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Browsing MIT Open Access Articles by Title

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  • Blanchard, R.; Menzel, S.; Pflugl, C.; Diehl, L.; Wang, Christine A.; Huang, Y.; Ryou, J.-H.; Dupuis, R. D.; Negro, L. Dal; Capasso, F. (Institute of Physics Publishing, 2011-11)
    We propose a new class of gratings having multiple spatial frequencies. Their design relies on the use of small aperiodic grating sequences as unit cells whose repetition forms a superlattice. The superlattice provides ...
  • Kaspi, Yohai; Hubbard, William B.; Showman, Adam P.; Flierl, Glenn Richard (American Geophysical Union (AGU), 2010-01)
    Telescopic observations and space missions to Jupiter have provided vast information about Jupiter's cloud level winds, but the depth to which these winds penetrate has remained an ongoing mystery. Scheduled to be launched ...
  • Regimbau, T.; Hughes, Scott A. (American Physical Society, 2009-03)
    Increasing the sensitivity of a gravitational-wave (GW) detector improves our ability to measure the characteristics of detected sources. It also increases the number of weak signals that contribute to the data. Because ...
  • Aggarwal, Nancy; Barnum, S. H.; Barsotti, Lisa; Bodiya, Timothy Paul; Donovan, Frederick J.; Essick, Reed Clasey; Evans, Matthew J.; Foley, S.; Fritschel, Peter K.; Gras, Slawek; Isogai, Tomoki; Katsavounidis, Erotokritos; Kissel, J. S.; Kwee, P.; Lee, J.; MacInnis, Myron E.; Mason, Kenneth R.; Matichard, Fabrice; Mavalvala, Nergis; Mittleman, Richard K.; Oelker, Eric Glenn; Shoemaker, David H.; Vaulin, Ruslan; Vitale, S.; Waldman, S. J.; Weiss, Rainer; Wipf, C. C.; Zhang, F.; Zucker, Michael E. (IOP Publishing, 2014-04)
    We present the results of searches for gravitational waves from a large selection of pulsars using data from the most recent science runs (S6, VSR2 and VSR4) of the initial generation of interferometric gravitational wave ...
  • Hughes, Scott A. (Annual Reviews, 2009-09)
    Largely motivated by the development of highly sensitive gravitational-wave detectors, our understanding of merging compact binaries and the gravitational waves they generate has improved dramatically in recent years. ...
  • Yunes, Nicolas; Cornish, Neil; Sampson, Laura; Pretorius, Frans (American Physical Society (APS), 2011-09)
    Gravitational wave astronomy has tremendous potential for studying extreme astrophysical phenomena and exploring fundamental physics. The waves produced by binary black hole mergers will provide a pristine environment in ...
  • Diorio, James; Cho, Yeunwoo; Duncan, James H.; Akylas, Triantaphyllos R. (American Physical Society, 2009-09)
    The nonlinear wave pattern generated by a localized pressure source moving over a liquid free surface at speeds below the minimum phase speed (c [subscript min]) of linear gravity-capillary waves is investigated experimentally ...
  • Tanino, Yukie; Nepf, Heidi; Kulis, P. S. (American Geophysical Union, 2005-12)
    A lock exchange experiment is used to investigate the propagation of gravity currents through a random array of rigid, emergent cylinders which represents a canopy of aquatic plants. As canopy drag increases, the propagating ...
  • McGreevy, John; Balasubramanian, Koushik (American Physical Society, 2008-08)
    We attempt to generalize the anti–de Sitter/conformal field theory correspondence to nonrelativistic conformal field theories which are invariant under Galilean transformations. Such systems govern ultracold atoms at ...
  • Gruber, Jonathan; Hendren, Nathaniel; Townsend, Robert (American Economic Association, 2014-01)
    This paper analyzes Thailand's 2001 healthcare reform, "30 Baht." The program increased funding available to hospitals to care for the poor and reduced copays to 30 Baht (~$0.75). Our estimates suggest the supply-side ...
  • Temin, Peter (MIT Press, 2010-10)
    In the depths of the Great Depression, John Maynard Keynes wrote that “[p]racticalmen, who believe themselves to be quite exempt from any intellectual influence, are usually the slaves of some defunct economist.”1 ...
  • Hohm, Olaf; Zwiebach, Barton (Springer-Verlag, 2015-01)
    We establish that the unusual two-form gauge transformations needed in the Green-Schwarz anomaly cancellation mechanism fit naturally into an α′-deformed generalized geometry. The algebra of gauge transformations is a ...
  • Tian, Zhiting; Esfarjani, Keivan; Chen, Gang (American Physical Society, 2014-06)
    Understanding and manipulating coherent phonon transport in solids is of interest both for enhancing the fundamental understanding of thermal transport as well as for many practical applications, including thermoelectrics. ...
  • Beck, Matthias; Haase, Christian; Sam, Steven V. (Springer Science + Business Media B.V., 2009-02)
    We examine domino tilings of rectangular boards, which are in natural bijection with perfect matchings of grid graphs. This leads to the study of their associated perfect matching polytopes, and we present some of their ...
  • Schmalensee, Richard; Heidel, Timothy D.; Kassakian, John G. (Public Utilities Reports Inc., 2012-01)
    A few years ago, former Secretary of Energy Bill Richardson characterized the U.S. electric grid, the system of physical and human systems linking generators to loads, as “third-world.” 1 More recently, others have claimed ...
  • Rodi, William L. (Elsevier, 2006-06)
    This study employs an event location algorithm based on grid search to investigate the possibility of improving seismic event location accuracy by using non-Gaussian error models. The primary departure from the Gaussian ...
  • Chen, Gang; Lan, Yucheng; Wang, Hui; Ren, Zhifeng; Wang, Dezhi (Hindawi Pub. Corp., 2010-06)
    New TEM grids coated with ultrathin amorphous Al2O3 films have been developed using atomic layer deposition technique. The amorphous Al2O3 films can withstand temperatures over 600∘C in air and 900∘C in vacuum when the ...
  • Levin, Z.; Ardon Dryer, Karin (Copernicus GmbH, 2014-05)
    Ice nuclei were measured in immersion-freezing mode in the eastern Mediterranean region using the FRIDGE-TAU (FRankfurt Ice-nuclei Deposition freezinG Experiment, the Tel Aviv University version) chamber. Aerosol particles ...
  • Shporer, A.; Winn, Joshua Nathan; Dreizler, S.; Colon, K. D.; Wood-Vasey, W. M.; Choi, P. I.; Morley, C.; Moutou, C.; Welsh, W. F.; Pollaco, D.; Starkey, D.; Adams, E.; Barros, S. C. C.; Bouchy, F.; Cabrera-Lavers, A.; Cerutti, S.; Coban, L.; Costello, K.; Deeg, H.; Diaz, R. F.; Esquerdo, G. A.; Fernandez, J.; Fleming, S. W.; Ford, E. B.; Fulton, B. J.; Good, M.; Hebrard, G.; Holman, M. J.; Hunt, M.; Kadakia, S.; Lander, G.; Lockhart, Matthew; Mazeh, T.; Morehead, R. C.; Nelson, B. E.; Nortmann, L.; Reyes, F.; Roebuck, E.; Rudy, A. R.; Ruth, R.; Simpson, E.; Vincent, C.; Weaver, G.; Xie, J. W. (IOP Publishing, 2010-09)
    We present ground-based optical observations of the 2009 September and 2010 January transits of HD 80606b. Based on three partial light curves of the 2009 September event, we derive a midtransit time of Tc [HJD] = 2455099.196 ...
  • Jordán, Andrés; Espinoza, Néstor; Rabus, Markus; Eyheramendy, Susana; Sing, David K.; Désert, Jean-Michel; Bakos, Gáspár Á.; Fortney, Jonathan J.; López-Morales, Mercedes; Maxted, Pierre F. L.; Triaud, Amaury; Szentgyorgyi, Andrew (Institute of Physics/American Astronomical Society, 2013-12)
    We present a ground-based optical transmission spectrum of the inflated sub-Jupiter-mass planet WASP-6b. The spectrum was measured in 20 spectral channels from 480 nm to 860 nm using a series of 91 spectra over a complete ...
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