Now showing items 95-112 of 112

    • Semianalytic model of electron pulse propagation: Magnetic lenses and rf pulse compression cavities 

      Berger, Joel A.; Schroeder, W. A. (American Institute of Physics, 2010-12-15)
      The analytical Gaussian electron pulse propagation model of Michalik and Sipe [J. Appl. Phys. 99, 054908 (2006)] is extended to include the action of external forces on the pulse. The resultant ability to simulate efficiently ...
    • Sign of Kurtosis near the QCD Critical Point 

      Stephanov, M. A. (American Physical Society, 2011-07)
      We point out that the quartic cumulant (and kurtosis) of the order parameter fluctuations is universally negative when the critical point is approached on the crossover side of the phase separation line. As a consequence, ...
    • Static polarizabilities and optical absorption spectra of gold clusters (Au-n, n=2–14 and 20) from first principles 

      Idrobo, Juan C.; Walkosz, Weronika; Yip, Shing Fan; Ogut, Serdar; Wang, Jinlan; Jellinek, Julius (American Physical Society, 2007-11)
      Static polarizabilities and optical absorption spectra for the ground state structures of gold clusters (Au-n, [n is subscript] n=2-14 and 20) are investigated from first principles within static and time-dependent density ...
    • Structural and optical characterization of infrared hot electron transistor 

      Jung, Hyeson; Pinsukanjana, Paul; Dutta, Mitra; Choi, Kwong-Kit; Tidrow, Meimei Z. (American Institute of Physics, 2010-08-01)
      We present structural, optical, and transport characterization of long wave infrared hot electron transistor (IHET) based on doped quantum wells of InGaAs/AlGaAs. The atomic resolution images and x-ray diffraction patterns ...
    • Supernova bounds on Weinberg’s Goldstone bosons 

      Keung, W-Y.; Ng, K-W.; Tu, H.; Yuan, T-C. (American Physical Society, 2014-10-16)
      Recently, Weinberg proposed a scenario where Goldstone bosons may be masquerading as fractional cosmic neutrinos. We calculate the energy loss rates through the emission of these Goldstone bosons in a postcollapse supernova ...
    • System size and centrality dependence of charged hadron transverse momentum spectra in Au + Au and Cu + Cu collisions at root s(NN)=62.4 and 200 GeV 

      Alver, B.; Back, B.B.; Baker, M.D.; Ballintijn, M.; Barton, D.S.; Betts, R.R.; Bindel, R.; Busza, W.; Chai, Z.; Chetluru, V.; Garcia, E.; Gburek, T.; Gulbrandsen, K.; Hamblen, J.; Harnarine, I.; Henderson, C.; Hofman, D.; Hollis, R.S.; Holynski, R.; Holzman, B.; Iordanova, A.; Kane, J.L.; Kulinich, P.; Kuo, C.M.; Li, W.; Lin, W.T.; Loizides, C.; Manly, S.; Mignerey, A.C.; Nouicer, R.; Olszewski, A.; Pak, R.; Reed, C.; Richardson, E.; Roland, C.; Roland, G.; Sagerer, J.; Sedykh, I.; Smith, C.E.; Stankiewicz, M.A.; Steinberg, P.; Stephans, G.S.F.; Sukhanov, A.; Szostak, A.; Tonjes, M.B.; Trzupek, A.; van Nieuwenhuizen, G.J.; Vaurynovich, S.S.; Verdier, R.; Veres, G.I.; Walters, P.; Wenger, E.; Willhelm, D.; Wolfs, F.L.H.; Wosiek, B.; Wozniak, K.; Wyngaardt, S.; Wyslouch, B. (American Physical Society, 2006-06-02)
      We present transverse momentum distributions of charged hadrons produced in Cu+Cu collisions at root sNN=62.4 and 200 GeV. The spectra are measured for transverse momenta of 0.25 < p(T)< 5.0 GeV/c at root sNN=62.4 GeV and ...
    • System size, energy, pseudorapidity, and centrality dependence of elliptic flow 

      Alver, B.; Back, B.B.; Baker, M.D.; Ballintijn, M.; Barton, D.S.; Betts, R.R.; Bickley, A.A.; Bindel, R.; Busza, W.; Carroll, A.; Chai, Z.; Chetluru, V.; Decowski, M.P.; Garcia, E.; Gburek, T.; George, N.; Gulbrandsen, K.; Halliwell, C.; Hamblen, J.; Harnarine, I.; Hauer, M.; Henderson, C.; Hofman, D.J.; Hollis, R.S.; Holynski, R.; Holzman, B.; Iordanova, A.; Johnson, E.; Kane, J.L.; Khan, N.; Kulinich, P.; Kuo, C.M.; Li, W.; Lin, W.T.; Loizides, C.; Manly, S.; Mignerey, A.C.; Nouicer, R.; Olszewski, A.; Pak, R.; Reed, C.; Richardson, E.; Roland, C.; Roland, G.; Sagerer, J.; Seals, H.; Sedykh, I.; Smith, C.E.; Stankiewicz, M.A.; Steinberg, P.; Stephans, G.S.F.; Sukhanov, A.; Szostak, A.; Tonjes, M.B.; Trzupek, A.; Vale, C.; Van Nieuwenhuizen, G.J.; Vaurynovich, S.S.; Verdier, R.; Veres, G.I.; Walters, P.; Wenger, E.; Willhelm, D.; Wolfs, F.L.H.; Wosiek, B.; Wozniak, K.; Wyngaardt, S.; Wyslouch, B. (American Physical Society, 2007-06-15)
      This Letter presents measurements of the elliptic flow of charged particles as a function of pseudorapidity and centrality from Cu-Cu collisions at 62.4 and 200 GeV using the PHOBOS detector at the Relativistic Heavy Ion ...
    • Temperature dependent photoluminescence from porous silicon nanostructures: Quantum confinement and oxide related transitions 

      Ray, Mallar; Bandyopadhyay, Nil Ratan; Ghanta, Ujjwal; Klie, Robert F.; Pramanick, Ashit Kumar (American Institute of Physics, 2011-11)
      Temperature dependent photoluminescence (PL) spectroscopy along with structural investigations of luminescent porous Si enable us to experimentally distinguish between the relative contributions of band-to-band and oxide ...
    • Temperature-Dependent Three-Dimensional Anisotropy of the Magnetoresistance in WTe2 

      Thoutam, LR; Wang, YL; Xiao, ZL; Das, S.; Luican-Mayer, A.; Divan, R.; Crabtree, GW; Kwok, WK (American Physical Society, 2015-07-22)
      Extremely large magnetoresistance (XMR) was recently discovered in WTe2, triggering extensive research on this material regarding the XMR origin. Since WTe2 is a layered compound with metal layers sandwiched between adjacent ...
    • Total Width of 125 GeV Higgs Boson 

      Barger, Vernon; Ishida, Muneyuki; Keung, Wai-Yee (American Physical Society, 2012-06)
      By using the LHC and Tevatron measurements of the cross sections to various decay channels relative to the standard model Higgs boson, the total width of the putative 125 GeV Higgs boson is determined as 6:1þ7:7 2:9 ...
    • Twist-open mechanism of DNA damage recognition by the Rad4/XPC nucleotide excision repair complex. 

      Velmurugu, Y; Chen, X; Slogoff Sevilla, P (National Academy of Sciences, 2016-04-19)
      DNA damage repair starts with the recognition of damaged sites from predominantly normal DNA. In eukaryotes, diverse DNA lesions from environmental sources are recognized by the xeroderma pigmentosum C (XPC) nucleotide ...
    • Two- to three-dimensional crossover in the electronic structure of (Bi,Pb)2(Sr,La)2CuO6+delta from angle-resolved photoemission spectroscopy 

      Tsunehiro, Takeuchi; Takeshi, Kondo; Takio, Kitao; Hiroyuki, Kaga; Hongbo, Yang; Hong, Ding; Adam, Kaminski; Juan Carlos, Campuzano (American Physical Society, 2005-11-25)
      The hole-concentration (x) dependence of the three-dimensional energy-momentum dispersion in (Bi,Pb)(2)(Sr,La)(2)CuO6+delta has been investigated by angle-resolved photoemission spectroscopy. For a heavily overdoped sample ...
    • Universality of Plasmon Excitations in Dirac Semimetals 

      Kharzeev, D. E.; Pisarski, R. D.; Yee, H. U. (American Physical Society, 2015-12-02)
      We investigate the properties of the collective plasmon excitations in Dirac semimetals by using the methods of relativistic field theory. We find a strong and narrow plasmon excitation whose frequency is in the terahertz ...
    • Universality of Plasmon Excitations in Dirac Semimetals. 

      Kharzeev, DE; Pisarski, RD; Yee, HU (American Physical Society, 2015-12-04)
      We investigate the properties of the collective plasmon excitations in Dirac semimetals by using the methods of relativistic field theory. We find a strong and narrow plasmon excitation whose frequency is in the terahertz ...
    • Vortex cutting in superconductors. 

      Glatz A; Vlasko-Vlasov VK; Kwok WK; Crabtree GW (American Physical Society, 2016-08-09)
      Vortex cutting and reconnection is an intriguing and still-unsolved problem central to many areas of classical and quantum physics, including hydrodynamics, astrophysics, and superconductivity. Here, we describe ...
    • Water at functional interfaces 

      Garde, S.; Schlossman, M.L. (Cambridge University Press, 2014-12)
      Water is, perhaps, the most important material known to humankind—fascinating even in its pure state for the range of anomalous properties it displays. There has been increasing realization that understanding the behavior ...
    • X-ray fluorescence from a model liquid/liquid solvent extraction system 

      Bu, Wei; Hou, Binyang; Mihaylov, Miroslav; Kuzmenko, Ivan; Lin, Binhua; Meron, Mati; Soderholm, L.; Luo, Guangming; Schlossman, Mark L. (American Institute of Physics, 2011-11-15)
      X-ray fluorescence near total reflection (XFNTR) is measured from the liquid/liquid interface between dodecane and an ErCl3 aqueous solution by monitoring L shell Er emission lines. A custom sample cell is used to minimize ...
    • X-ray resonant magnetic scattering study of magnetization reversals in a nanoscale spin-valve array 

      Lee, Dong Ryeol; Freeland, John W.; Choi, Yongseong; Srajer, George; Metlushko, Vitali; Ilic, Bojan (American Physical Society, 2007-10)
      We present an x-ray resonant magnetic scattering study that uses the periodicity of a patterned array of trilayer (Co/Cu/NiFe) elements to determine not only layer-dependent magnetic hysteresis, but, more importantly, to ...