Now showing items 69-88 of 107

    • Mean transverse energy of ultrananocrystalline diamond photocathode 

      Chen, Gongxiaohui; Adhikari, Gowri; Spentzouris, Linda; Kovi, Kiran Kumar; Antipov, Sergey; Jing, Chunguang; Schroeder, W. Andreas; Baryshev, Sergey V. (AIP Publishing, 2019-03-05)
      Nitrogen incorporated ultrananocrystalline diamond [(N)UNCD] could be an enabling material platform for injector photocathode applications due to its high emissivity. While the quantum efficiency (QE) of UNCD was reported ...
    • Modeling the Fermi arc in underdoped cuprates 

      Norman, M. R; Kanigel, A; Randeria, M; Chatterjee, U; Campuzano, J. C. (American Physical Society, 2007-11)
      Angle resolved photoemission data in the pseudogap phase of underdoped cuprates have revealed the presence of a truncated Fermi surface consisting of Fermi arcs. We compare a number of proposed models for the arcs and find ...
    • Molecular ordering and phase behavior of surfactants at water-oil interfaces as probed by X-ray surface scattering 

      Schlossman, Mark L; Tikhonov, Aleksey M (Annual Reviews, 2008-05)
      Surfactants have their primary utility, both scientific and industrial, at the liquid-liquid interface. We review recent X-ray surface scattering experiments that probe the molecular ordering and phase behavior of surfactants ...
    • New class of planar ferroelectric Mott insulators via first-principles design 

      Kim, C.; Park, H.; Marianetti, C. A. (American Physical Society, 2015-12-11)
      The bulk photovoltaic effect requires a low electronic band gap (i.e., ≈1-2 eV) and large electronic polarization, which is not common in known materials. Here we use first-principles calculations to design layered double ...
    • New class of planar ferroelectric Mott insulators via first-principles design. 

      Kim, C; Park, H; Marianetti, CA (American Physical Society, 2015-12-11)
      The bulk photovoltaic effect requires a low electronic band gap (i.e., ≈1–2 eV) and large electronic polarization, which is not common in known materials. Here we use first-principles calculations to design layered double ...
    • Novel Electronic Behavior Driving NdNiO3 Metal-Insulator Transition 

      Upton, MH; Choi, Y.; Park, H.; Liu, J.; Meyers, D.; Chakhalian, J.; Middey, S.; Kim, J-W; Ryan, PJ (American Physical Society, 2015-07-13)
      We present evidence that the metal-insulator transition (MIT) in a tensile-strained NdNiO3 (NNO) film is facilitated by a redistribution of electronic density and that it neither requires Ni charge disproportionation nor ...
    • Observations of Co4+ in a higher spin state and the increase in the Seebeck coefficient of thermoelectric Ca3Co4O9 

      Klie, R. F.; Qiao, Q.; Paulauskas, T.; Gulec, A.; Rebola, A.; Prange, M. P.; Idrobo, J. C.; Pantelides, S. T.; Kolesnik, S.; Dabrowski, B.; Ozdemir, M.; Boyraz, C.; Mazumdar, D.; Gupta, A.; Öğüt, S. (American Physical Society, 2012-05)
      Ca3Co4O9 has a unique structure that leads to exceptionally high thermoelectric transport. Here we report the achievement of a 27% increase in the room-temperature in-plane Seebeck coefficient of Ca3Co4O9 thin films. We ...
    • Origin of the turn-on temperature behavior in WTe2 

      Wang, Y. L.; Thoutam, L. R.; Xiao, Z. L.; Hu, J.; Das, S.; Mao, Z. Q.; Wei, J.; Divan, R.; Luican-Mayer, A.; Crabtree, G. W.; Kwok, W. K. (American Physical Society, 2015-11-03)
      A hallmark of materials with extremely large magnetoresistance (XMR) is the transformative turn-on temperature behavior: when the applied magnetic field H is above certain value, the resistivity versus temperature ρ(T) ...
    • Origin of the turn-on temperature behavior in WTe2. 

      Wang, YL; Thoutam, LR; Xiao, ZL; Hu, J; Das, S; Mao, ZQ; Wei, J; Divan, R; Luican-Mayer, A; Crabtree, GW; Kwok, WK (American Physical Society, 2015-11-03)
      A hallmark of materials with extremely large magnetoresistance (XMR) is the transformative turn-on temperature behavior: when the applied magnetic field H is above certain value, the resistivity versus temperature ρ(T ) ...
    • Out-of-equilibrium chiral magnetic effect at strong coupling 

      Lin, Shu; Yee, Ho-Ung (American Physical Society, 2013-07)
      We study the charge transports originating from triangle anomaly in out-of-equilibrium conditions in the framework of AdS/CFT correspondence at strong coupling, to gain useful insights on possible charge separation effects ...
    • Position-sensitive change in the transition metal L-edge fine structures. 

      Gulec, A; Phillips, PJ; Klie, RF (American Institute of Physics, 2015-10-05)
      Studying the structure and composition of solid-state materials on the atomic scale has become nearly routine in transmission electron microscopy with the development of novel electron optics and electron sources. In ...
    • Probing compressed bottom squarks with boosted jets and shape analysis 

      Dutta, B.; Gurrola, A.; Hatakeyama, K.; Johns, W.; Kamon, T.; Sheldon, P.; Sinha, K.; Wu, S.; Wu, Z. (American Physical Society, 2015-11-05)
      A feasibility study is presented for the search of the lightest bottom squark (sbottom) in a compressed scenario, where its mass difference from the lightest neutralino is 5 GeV. Two separate studies are performed: 1) a ...
    • Quantifying electronic correlation strength in a complex oxide: A combined DMFT and ARPES study of LaNiO3 

      Nowadnick, EA; Ruf, JP; Park, H; King, PDC; Schlom, DG; Shen, KM; Millis, AJ (American Physical Society, 2015-12-07)
      The electronic correlation strength is a basic quantity that characterizes the physical properties of materials such as transition metal oxides. Determining correlation strengths requires both precise definitions and a ...
    • Recent Theoretical Developments in Strongly Coupled QCD 

      Yee, Ho-Ung (Elsevier, 2013-05)
      Heavy-ion collisions involve strongly coupled dynamics of QCD in the entire history of time evolution. We review recent theoretical e orts to meet this challenge, focusing on the two approaches that the speaker has ...
    • Redux on “When is the top quark a parton?” 

      Dawson, S.; Ismail, A.; Low, I. (American Physical Society, 2014-07-01)
      If a new heavy particle ϕ is produced in association with the top quark in a hadron collider, the production cross section exhibits a collinear singularity of the form logðmϕ=mtÞ, which can be resummed by introducing a ...
    • Relativistic theory of hydrodynamic fluctuations with applications to heavy-ion collisions 

      Kapusta, J. I.; Muller, B.; Stephanov, M. (American Physical Society, 2012-05)
      We develop the relativistic theory of hydrodynamic fluctuations for application to high-energy heavy-ion collisions. In particular, we investigate their effect on the expanding boost-invariant (Bjorken) solution of ...
    • Relaxation Times for Chiral Transport Phenomena and Spin Polarization in Strongly Coupled Plasma 

      Li, Shiyong; Yee, Ho-Ung (American Physical Society, 2018-09)
      We compute the dynamical relaxation times for chiral transport phenomena in a strongly coupled regime using the AdS/CFT correspondence. These relaxation times can be a useful proxy for the dynamical timescale for achieving ...
    • Role of the Gouy phase in the coherent phase control of the photoionization and photodissociation of vinyl chloride 

      Barge, Vishal J.; Hu, Zhan; Willig, Joyce; Gordon, Robert J (American Physical Socieety, 2006-12-31)
      We demonstrate theoretically and experimentally that the Gouy phase of a focused laser beam may be used to control the photoinduced reactions of a polyatomic molecule. Quantum mechanical interference between one- and ...
    • Same-sign dilepton excesses and light top squarks 

      Huang, P.; Ismail, A.; Low, I.; Wagner, C. E. M. (American Physical Society, 2015-10-28)
      Run 1 data of the Large Hadron Collider (LHC) contain excessive events in the same-sign dilepton channel with b-jets and missing transverse energy (MET), which were observed by five separate analyses from the ATLAS and CMS ...
    • Search for Top Squarks in R-Parity-Violating Supersymmetry Using Three or More Leptons and b-Tagged Jets 

      Apanasevich, Leonard; Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Ero, J.; Fabjan, C.; Friedl, M.; Fruhwirth, R. (American Physical Society, 2013)
      A search for anomalous production of events with three or more isolated leptons and bottom-quark jets produced in pp collisions at ffiffiffi s p ¼ 8 TeV is presented. The analysis is based on a data sample corresponding ...