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Browsing MIT Open Access Articles by Title

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  • Bhattacharya, I.; Chan, Chun Wang Ivan; Hu, Qing (American Institute of Physics (AIP), 2012-01)
    A hybrid Monte Carlo-density matrix transport simulator is used to analyze the transport properties of resonant-phonon type terahertz quantum cascade lasers. By comparing calculated and experimental results, the importance ...
  • Rondenay, Stephane; Bleibinhaus, Florian (Society of Exploration Geophysicists, 2009-12)
    In full-waveform inversion of seismic body waves, often the free surface is ignored on grounds of computational efficiency. A synthetic study was performed to investigate the effects of this simplification. In terms of ...
  • Barrett, M. F.; Werpy, N. M.; McIlwraith, C. W.; Frisbie, D. D.; Grodzinsky, Alan J.; Hung, Han-Hwa K.; Frank, Eliot; Miller, Rachel Elizabeth (Journal of Bone and Joint Surgery, Inc, 2014-10)
    Background: The goal of this study was to test the ability of an injectable self-assembling peptide (KLD) hydrogel, with or without microfracture, to augment articular cartilage defect repair in an equine cartilage defect ...
  • Marino, Fabio Alessio; Faralli, Nicolas; Palacios, Tomas; Ferry, David K.; Goodnick, Stephan M.; Saraniti, Marco (Institute of Electrical and Electronics Engineers, 2009-12)
    This brief aims to show the effects of threading edge dislocations on the dc and RF performance of GaN highelectron mobility transistor (HEMT) devices. A state-of-the-art high-frequency and high-power HEMT was investigated ...
  • Kosmrlj, Andrej; Read, Elizabeth L.; Qi, Ying; Allen, Todd M.; Altfeld, Marcus; Deeks, Steven G.; Pereyra, Florencia; Carrington, Mary; Walker, Bruce D.; Chakraborty, Arup K. (Nature Publishing Group, 2010-05)
    Without therapy, most people infected with human immunodeficiency virus (HIV) ultimately progress to AIDS. Rare individuals (‘elite controllers’) maintain very low levels of HIV RNA without therapy, thereby making disease ...
  • Cummings, M. L.; Boussemart, Yves; Donmez, Birsen; Las Fargeas, Jonathan C. (Curran Associates, Inc., 2009-04)
    This paper describes the results of an experiment designed to examine the effects of time pressure on behavioral patterns. The main research hypothesis is that people under time pressure tend to increasingly rely on ...
  • Butscher, Christoph; Einstein, Herbert H.; Huggenberger, Peter (American Geophysical Union (AGU), 2011-11)
    [1] Swelling of clay-sulfate rocks is a major threat in tunneling. It is triggered by the transformation of the sulfate mineral anhydrite into gypsum as a result of water inflow in anhydrite-containing layers after tunnel ...
  • Khanna, Ira; Roy, Anindo; Rodgers, Mary M.; Krebs, Hermano Igo; Macko, Richard M.; Forrester, Larry W. (BioMed Central Ltd, 2010-05)
    Background Hemiparesis after stroke often leads to impaired ankle motor control that impacts gait function. In recent studies, robotic devices have been developed to address this impairment. While capable of imparting ...
  • Khanna, Ira; Roy, Anindo; Krebs, Hermano Igo; Rodger, Mary M.; Macko, Richard M.; Forrester, Larry W. (BioMed Central Ltd, 2010-05)
    Background Hemiparesis after stroke often leads to impaired ankle motor control that impacts gait function. In recent studies, robotic devices have been developed to address this impairment. While capable of imparting ...
  • Van Vliet, Krystyn J.; Kabir, Mohammad Mukul; Lau, Timothy T.; Lin, Xi; Yip, Sidney (American Physical Society, 2010-10)
    Diffusivity in defected crystals depends strongly on the interactions among vacancies and interstitials. Here we present atomistic analyses of point-defect cluster (PDC) concentrations and their kinetic barriers to diffusion ...
  • Zukin, Phillip; Vogelsberger, Mark; Hernquist, Lars E.; Dooley, Gregory Alan; Griffen, Brendan Francis; Ji, Alexander Pung; Frebel, Anna L. (IOP Publishing, 2014-05)
    We investigate how different cosmological parameters, such as those delivered by the WMAP and Planck missions, affect the nature and evolution of the dark matter halo substructure. We use a series of flat Λ cold dark matter ...
  • Neufeld, Tova; Ludwig, Barbara; Barkai, Uriel; Weir, Gordon C.; Colton, Clark K.; Evron, Yoav; Balyura, Maria; Yavriyants, Karina; Zimermann, Baruch; Azarov, Dmitri; Maimon, Shiri; Shabtay, Noa; Rozenshtein, Tania; Lorber, Dana; Steffen, Anja; Willenz, Udi; Bloch, Konstantine; Vardi, Pnina; Taube, Ran; de Vos, Paul; Lewis, Eli C.; Bornstein, Stefan R.; Rotem, Avi (Public Library of Science, 2013-08)
    Developing a device that protects xenogeneic islets to allow treatment and potentially cure of diabetes in large mammals has been a major challenge in the past decade. Using xenogeneic islets for transplantation is required ...
  • Bomblies, Arne; Dafalla, Mustafa; Issa-Arzika, Ibrahim; Duchemin, Jean-Bernard; Gianotti, Rebecca Louise; Eltahir, Elfatih A. B. (BioMed Central Ltd, 2008-07)
    Background: Larval control of malaria vectors has been historically successful in reducing malaria transmission, but largely fell out of favour with the introduction of synthetic insecticides and bed nets. However, an ...
  • Gutowski, Timothy G. (Inderscience, 2010)
    In this paper, we review the efficiency of both manufacturing processes and systems over recent decades and compare nano-materials technologies in this context. To a first approximation, nano-materials processes appear to ...
  • Flannick, Jason; Korn, Joshua M.; Fontanillas, Pierre; Grant, George B.; Banks, Eric; Depristo, Mark A.; Altshuler, David (Public Library of Science, 2012-07)
    High coverage whole genome sequencing provides near complete information about genetic variation. However, other technologies can be more efficient in some settings by (a) reducing redundant coverage within samples and (b) ...
  • Toikka, Juuso; Escobar, Juan F. (The Econometric Society, 2013-09)
    We study repeated Bayesian games with communication and observable actions in which the players' privately known payoffs evolve according to an irreducible Markov chain whose transitions are independent across players. Our ...
  • Johari, Ramesh; Tsitsiklis, John N. (Institute for Operations Research and the Management Sciences, 2008-07)
    We consider the problem of allocating a fixed amount of an infinitely divisible resource among multiple competing, fully rational users. We study the efficiency guarantees that are possible when we restrict to mechanisms ...
  • Colombo, Alessandro; Del Vecchio, Domitilla (Association for Computing Machinery (ACM), 2012-04)
    We consider the problem of synthesising the least restrictive controller for collision avoidance of multiple vehicles at an intersection. The largest set of states for which there exists a control that avoids collisions ...
  • Bansal, Mukul S.; Alm, Eric J.; Kellis, Manolis (Oxford University Press (OUP), 2012)
    Motivation: Gene family evolution is driven by evolutionary events such as speciation, gene duplication, horizontal gene transfer and gene loss, and inferring these events in the evolutionary history of a given gene family ...
  • Burchianti, A.; Valtolina, G.; Seman, J. A.; De Pas, M.; Inguscio, M.; Zaccanti, M.; Roati, G.; Pace, Emilio A. (American Physical Society, 2014-10)
    We use a gray molasses operating on the D[subscript 1] atomic transition to produce degenerate quantum gases of [superscript 6]Li with a large number of atoms. This sub-Doppler cooling phase allows us to lower the initial ...
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