Now showing items 21-40 of 2014

    • Adaptive Remodelling by FliN in the Bacterial Rotary Motor 

      Branch, Richard; Sayegh, Michael; Shen, Chong; Nathan, Vedavalli S.J.; Berg, Howard Curtis (Elsevier BV, 2014)
      Sensory adaptation in the Escherichia coli chemosensory pathway has been the subject of interest for decades, with investigation focusing on the receptors that process extracellular inputs. Recent studies demonstrate that ...
    • Adatom registry on Si(111)-(√3 × √3 )R30°-B 

      Bedrossian, P.; Mortensen, K.; Chen, D. M.; Golovchenko, Jene Andrew (American Physical Society (APS), 1990)
      We have used tunneling microscopy to determine the binding site of adatoms on Si(111)-(√3 × √3 )R30° stabilized by surface boron doping. The adatoms are found to occupy the T4 binding site, regardless of either the local ...
    • Adiabatic Preparation of Many-Body States in Optical Lattices 

      Sorensen, Anders; Altman, Ehud; Gullans, Michael John; Porto, J.; Lukin, Mikhail D.; Demler, Eugene A. (American Physical Society, 2010)
      We analyze a technique for the preparation of low-entropy many-body states of atoms in optical lattices based on adiabatic passage. In particular, we show that this method allows preparation of strongly correlated states ...
    • Adiabatic Quantum Simulation of Quantum Chemistry 

      Babbush, Ryan Joseph; Love, Peter; Aspuru-Guzik, Alan (Nature Publishing Group, 2014)
      We show how to apply the quantum adiabatic algorithm directly to the quantum computation of molecular properties. We describe a procedure to map electronic structure Hamiltonians to 2-body qubit Hamiltonians with a small ...
    • The AdS/QCD correspondence: still undelivered 

      Csáki, Csaba; Reece, Matthew; Terning, John (Springer Science + Business Media, 2009)
      We consider the particle spectrum and event shapes in large N gauge theories in different regimes of the short-distance ’t Hooft coupling, λ. The mesons in the small λ limit should have a Regge spectrum in order to agree ...
    • Advanced cold molecule electron EDM 

      Campbell, Wesley; Chan, Cheong; DeMille, David; Doyle, John M.; Gabrielse, Gerald; Gurevich, Yulia; Hess, Paul; Hutzler, Nicholas Richard; Kirilov, Emil; O'Leary, Brendon; Petrik, Elizabeth; Spaun, Ben; Vutha, Amar (EDP Sciences, 2013)
      Measurement of a non-zero electric dipole moment (EDM) of the electron within a few orders of magnitude of the current best limit of |de| < 1.05×10−27 e · cm would be an indication of physics beyond the Standard Model. The ...
    • The Advancement of Science, and Its Burdens 

      Holton, Gerald (American Academy of Arts and Sciences, 1986)
    • Advances in Ab Initio Modeling of the Many-Body Effects of Dispersion Interactions in Functional Organic Materials 

      Forsythe, Martin Blood Zwirner (2015-12-04)
      Accurate treatment of the long-range electron correlation energy, including dispersion interactions, is essential for describing the structure, dynamics, and function of a wide variety of systems. Among the most accurate ...
    • Algebraic Charge Liquids 

      Kaul, Ribhu; Kim, Yong; Sachdev, Subir; Senthil, T. (Nature Publishing Group, 2008)
      High temperature superconductivity emerges in the cuprate compounds upon changing the electron density of an insulator in which the electron spins are antiferromagnetically ordered. A key characteristic of the superconductor ...
    • Alkaline-Earth-Metal Atoms as Few-Qubit Quantum Registers 

      Gorshkov, Alexey Vyacheslavovich; Rey, Ana; Daley, Andrew; Boyd, Martin; Ye, Jun; Zoller, Peter; Lukin, Mikhail D. (American Physical Society, 2009)
      We propose and analyze a novel approach to quantum information processing, in which multiple qubits can be encoded and manipulated using electronic and nuclear degrees of freedom associated with individual alkaline-earth ...
    • All-Optical Initialization, Readout, and Coherent Preparation of Single Silicon-Vacancy Spins in Diamond 

      Rogers, Lachlan J.; Jahnke, Kay D.; Metsch, Mathias H.; Sipahigil, Alp; Binder, Jan M.; Teraji, Tokuyuki; Sumiya, Hitoshi; Isoya, Junichi; Lukin, Mikhail D.; Hemmer, Philip; Jelezko, Fedor (American Physical Society (APS), 2014)
      The silicon-vacancy (SiV−) color center in diamond has attracted attention because of its unique optical properties. It exhibits spectral stability and indistinguishability that facilitate efficient generation of photons ...
    • All-Optical Sensing of a Single-Molecule Electron Spin 

      Sushkov, Alexander; Chisholm, N.; Lovchinsky, I.; Kubo, M.; Lo, P. K.; Bennett, Steven; Hunger, D.; Akimov, Alexey; Walsworth, Ronald Lee; Park, H.; Lukin, Mikhail D. (American Chemical Society (ACS), 2014)
      We demonstrate an all-optical method for magnetic sensing of individual molecules in ambient conditions at room temperature. Our approach is based on shallow nitrogen-vacancy (NV) centers near the surface of a diamond ...
    • All-Optical Switch and Transistor Gated by One Stored Photon 

      Chen, Wenlan; Beck, Kristin M.; Bucker, Robert; Gullans, Michael John; Lukin, Mikhail D.; Tanji-Suzuki, Haruka; Vuletic, Vladan (American Association for the Advancement of Science (AAAS), 2013)
      The realization of an all-optical transistor, in which one “gate” photon controls a “source” light beam, is a long-standing goal in optics. By stopping a light pulse in an atomic ensemble contained inside an optical ...
    • The Amorphous-Crystal Interface in Silicon: a Tight-Binding Simulation 

      Bernstein, Noam; Aziz, Michael; Kaxiras, Efthimios (The American Physical Society, 1998)
      The structural features of the interface between the cystalline and amorphous phases of Si solid are studied in simulations based on a combination of empirical interatomic potentials and a nonorthogonal tight-binding model. ...
    • An Integrated Diamond Nanophotonics Platform for Quantum Optics 

      Evans, Ruffin Eley (2018-05-11)
      Efficient interfaces between optical photons and quantum bits are fundamental building blocks for quantum networks and large-scale quantum computers. We demonstrate an integrated platform for scalable quantum optics based ...
    • An odyssey in modern quantum many-body physics 

      Zou, Liujun (2019-05-03)
      This thesis is a collection of research work in quantum many-body physics that I have done during the past few years. The topics include: 1. a theory of anomalous magnetotransport from mass anisotropy of the fermions on a ...
    • Analog Modeling of Worm-Like Chain Molecules Using Macroscopic Beads-on-a-String 

      Tricard, Simon; Feinstein, Efraim; Shepherd, Robert F.; Reches, Meital; Snyder, Phillip W.; Bandarage, Dileni C.; Prentiss, Mara; Whitesides, George M. (Royal Society of Chemistry (RSC), 2012)
      This paper describes an empirical model of polymer dynamics, based on the agitation of millimeter-sized polymeric beads. Although the interactions between the particles in the macroscopic model, and those between the ...
    • Analysis of Scanned Probe Images for Magnetic Focusing in Graphene 

      Bhandari, Sagar; Lee, Gil-Ho; Kim, Philip; Westervelt, Robert M. (Springer Nature, 2017)
      We have used cooled scanning probe microscopy (SPM) to study electron motion in nanoscale devices. The charged tip of the microscope was raster-scanned at constant height above the surface as the conductance of the device ...
    • Analytical Methods in Mesoscopic Systems 

      Mason, Douglas Joseph (2012-10-16)
      The propsect of designing technologies around the quantum behavior of mesoscopic devices is enticing. This thesis present several tools to facilitate the process of calculating and analyzing the quantum properties of such ...
    • Analytical Steps Towards the Observation of High-Spin Black Holes 

      Shi, Yichen (2019-04-29)
      Ongoing astronomical efforts extract physical properties of a black hole from electromagnetic emissions in its vicinity. In this dissertation, we analytically study such emissions from the near-horizon region of high-spin ...