orthologs SA1 or SA2. Sister ...
  • Characterizing high-n quasi-one-dimensional strontium Rydberg atoms 

    Hiller, M.; Yoshida, S.; Burgdorfer, J.; Ye, S.; Zhang, X.; Dunning, F.B. (2014)
    The production of high-n, n ∼ 300, quasi-one-dimensional (quasi-1D) strontium Rydberg atoms through two-photon excitation of selected extreme Stark states in the presence of a weak dc field is examined using a crossed ...
  • Charged nanograins in the Enceladus plume 

    Hill, T.W.; Thomsen, M.F.; Tokar, R.L.; Coates, A.J.; Lewis, G.R.; Young, D.T.; Crary, F.J.; Baragiola, R.A.; Johnson, R.E.; Dong, Y.; Wilson, R.J.; Jones, G.H.; Wahlund, J.-E.; Mitchell, D.G.; Horanyi, M. (2012)
    There have been three Cassini encounters with the south-pole eruptive plume of Enceladus for which the Cassini Plasma Spectrometer (CAPS) had viewing in the spacecraft ram direction. In each case, CAPS detected a cold ...
  • Chemical physics of protein folding 

    Wolynes, Peter G.; Eaton, William A.; Fersht, Alan R. (2012-10-30)
  • Chemical tuning of electrical transport in Ti1−xPtxSe2−y 

    Chen, Justin S.; Wang, Jiakui K.; Carr, Scott V.; Vogel, Sven C.; Gourdon, Olivier; Dai, Pengcheng; Morosan, E. (2015-01-20)
    The structural and transport properties of polycrystalline Ti1−xPtxSe2−y(x≤0.13,y≤0.2) are studied, revealing highly tunable electrical properties, spanning nearly ten orders of magnitude in scaled resistivity. Using x-ray ...