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Browsing MIT Open Access Articles by Title

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  • Ho, Shih-Hao (American Physical Society (APS), 2011-09)
    We show that the recently considered McGreevy-Swingle model for Majorana fermions in the presence of a ’t Hooft-Polyakov magnetic monopole arises when the Jackiw-Rebbi model is constrained to be conjugation self dual.
  • Mocz, Philip; Hernquist, L.; Vogelsberger, Mark (Oxford University Press, 2014-06)
    Magnetic fields play an important role in many astrophysical systems and a detailed understanding of their impact on the gas dynamics requires robust numerical simulations. Here we present a new method to evolve the ideal ...
  • Peters, Charee L.; Lopez, Laura A.; Ramirez-Ruiz, Enrico; Stassun, Keivan G.; Figueroa-Feliciano, Enectali (American Astronomical Society, 2013-07)
    Determination of the explosion type of supernova remnants (SNRs) can be challenging, as SNRs are hundreds to thousands of years old and supernovae are classified based on spectral properties days after explosion. Previous ...
  • Wang, Yifan; Yin, Xi (American Physical Society, 2015-08)
    We study supersymmetry constraints on higher derivative deformations of type IIB supergravity by consideration of superamplitudes. Combining constraints of on-shell supervertices and basic results from string perturbation ...
  • Mesinger, Andrei; Pober, Jonathan; Ewall-Wice, Aaron Michael; Hewitt, Jacqueline N; Dillon, Joshua Shane; Liu, Adrian Chi-Yan (Oxford University Press, 2016-02)
    We use the Fisher matrix formalism and seminumerical simulations to derive quantitative predictions of the constraints that power spectrum measurements on next-generation interferometers, such as the Hydrogen Epoch of ...
  • Yunes, Nicolas; Mirshekari, Saeed; Will, Clifford M. (American Physical Society, 2012-01)
    Modified gravity theories generically predict a violation of Lorentz invariance, which may lead to a modified dispersion relation for propagating modes of gravitational waves. We construct a parametrized dispersion relation ...
  • Beauvalet, L.; Lainey, V.; Arlot, J.-E.; Bancelin, D.; Marchis, F.; Binzel, Richard P. (Elsevier, 2012-01)
    GAIA will provide observations of some multiple asteroid and dwarf systems. These observations are a way to determine and improve the quantification of dynamical parameters, such as the masses and the gravity fields, in ...
  • O’Brien, Caroline C.; Kolandaivelu, Kumaran; Brown, Jonathan; Lopes, Augusto Celso de Araujo; Kunio, Mie; Kolachalama, Vijaya Bhasker; Edelman, Elazer R.; O'Brien, Caroline C. (Public Library of Science, 2016-02)
    Background: Stacking cross-sectional intravascular images permits three-dimensional rendering of endovascular implants, yet introduces between-frame uncertainties that limit characterization of device placement and the ...
  • Whyte, Dennis G.; Labombard, Brian; Hughes, Jerry W., Jr.; Lipschultz, Bruce; Terry, James L.; Brunner, Daniel Frederic; Stangeby, P. C.; Elder, D.; Leonard, A. W.; Watkins, J. (Elsevier, 2013-01)
    A model is developed which constrains heat width, λr based on global power balance, momentum conservation, pedestal stability and sheath heat transmission. The model relies on measurements of the ratio of separatrix to ...
  • Urbano, Alfredo; Xue, Wei (Springer-Verlag, 2015-03)
    The scalar Higgs portal is a compelling model of dark matter (DM) in which a renormalizable coupling with the Higgs boson provides the connection between the visible world and the dark sector. In this paper we investigate ...
  • Agathos, M.; Meidam, J.; Del Pozzo, W.; Li, T. G. F.; Tompitak, M.; Veitch, J.; Van Den Broeck, C.; Vitale, Salvatore (American Physical Society, 2015-07)
    Recently exploratory studies were performed on the possibility of constraining the neutron star equation of state (EOS) using signals from coalescing binary neutron stars, or neutron star–black hole systems, as they will ...
  • Broderick, Avery E.; Fish, Vincent L.; Doeleman, Sheperd Samuel; Loeb, Abraham (Institute of Physics/American Astronomical Society, 2011-09)
    Millimeter wave very long baseline interferometry (mm-VLBI) provides access to the emission region surrounding Sagittarius A* (Sgr A*), the supermassive black hole at the center of the Milky Way, on sub-horizon scales. ...
  • Stein, David B.; Schoen, T. Ryan; Rus, Daniela L. (Institute of Electrical and Electronics Engineers (IEEE), 2011-12)
    This paper presents a constraint-aware decentralized approach to construction with teams of robots. We present an extension to existing work on a distributed controller for robotic construction of simple structures. Our ...
  • Lozano-Perez, Tomas; Kaelbling, Leslie P. (Institute of Electrical and Electronics Engineers (IEEE), 2014-09)
    In this paper, we describe a strategy for integrated task and motion planning based on performing a symbolic search for a sequence of high-level operations, such as pick, move and place, while postponing geometric decisions. ...
  • Mitros, Piotr (Institute of Electrical and Electronics Engineers, 2008-06)
    We describe a methodology for solving convex constraint problems using analog circuits. We demonstrate how this methodology can be used to design circuits that solve function-fitting problems through iterated gradient ...
  • Gratz, Lynne E.; Ambrose, Jesse L.; Jaffe, Daniel A.; Shah, Viral; Jaeglé, Lyatt; Giang, Amanda; Yuan, Bin; Kaser, Lisa; Apel, Eric C.; Hornbrook, Rebecca S.; Blake, Nicola J.; Weinheimer, Andrew J.; Mauldin III, Roy L.; Cantrell, Christopher A.; Castro, Mark S.; Conley, Gary; Holsen, Thomas M.; Luke, Winston T.; Talbot, Robert; Song, Shaojie; Selin, Noelle E (University of California Press, 2016-04)
    Atmosphere–surface exchange of mercury, although a critical component of its global cycle, is currently poorly constrained. Here we use the GEOS-Chem chemical transport model to interpret atmospheric Hg⁰(gaseous elemental ...
  • Park, Daniel S.; Taylor, Washington (Springer-Verlag, 2012-01)
    We study six-dimensional N = (1, 0) supergravity theories with abelian, as well as non-abelian, gauge group factors. We show that for theories with fewer than nine tensor multiplets, the number of possible combinations ...
  • Winn, Joshua Nathan; McKnight, Laura A. (IOP Publishing, 2013-10)
    There have been previous hints that the transiting planet WASP-3b is accompanied by a second planet in a nearby orbit, based on small deviations from strict periodicity of the observed transits. Here we present 17 precise ...
  • Aggarwal, Nancy; Barnum, Sam; Barsotti, Lisa; Bodiya, Timothy Paul; Donovan, Frederick J.; Essick, Reed Clasey; Evans, M.; Foley, S.; Fritschel, Peter K.; Gras, Slawek; Isogai, Tomoki; Katsavounidis, Erotokritos; Kissel, Jeffrey S.; Kwee, Patrick; Lee, J.; MacInnis, Myron E.; Mason, Kenneth R.; Matichard, Fabrice; Mavalvala, Nergis; Mittleman, Richard K.; Oelker, Eric Glenn; Shoemaker, David H.; Vaulin, Ruslan; Vitale, Salvatore; Waldman, S. J.; Weiss, Rainer; Wipf, C. C.; Zhang, Fan; Zucker, Michael E. (American Physical Society, 2014-04)
    Cosmic strings can give rise to a large variety of interesting astrophysical phenomena. Among them, powerful bursts of gravitational waves (GWs) produced by cusps are a promising observational signature. In this Letter we ...
  • Grosz, Patrick; Patel-Grosz, Pritty; Fedorenko, Evelina; Gibson, Edward A. (Oxford University Press, 2014-06)
    This article reports on an experimental study of donkey pronouns, pronouns (e.g. it) whose meaning covaries with that of a non-pronominal noun phrase (e.g. a donkey) even though they are not in a structural relationship ...
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