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Browsing MIT Open Access Articles by Title

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  • Fuller, Adelaide M.; Cook, Elizabeth G.; Kelley, Kerry J. (Genetics Society of America, The, 2010-03)
    TAHRE, the least abundant of the three retrotransposons forming telomeres in Drosophila melanogaster, has high sequence similarity to the gag gene and untranslated regions of HeT-A, the most abundant telomere-specific ...
  • Hu, Qing; Reno, John L.; Burghoff, David Patrick; Chan, Chun Wang Ivan (American Institute of Physics (AIP), 2012-06)
    Using terahertz time-domain spectroscopy, the gain of scattering-assisted terahertz quantum cascade lasers is measured. By examining the intersubband gain and absorption over a wide range of bias voltages, we experimentally ...
  • Fang, Taotao; Mckee, Christopher F.; Canizares, Claude R.; Wolfire, Mark (IOP Publishing, 2006-06)
    Recent Chandra and XMM-Newton observations of distant quasars have shown strong local (z ~ 0) X-ray absorption lines from highly ionized gas, primarily He-like oxygen. The nature of these X-ray absorbers, i.e., whether ...
  • Zehavi, Idit; Zheng, Zheng; Weinberg, David H.; Blanton, Michael R.; Bahcall, Neta A.; Berlind, Andreas A.; Brinkmann, Jon; Frieman, Joshua A.; Gunn, James E.; Lupton, Robert H.; Nichol, Robert C.; Percival, Will J.; Schneider, Donald P.; Skibba, Ramin A.; Strauss, Michael A.; Tegmark, Max Erik; York, Donald G. (Institute of Physics Publishing, 2011-07)
    We measure the luminosity and color dependence of galaxy clustering in the largest-ever galaxy redshift survey, the main galaxy sample of the Sloan Digital Sky Survey Seventh Data Release. We focus on the projected correlation ...
  • Schwab, Josiah; Bolton, Adam S.; Rappaport, Saul A. (American Astronomical Society, 2010-01)
    Galaxy-scale strong gravitational lenses with measured stellar velocity dispersions allow a test of the weak-field metric on kiloparsec scales and a geometric measurement of the cosmological distance-redshift relation, ...
  • Shin, Hyundong; Win, Moe Z. (Institute of Electrical and Electronics Engineers, 2009-04)
    In this paper, we derive Gallager's random coding error exponent for multiple-input multiple-output (MIMO) Rayleigh block-fading channels, assuming no channel-state information (CSI) at the transmitter and perfect CSI at ...
  • Luo, Tengfei; Garg, Jivtesh; Shiomi, Junichiro; Esfarjani, Keivan; Chen, Gang (IOP Publishing, 2013-01)
    In this paper, thermal conductivity of crystalline GaAs is calculated using first-principles lattice dynamics. The harmonic and cubic force constants are obtained by fitting them to the force-displacement data from density ...
  • Frazzoli, Emilio; Savla, Ketan (Institute of Electrical and Electronics Engineers, 2010-01)
    In this paper we consider a class of dynamic vehicle routing problems, in which a number of mobile agents in the plane must visit target points generated over time by a stochastic process. It is desired to design motion ...
  • Borgs, Christian; Chayes, Jennifer; Karrer, Brian; Meeder, Brendan; Ravi, R.; Reagans, Ray Eugene; Sayedi, Amin (Springer-Verlag, 2010-12)
    We study the effect of information overload on user engagement in an asymmetric social network like Twitter. We introduce simple game-theoretic models that capture rate competition between celebrities producing updates in ...
  • Chung, J. W.; Ryu, Kevin K.; Palacios, Tomas (Institute of Electrical and Electronics Engineers (IEEE), 2010-11)
    The Si substrate of GaN-on-Si wafers offers new opportunities to increase the functionality and performance of nitride-based devices. This paper will review three examples of these new devices/systems. First, GaN-on-Si ...
  • Lu, Bin; Piedra, Daniel; Palacios, Tomas (Institute of Electrical and Electronics Engineers (IEEE), 2010-12)
    Between 5 and 10% of the world's electricity is wasted as dissipated heat in the power electronic circuits needed, for example, in computer power supplies, motor drives or the power inverters of photovoltaic systems. This ...
  • Wen, Xiao-Gang; Liu, Min; Liu, Zheng-Xin (American Physical Society, 2011-08)
    We study different quantum phases in integer spin systems with on-site D[subscript 2h]=D[subscript 2]⊗Z[subscript 2] and translation symmetry. We find four distinct nontrivial phases in S=1 spin chains despite the fact ...
  • Chen, Xie; Zeng, Bei; Gu, Zheng-Cheng; Yoshida, Beni; Chuang, Isaac L. (American Physical Society, 2009-06)
    Many-body entangled quantum states studied in condensed matter physics can be primary resources for quantum information, allowing any quantum computation to be realized using measurements alone, on the state. Such a universal ...
  • Agarwal, Niket; Krishna, Tushar; Peh, Li-Shiuan; Jha, Niraj K. (Institute of Electrical and Electronics Engineers (IEEE), 2009-05)
    Until very recently, microprocessor designs were computation-centric. On-chip communication was frequently ignored. This was because of fast, single-cycle on-chip communication. The interconnect power was also insignificant ...
  • Lawler, S. M.; Herbst, W.; Redfield, S.; Hamilton, C. M.; Johns-Krull, C. M.; Winn, Joshua Nathan; Johnson, J. A.; Mundt, R. (IOP Publishing, 2010-02)
    Na I D lines in the spectrum of the young binary KH 15D have been analyzed in detail. We find an excess absorption component that may be attributed to foreground interstellar absorption, and to gas possibly associated with ...
  • Guerra-Garcia, Carmen; Martinez-Sanchez, Manuel (IOP Publishing, 2013-08)
    In this paper we evaluate the dynamics of non-thermal plasmas developing in extremely non-homogeneous environments. We present the gas-confined barrier discharge (GBD) concept and justify its importance as a first step to ...
  • Kelleher, Aidan Michael; Averett, T.; Dolph, P. A. M.; Mooney, K. E.; Nelyubin, V.; Singh, J.; Tobias, W. A. (American Physical Society, 2011-12)
    The dynamics of the movement of gas is discussed for two-chambered polarized 3He target cells of the sort that have been used successfully for many electron-scattering experiments. A detailed analysis is presented showing ...
  • Martoff, C. J.; Sciolla, Gabriella (Institute of Physics Publishing, 2009-10)
    Dark matter (DM) detectors with directional sensitivity have the potential of yielding an unambiguous positive observation of WIMPs as well as discriminating between galactic DM halo models. In this paper, we introduce the ...
  • Hadjiconstantinou, Nicolas; Manela, A. (American Institute of Physics (AIP), 2010-06)
    We study the flow-field generated in a one-dimensional wall-bounded gas layer due to an arbitrary small-amplitude time variation in the temperature of its boundaries. Using the Fourier transform technique, analytical results ...
  • Hollmann, E. M.; Whyte, D. G.; Antar, G. Y.; Bakhtiari, M.; Boedo, J. A.; Evans, T. E.; Hutchinson, Ian H.; Jernigan, T. C.; Gray, D. S.; Groth, M.; Humphreys, D. A.; Lasnier, C. J.; Moyer, R. A.; Parks, P. B; Rudakov, D. L.; Strait, E. J.; Wesley, J.; West, W. P.; Wurden, G.; Yu, J.; Granetz, Robert S.; Izzo, Viviana A.; Bader, Aaron Craig; Biewer, T.; Hutchinson, Ian H.; Reinke, Matthew Logan; Terry, James L. (Institute of Physics Publishing, 2007-08)
    High-pressure noble gas jet injection is a mitigation technique which potentially satisfies the requirements of fast response time and reliability, without degrading subsequent discharges. Previously reported gas jet ...
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