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Browsing MIT Open Access Articles by Title

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  • Adams, Allan; Jockers, Hans; Kumar, Vijay; Lapan, Joshua M. (Springer-Verlag, 2011-12)
    We study sigma models in AdS4 with global N = 1 supersymmetry and find that they differ significantly from their flat-space cousins — the target space is constrained to be a K¨ahler manifold with an exact K¨ahler form, ...
  • Chester, Shai M.; Lee, Jaehoon; Pufu, Silviu S.; Yacoby, Ran (Springer-Verlag, 2014-09)
    We analyze the constraints imposed by unitarity and crossing symmetry on the four-point function of the stress-tensor multiplet of N=8 superconformal field theories in three dimensions. We first derive the superconformal ...
  • Mouchiroud, Laurent; Houtkooper, Riekelt H.; Moullan, Norman; Katsyuba, Elena; Ryu, Dongryeol; Canto, Carles; Mottis, Adrienne; Jo, Young-Suk; Viswanathan, Mohan; Schoonjans, Kristina; Auwerx, Johan; Guarente, Leonard Pershing (Elsevier, 2013-07)
    NAD[superscript +] is an important cofactor regulating metabolic homeostasis and a rate-limiting substrate for sirtuin deacylases. We show that NAD[superscript +] levels are reduced in aged mice and Caenorhabditis elegans ...
  • Bangert, Julian; Zeldovich, Nickolai (Institute of Electrical and Electronics Engineers (IEEE), 2014-05)
    We present Nail, an interface generator that allows programmers to safely parse and generate protocols defined by a Parser-Expression based grammar. Nail uses a richer set of parser combinators that induce an internal ...
  • Kao, Cindy Hsin-Liu; Dementyev, Artem; Paradiso, Joseph A.; Schmandt, Christopher M. (Association for Computing Machinery (ACM), 2015-04)
    We present NailO, a nail-mounted gestural input surface. Using capacitive sensing on printed electrodes, the interface can distinguish on-nail finger swipe gestures with high accuracy (>92%). NailO works in real-time: we ...
  • Yu, Zechuan; Lau, Denvid (Biomed Central Ltd., 2015-04)
    Atomistic simulations of cementitious material can enrich our understanding of its structural and mechanical properties, whereas current computational capacities restrict the investigation length scale within 10 nm. In ...
  • Onbasli, Mehmet Cengiz; Okyay, Ali K. (SPIE--the International Society for Optical Engineering, 2010-08)
    State-of-the-art copper interconnects suffer from increasing spatial power dissipation due to chip downscaling and RC delays reducing operation bandwidth. Wide bandwidth, minimized Ohmic loss, deep sub-wavelength confinement ...
  • Mao, Xianwen; Rutledge, Gregory C.; Hatton, Trevor Alan (Elsevier, 2014-08)
    Carbon materials are important for many electrochemical applications due to their tunable electron-transfer and charge-storage properties. Judicious structural manipulation of carbon to modulate its chemical, electronic, ...
  • Bernardi, Marco; Lohrman, Jessica; Kirkeminde, Alec; Ferralis, Nicola; Grossman, Jeffrey C.; Ren, Shenqiang; Kumar, Priyank Vijaya (American Chemical Society (ACS), 2012-09)
    Carbon materials are excellent candidates for photovoltaic solar cells: they are Earth-abundant, possess high optical absorption, and maintain superior thermal and photostability. Here we report on solar cells with active ...
  • Fachin, Fabio; Viana, J.C.; Pontes, A.J.; Rocha, L.A.; Sepulveda, A.T.; Wardle, Brian L.; Guzman de Villoria, Roberto (Elsevier, 2012-01)
    A new approach for the fabrication of flexible pressure sensors based on aligned carbon nanotubes (A-CNTs) is described in this paper. The technology is suitable for blood pressure sensors that can be attached to a stent-graft ...
  • Cohen-Karni, Tzahi; Jeong, Kyung Jae; Tsui, Jonathan H.; Reznor, Gally; Mustata, Mirela; Wanunu, Meni; Graham, Adam; Marks, Carolyn; Bell, David C.; Langer, Robert; Kohane, Daniel S. (American Chemical Society (ACS), 2012-08)
    Cell-biomaterial interactions can be controlled by modifying the surface chemistry or nanotopography of the material, to induce cell proliferation and differentiation if desired. Here we combine both approaches in forming ...
  • Liao, Bolin; Chen, Gang (Cambridge University Press (Materials Research Society), 2015-09)
    The making of composites has served as a working principle of achieving material properties beyond those of their homogeneous counterparts. The classical effective-medium theory models the constituent phases with local ...
  • Rusina, Anastasia; Durach, Maxim; Nelson, Keith Adam; Stockman, Mark I. (SPIE, 2010-08)
    Here, we establish the principal limits for the nanoconcentration of the THz radiation in metal/dielectric waveguides and determine their optimum shapes required for this nanoconcentration. We predict that the adiabatic ...
  • Bromer, Cailey; Kinney, Justin; Bartol, Thomas M.; Chirillo, Michael A.; Bourne, Jennifer N.; Harris, Kristen M.; Sejnowski, Terrence J. (eLife Sciences Publications, Ltd., 2015-11)
    Information in a computer is quantified by the number of bits that can be stored and recovered. An important question about the brain is how much information can be stored at a synapse through synaptic plasticity, which ...
  • Kalidindi, Arvind Rama; Chookajorn, Tongjai; Schuh, Christopher A. (Springer Nature, 2015-09)
    The instability of nanocrystalline materials against both grain growth and bulk phase separation is a principal challenge in their production and usage. This article reviews the thermodynamic stabilization of nanocrystalline ...
  • Duguet, T.; Unal, Baris; Ledieu, J.; Dubois, J. M.; Fournee, V.; Thiel, P. A. (American Physical Society, 2011-02)
    Among the three coexisting types of terraces found on the twofold surface of the d-Al-Cu-Co quasicrystal, nanodomains are essentially observed on the transition-metal rich ones, with a coherent interface boundary. Both ...
  • Antoniadis, Dimitri A. (Institute of Electrical and Electronics Engineers, 2010-01)
    Leading edge CMOS technologies today are unique examples of nanoscale engineering at an industrial scale. As we celebrate this remarkable achievement of our industry that forms the ever-expanding technology basis of modern ...
  • Wang, Evelyn N.; Xiao, Rong; Chu, Kuang-Han (SPIE, 2010-02)
    Microfluidic systems offer compact and efficient thermal management strategies. In this work, we investigate novel nanostructured surfaces to control fluidic behavior and enhance heat dissipation in microfluidic systems. ...
  • Ulm, Franz-Josef (Springer-Verlag, 2012-01)
    This paper summarizes recent developments in the field of nanoindentation analysis of highly heterogeneous composites. The fundamental idea of the proposed approach is that it is possible to assess nanostructure from the ...
  • Bettinger, Christopher J.; Kulig, Katherine M.; Vacanti, Joseph P.; Langer, Robert; Borenstein, Jeffrey T. (Mary Ann Liebert, Inc., 2009-07)
    Synthetic substrates that mimic the properties of extracellular matrix proteins hold significant promise for use in systems designed for tissue engineering applications. In this report, we designed a synthetic polymeric ...
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