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Browsing MIT Open Access Articles by Title

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  • Kirmani, Ahmed; Jeelani, Haris; Montazerhodjat, Vahid; Goyal, Vivek K. (Society of Photo-optical Instrumentation Engineers, 2011-08)
    Conventional imaging uses steady-state illumination and light sensing with focusing optics; variations of the light field with time are not exploited. We develop a signal processing framework for estimating the reflectance ...
  • Hasinoff, Samuel W.; Levin, Anat; Goode, Philip R.; Freeman, William T. (Institute of Electrical and Electronics Engineers (IEEE), 2011-11)
    Diffuse objects generally tell us little about the surrounding lighting, since the radiance they reflect blurs together incident lighting from many directions. In this paper we discuss how occlusion geometry can help invert ...
  • Donos, Aristomenis; Blake, Michael Andrew (Springer Berlin Heidelberg, 2017-02)
    We calculate the thermal diffusivity D = κ/c[subscript ρ] and butterfly velocity v[subscript B] in holographic models that flow to AdS[subscript 2] × R[superscript d] fixed points in the infra-red. We show that both these ...
  • Enright, Ryan; Mitchell, R.; Lv, C.; Mutha, Heena K.; Christiansen, Michael Gary; Thompson, Carl V.; Wang, Evelyn N. (Cambridge University Press, 2012-04)
    Uncertainty about future energy and water supplies suggests a pressing need to develop efficient technologies for water desalination. Capacitive deionization (CDI), a method that captures ions in the electrical double layer ...
  • Anand, Lallit; Di Leo, Claudio V; Rejovitzky, Elisha (Elsevier, 2015-04)
    Amorphous silicon (a-Si) is a promising material for anodes in Li-ion batteries due to its increased capacity relative to the current generation of graphite-based anode materials. However, the intercalation of lithium into ...
  • Cai, Shanqing; Tourville, Jason A.; Beal, Deryk S.; Perkell, Joseph S.; Guenther, Frank H.; Ghosh, Satrajit S. (Frontiers Research Foundation, 2014-02)
    Deficits in brain white matter have been a main focus of recent neuroimaging studies on stuttering. However, no prior study has examined brain connectivity on the global level of the cerebral cortex in persons who stutter ...
  • Choi, J.; Crowdy, Darren; Bazant, Martin Z. (Institute of Physics, 2010-09)
    We develop a general theory of transport-limited aggregation phenomena occurring on curved surfaces, based on stochastic iterated conformal maps and conformal projections to the complex plane. To illustrate the theory, we ...
  • Tzafriri, A. R.; Levin, A. D.; Edelman, Elazer R. (Wiley Blackwell, 2009-03)
    Background:  Local drug delivery has transformed medicine, yet it remains unclear how drug efficacy depends on physicochemical properties and delivery kinetics. Most therapies seek to prolong release, yet recent studies ...
  • Kindler, Kolja; Khalili, Arzhang; Stocker, Roman (National Academy of Sciences (U.S.), 2010-12)
    Downward carbon flux in the ocean is largely governed by particle settling. Most marine particles settle at low Reynolds numbers and are highly porous, yet the fluid dynamics of this regime have remained unexplored. We ...
  • Wedeen, Van J.; Sosnovik, David; Reese, Timothy G.; Dai, Guangping; Wang, Ruopeng (BioMed Central, 2009-11)
    Histological studies have shown that the myocardium consists of an array of crossing helical fiber tracts. Changes in myocardial fiber architecture occur in ischemic heart disease and heart failure, and can be imaged ...
  • Lizana, L.; Ambjornsson, T. (American Physical Society, 2009-11)
    We solve a nonequilibrium statistical-mechanics problem exactly, namely, the single-file dynamics of N hard-core interacting particles (the particles cannot pass each other) of size Δ diffusing in a one-dimensional system ...
  • Acemoglu, Daron; Ozdaglar, Asuman E.; Yildiz, Ercan (Institute of Electrical and Electronics Engineers (IEEE), 2011-12)
    While social networks do affect diffusion of innovations, the exact nature of these effects are far from clear, and, in many cases, there exist conflicting hypotheses among researchers. In this paper, we focus on the linear ...
  • Acemoglu, Daron; Ozdaglar, Asuman E.; Scaglione, Anna; Yildez, Mehmet Ercan (2011-05)
    In this paper, we are interested in modeling diffusion of innovations on social networks. We focus on a scenario where innovation emerges at a small number of nodes in the society, and each individual needs certain ...
  • Stylianopoulos, Triantafyllos; Poh, Ming-Zher; Insin, Numpon; Bawendi, Moungi G.; Fukumura, Dai; Munn, Lance L.; Jain, Rakesh K. (Elsevier, 2010-09)
    Diffusive transport of macromolecules and nanoparticles in charged fibrous media is of interest in many biological applications, including drug delivery and separation processes. Experimental findings have shown that ...
  • Silbey, Robert J.; Barkai, E. (American Physical Society, 2010-04)
    We study the diffusion of tagged hard-core interacting Brownian point particles under the influence of an external force field in one dimension. Using the Jepsen line we map this many-particle problem onto a single particle ...
  • Park, Mansoo; Alexander, Kathleen C; Schuh, Christopher A (Elsevier, 2014-05)
    The solute diffusion of tungsten at low concentrations in chromium has been investigated both by experiments and computational methods. From finite-source diffusion experiments measured with an Electron Probe Micro Analyzer ...
  • Pfefferbaum, Adolf; Adalsteinsson, Elfar; Rohlfing, Torsten; Sullivan, Edith V. (Elsevier, 2008-05)
    Diffusion tensor imaging (DTI) of the brain has become a mainstay in the study of normal aging of white matter, and only recently has attention turned to the use of DTI to examine aging effects in gray matter structures. ...
  • Deng, Chuang; Schuh, Christopher A. (American Physical Society, 2011-12)
    An adapted simulation method is used to systematically study grain boundary motion at velocities and driving forces across more than five orders of magnitude. This analysis reveals that grain boundary migration can occur ...
  • Regimbau, T.; Christensen, N.; Sathyaprakash, B.; Evans, Matthew J; Katsavounidis, Erotokritos; Vitale, Salvatore (American Physical Society, 2017-04)
    The merger rate of black hole binaries inferred from the detections in the first Advanced LIGO science run implies that a stochastic background produced by a cosmological population of mergers will likely mask the primordial ...
  • Lu, Timothy K.; Roquet, Nathaniel Bernard (Wiley Blackwell, 2014-05)
    Biotechnology offers the promise of valuable chemical production via microbial processing of renewable and inexpensive substrates. Thus far, static metabolic engineering strategies have enabled this field to advance ...
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