Now showing items 860-879 of 942

    • Superfluorescence from photoexcited semiconductor quantum wells: Magnetic field, temperature, and excitation power dependence 

      Cong, Kankan; Wang, Yongrui; Kim, Ji-Hee; Noe, G. Timothy II; McGill, Stephen A.; Belyanin, Alexey; Kono, Junichiro (2015)
      Superfluorescence (SF) is a many-body process in which a macroscopic polarization spontaneously builds up from an initially incoherent ensemble of excited dipoles and then cooperatively decays, producing a delayed pulse ...
    • Suppression of non-prompt J/ψ, prompt J/ψ , and Υ (1S) in PbPb collisions at √sNN=2.76 TeV 

      CMS Collaboration; Adair, A.; Boulahouache, C.; Cuplov, V.; Ecklund, K.M.; Geurts, F.J.M.; Padley, B.P.; Redjimi, R.; Roberts, J.; Zabel, J. (2012)
      Yields of prompt and non-prompt J/ψ, as well as Υ(1S) mesons, are measured by the CMS experiment via their μ + μ − decays in PbPb and pp collisions at √sNN=2.76 TeV for quarkonium rapidity |y| < 2.4. Differential cross ...
    • Suppression of Y production in d+Au and Au+Au collisions at √SNN=200 GeV 

      STAR Collaboration; Butterworth, J.; Eppley, G.; Geurts, F.; Llope, W.J.; McDonald, D.; Roberts, J.B.; Xin, K.; Yepes, P. (2014)
      We report measurements of Y meson production in p+p, d+Au, and Au+Au collisions using the STAR detector at RHIC. We compare the Y yield to the measured cross section in p+p collisions in order to quantify any modifications ...
    • Surface magnetization of Gd at the bulk Curie temperature 

      Rau, C.; Robert, M. (1987)
      Electron-capture spectroscopy is used to study the long-ranged surface ferromagnetic order of Gd in the neighborhood of the bulk Curie temperature TCbulk at which, unlike bulk ferromagnetic order, it does not vanish. The ...
    • Surface transport coefficients for three-dimensional topological superconductors 

      Xie, Hong-Yi; Chou, Yang-Zhi; Foster, Matthew S. (2015)
      We argue that surface spin and thermal conductivities of three-dimensional topological superconductors are universal and topologically quantized at low temperature. For a bulk winding number ν, there are |ν| “colors” of ...
    • The Surprising in Vivo Instability of Near-IR-Absorbing Hollow Au-Ag Nanoshells 

      Goodman, Amanda M.; Cao, Yang; Urban, Cordula; Neumann, Oara; Ayala-Orozco, Ciceron; Knight, Mark W.; Joshi, Amit; Nordlander, Peter; Halas, Naomi J. (2014)
      Photothermal ablation based on resonant illumination of near-infrared-absorbing noble metal nanoparticles that have accumulated in tumors is a highly promising cancer therapy, currently in multiple clinical trials. A crucial ...
    • A survey of irradiated pillars, globules, and jets in the Carina nebula 

      Hartigan, P.; Reiter, M.; Smith, N.; Bally, J. (2015)
      We present wide-field, deep narrowband H2, Brγ, Hα, [S ii], [O iii], and broadband I- and K-band images of the Carina star formation region. The new images provide a large-scale overview of all the H2 and Brγ emission ...
    • Symmetry-projected wave functions in quantum Monte Carlo calculations 

      Shi, Hao; Jiménez-Hoyos, Carlos A.; Rodríguez-Guzmán, R.; Scuseria, Gustavo E.; Zhang, Shiwei (2014)
      We consider symmetry-projected Hartree-Fock trial wave functions in constrained-path Monte Carlo (CPMC) calculations. Previous CPMC calculations have mostly employed Hartree-Fock (HF) trial wave functions, restricted or ...
    • Synergy between pair coupled cluster doubles and pair density functional theory 

      Garza, Alejandro J.; Bulik, Ireneusz W.; Henderson, Thomas M.; Scuseria, Gustavo E. (2015)
      Pair coupled cluster doubles (pCCD) has been recently studied as a method capable of accounting for static correlation with low polynomial cost. We present three combinations of pCCD with Kohn–Sham functionals of the density ...
    • Synthesis and Crystal Structure of Gold Nanobelts 

      Payne, Courtney M.; Tsentalovich, Dmitri E.; Benoit, Denise N.; Anderson, Lindsey J.E.; Guo, Wenhua; Colvin, Vicki L.; Pasquali, Matteo; Hafner, Jason H. (2014)
      Gold nanobelts were synthesized by the reduction of tetrachloroauric acid with ascorbic acid in the presence of the surfactants cetyltrimethylammonium bromide and sodium dodecylsulfate. The resulting structures have ...
    • Synthetic-gauge-field stabilization of the chiral-spin-liquid phase 

      Chen, Gang; Hazzard, Kaden R. A.; Rey, Ana Maria; Hermele, Michael (2016)
      We explore the phase diagram of the SU(N) Hubbard models describing fermionic alkaline-earth-metal atoms in a square optical lattice with, on average, one atom per site, using a slave rotor mean-field approach. We find ...
    • System size and energy dependence of near-side dihadron correlations 

      STAR Collaboration; Eppley, G.; Geurts, F.; Llope, W.J.; McDonald, D.; Roberts, J.B.; Yepes, P. (2012)
      Two-particle azimuthal (Δφ) and pseudorapidity (Δη) correlations using a trigger particle with large transverse momentum (pT) in d+Au, Cu+Cu, and Au+Au collisions at √sNN= 62.4 GeV and 200 GeV from the STAR experiment at ...
    • System-size dependence of transverse momentum correlations at √sNN=62.4 and 200 GeV at the BNL Relativistic Heavy Ion Collider 

      STAR Collaboration; Butterworth, J.; Eppley, G.; Geurts, F.; Llope, W.J.; McDonald, D.; Roberts, J.B.; Xin, K.; Yepes, P. (2013)
      We present a study of the average transverse momentum (pt) fluctuations and pt correlations for charged particles produced in Cu+Cu collisions at midrapidity for √sNN= 62.4 and 200 GeV. These results are compared with those ...
    • T Cell Repertoire Diversity Is Decreased in Type 1 Diabetes Patients 

      Tong, Yin; Li, Zhoufang; Zhang, Hua; Xia, Ligang; Zhang, Meng; Xu, Ying; Wang, Zhanhui; Deem, Michael W.; Sun, Xiaojuan; He, Jiankui (2016)
      Type 1 diabetes mellitus (T1D) is an immune-mediated disease. The autoreactive T cells in T1D patients attack and destroy their own pancreatic cells. In order to systematically investigate the potential autoreactive T cell ...
    • Template–Framework Interactions in Tetraethylammonium-Directed Zeolite Synthesis 

      Schmidt, Joel E.; Fu, Donglong; Deem, Michael W.; Weckhuysen, Bert M. (2016)
      Zeolites, having widespread applications in chemical industries, are often synthesized using organic templates. These can be cost-prohibitive, motivating investigations into their role in promoting crystallization. Herein, ...
    • Tensegrity and motor-driven effective interactions in a model cytoskeleton 

      Wang, Shenshen; Wolynes, Peter G. (2012)
      Actomyosin networks are major structural components of the cell. They provide mechanical integrity and allow dynamic remodeling of eukaryotic cells, self-organizing into the diverse patterns essential for development. We ...
    • Terahertz and Infrared Spectroscopy of Gated Large-Area Graphene 

      Ren, Lei; Zhang, Qi; Yao, Jun; Sun, Zhengzong; Kaneko, Ryosuke; Yan, Zheng; Nanot, Sébastien L.; Jin, Zhong; Kawayama, Iwao; Tonouchi, Masayoshi; Tour, James M.; Kono, Junichiro (2012)
      We have fabricated a centimeter-size single-layer graphene device with a gate electrode, which can modulate the transmission of terahertz and infrared waves. Using time-domain terahertz spectroscopy and Fourier-transform ...
    • Ternary CuIn7Se11: Towards Ultra-Thin Layered Photodetectors and Photovoltaic Devices 

      Lei, Sidong; Sobhani, Ali; Wen, Fangfang; George, Antony; Wang, Qizhong; Huang, Yihan; Dong, Pei; Li, Bo; Najmaei, Sina; Bellah, James; Gupta, Gautam; Mohite, Aditya D.; Ge, Liehui; Lou, Jun; Halas, Naomi J.; Vajtai, Robert; Ajayan, Pulickel (2014)
      2D materials have been widely studied over the past decade for their potential applications in electronics and optoelectronics. In these materials, elemental composition plays a critical role in defining their physical ...
    • TESTING DISK-LOCKING IN NGC 2264 

      Cauley, P. Wilson; Johns-Krull, Christopher M.; Hamilton, Catrina M.; Lockhart, Kelly (2012)
      We test analytic predictions from different models of magnetospheric accretion, which invoke disk-locking, using stellar and accretion parameters derived from models of low-resolution optical spectra of 36 T Tauri stars ...
    • Testing the estimated hypothetical response of a major CME impact on Earth and its implications to space weather 

      Bala, Ramkumar; Reiff, Patricia; Russell, C.T. (2015)
      The high-speed coronal mass ejection (CME), ejected on 23 July 2012, observed by STEREO-A on the same day as the leading edge of the CME arrived at 1AU was unique both in respect to the observed plasma and magnetic structure ...