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Browsing MIT Open Access Articles by Title

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  • Bi, Zhuan-Fang; Rodriguez, Alejandro W.; Hashemi, Hila; Duchesne, David; Loncar, Marko; Wang, Ke-Ming; Johnson, Steven G. (Optical Society of America, 2012-03)
    By directly simulating Maxwell’s equations via the finite-difference time-domain (FDTD) method, we numerically demonstrate the possibility of achieving high-efficiency second harmonic generation (SHG) in a structure ...
  • Kim, Jeong Yun; Grossman, Jeffrey C. (American Chemical Society (ACS), 2015-04)
    Graphene superlattices made with chemical functionalization offer the possibility of tuning both the thermal and electronic properties via nanopatterning of the graphene surface. Using classical and quantum mechanical ...
  • Liu, Sheng; Liu, Yang; Lin, Jun-Hong; Zhang, Q. M.; Cebeci, Hulya Geyik; Wardle, Brian L.; de Villoria, Roberto Guzman (Wiley Blackwell, 2010-07)
    Recent advances in fabricating controlled-morphology vertically aligned carbon nanotubes (VA-CNTs) with ultrahigh volume fraction create unique opportunities for markedly improving the electromechanical performance of ionic ...
  • Hennessy, J.; Antoniadis, Dimitri A. (Institute of Electrical and Electronics Engineers, 2009-12)
    Germanium n-channel devices have historically shown poor performance due to an asy mmetric distribution of interface st ates that degrade electrostatic behavior and carrier mobility. In this study we demonstrate two methods ...
  • del Alamo, Jesus A. (CS ManTech, 2011-05)
    2010 marked the 30th anniversary of the High-Electron Mobility Transistor (HEMT). The HEMT represented a triumph for the, at the time, relatively new concept of bandgap engineering and nascent molecular beam epitaxy ...
  • Blackburn, Lindy L.; Briggs, Michael S.; Camp, J.; Christensen, N.; Connaughton, V.; Jenke, P.; Veitch, J.; Remillard, Ronald Alan (IOP Publishing, 2015-03)
    We present two different search methods for electromagnetic counterparts to gravitational-wave (GW) events from ground-based detectors using archival NASA high-energy data from the Fermi Gamma-ray Burst Monitor (GBM) and ...
  • Temim, Tea; Slane, Patrick; Castro, Daniel; Plucinsky, Paul P.; Gelfand, Joseph D.; Dickel, John R. (IOP Publishing, 2013-04)
    MSH 15-56 (G326.3–1.8) is a composite supernova remnant (SNR) that consists of an SNR shell and a displaced pulsar wind nebula (PWN) in the radio. We present XMM-Newton and Chandra X-ray observations of the remnant that ...
  • Coppi, Bruno (Institute of Physics, 2009-12)
    The theoretical finding of composite disk structures around compact objects (e.g. black holes) and recent experimental observations indicate that highly coherent and dynamically important magnetic field configurations exist ...
  • Zhang, Shuo; Hailey, Charles J.; Baganoff, Frederick K.; Bauer, Franz E.; Boggs, Steven E.; Craig, William W.; Christensen, Finn E.; Gotthelf, Eric V.; Harrison, Fiona A.; Mori, Kaya; Nynka, Melania; Stern, Daniel; Tomsick, John A.; Zhang, William W. (IOP Publishing, 2014-02)
    We report the first detection of high-energy X-ray (E > 10 keV) emission from the Galactic center non-thermal filament G359.89–0.08 (Sgr A–E) using data acquired with the Nuclear Spectroscopic Telescope Array (NuSTAR). The ...
  • Nynka, Melania; Hailey, Charles J.; Mori, Kaya; Baganoff, Frederick K.; Bauer, Franz E.; Boggs, Steven E.; Craig, William W.; Christensen, Finn E.; Gotthelf, Eric V.; Harrison, Fiona A.; Hong, Jaesub; Perez, Kerstin M.; Stern, Daniel; Zhang, Shuo; Zhang, William W. (IOP Publishing, 2013-11)
    We report the unambiguous detection of non-thermal X-ray emission up to 30 keV from the Cannonball, a few-arcsecond long diffuse X-ray feature near the Galactic Center, using the NuSTAR X-ray observatory. The Cannonball ...
  • Lin, Ying-Hsuan; Shao, Shu-Heng; Yin, Xi; Wang, Yifan (American Physical Society, 2015-12)
    We give simple arguments for new nonrenormalization theorems on higher derivative couplings of gauge theories to supergravity, with sixteen supersymmetries, by considerations of brane-bulk superamplitudes. This leads to ...
  • Price, Gregory N.; Lee, James R.; Teng, Shang-Hua; Kelner, Jonathan Adam (Institute of Electrical and Electronics Engineers, 2010-03)
    We present a general method for proving upper bounds on the eigenvalues of the graph Laplacian. In particular, we show that for any positive integer k, the kth smallest eigenvalue of the Laplacian on a bounded-degree planar ...
  • Balewski, Jan T.; Betancourt, Michael Joseph; Corliss, Ross Cameron; Hays-Wehle, James Prewitt; Hoffman, A. M.; Jones, Christopher LaDon; Kocoloski, Adam Philip; Leight, William Axel; Milner, Richard G.; Redwine, Robert P.; Sakuma, Tai; Seele, Joseph Patrick; Surrow, Bernd; Nieuwenhuizen, Gerrit van; Walker, Matthew H. (American Physical Society, 2010-07)
    We report the first measurements of the kurtosis (κ [kappa]), skewness (S), and variance (σ [sigma] [superscript 2]) of net-proton multiplicity (N [subscript p]-N [subscript p̅] ) distributions at midrapidity for Au+Au ...
  • Debelouchina, Galia Tzvetanova; Bayro, Marvin J.; Fitzpatrick, Anthony W.; Ladizhansky, Vladimir; Colvin, Michael Thomas; Caporini, Marc A.; Jaroniec, Christopher P.; Bajaj, Vikram S.; Rosay, Melanie; MacPhee, Cait E.; Vendruscolo, Michele; Maas, Werner; Dobson, Christopher M.; Griffin, Robert Guy (American Chemical Society (ACS), 2013-12)
    Protein magic angle spinning (MAS) NMR spectroscopy has generated structural models of several amyloid fibril systems, thus providing valuable information regarding the forces and interactions that confer the extraordinary ...
  • Fudenberg, Geoffrey; Mirny, Leonid A. (Elsevier, 2012-04)
    Advances in microscopy and genomic techniques have provided new insight into spatial chromatin organization inside of the nucleus. In particular, chromosome conformation capture data has highlighted the relevance of polymer ...
  • Wu, Jianlan; Cao, Jianshu (American Institute of Physics (AIP), 2013-07)
    We apply a new formalism to derive the higher-order quantum kinetic expansion (QKE) for studying dissipative dynamics in a general quantum network coupled with an arbitrary thermal bath. The dynamics of system population ...
  • Elvira, D.; Hachair, X.; Verma, V. B.; Braive, R.; Beaudoin, G.; Robert-Philip, I.; Sagnes, I.; Baek, B.; Nam, S. W.; Dauler, Eric A.; Abram, I.; Stevens, M. J.; Beveratos, A. (American Physical Society, 2011-12)
    We report on the higher-order photon correlations of a high-β nanolaser under pulsed excitation at room temperature. Using a multiplexed four-element superconducting single-photon detector we measured g(n)(0[superscript ...
  • Ananthakrishnan, A. N.; Cagan, A.; Gainer, V. S.; Cheng, S.-C.; Cai, T.; Shaw, S. Y.; Churchill, S.; Karlson, E. W.; Murphy, Shawn N.; Kohane, I.; Liao, K. P.; Szolovits, Peter (Wiley Blackwell, 2014-03)
    Background Patients with inflammatory bowel diseases (IBD) have an increased risk of clostridium difficile infection (CDI). Cathelicidins are anti-microbial peptides that attenuate colitis and inhibit the effect of ...
  • Behrens, Mark Joseph; Hopkings, M. J. (Oxford University Press, 2011-01)
    Given a maximal finite subgroup G of the nth Morava stabilizer group at a prime p, we address the question: is the associated higher real K-theory EOn a summand of the K(n)-localization of a TAF -spectrum associated to a ...
  • Flierl, Adrian; Oliveira, Luís M. A.; Falomir-Lockhart, Lisandro J.; Mak, Sally K.; Hesley, Jayne; Soldner, Frank; Arndt-Jovin, Donna J.; Jaenisch, Rudolf; Langston, J. William; Jovin, Thomas M.; Schüle, Birgitt (Public Library of Science, 2014-11)
    Parkinson disease (PD) is a multi-factorial neurodegenerative disorder with loss of dopaminergic neurons in the substantia nigra and characteristic intracellular inclusions, called Lewy bodies. Genetic predisposition, such ...
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