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Browsing MIT Open Access Articles by Title

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  • Zill, Oliver A.; Scannell, Devin; Teytelman, Leonid; Rine, Jasper (Public Library of Science, 2010-11)
    Co-evolution of transcriptional regulatory proteins and their sites of action has been often hypothesized but rarely demonstrated. Here we provide experimental evidence of such co-evolution in yeast silent chromatin, a ...
  • Grushin, Adolfo G.; Bardarson, Jens H.; Venderbos, Jorn W. F. (American Physical Society, 2015-03)
    We present a physical scenario in which both Fermi arcs and two-dimensional gapless Dirac states coexist as boundary modes at the same two-dimensional surface. This situation is realized in topological insulator–Weyl ...
  • Li, Lu; Richter, C.; Mannhart, J.; Ashoori, Raymond (Nature Publishing Group, 2011-09)
    A two dimensional electronic system forms at the interface between the band insulators LaAlO[subscript 3] and SrTiO[subscript 3]. Samples fabricated until now have been found to be either magnetic or superconducting, depending ...
  • Gao, Song; Frejinger, Emma; Ben-Akiva, Moshe E. (Elsevier, 2011-05)
    Real-time traffic information is increasingly available to support route choice decisions by reducing the travel time uncertainty. However it is likely that a traveler cannot assess all available information on all alternative ...
  • Krueger, Dilja D.; Osterweil, Emily; Chen, Stephanie P.; Tye, Lynne D.; Bear, Mark (National Academy of Sciences (U.S.), 2011-02)
    Among the hallmark phenotypes reported in individuals with fragile X syndrome (FXS) are deficits in attentional function, inhibitory control, and cognitive flexibility, a set of cognitive skills thought to be associated ...
  • Hauschild, Markus; Mulliken, Grant Haverstock; Fineman, Igor; Loeb, Gerald E.; Andersen, Richard A. (National Academy of Sciences (U.S.), 2012-10)
    Cortical neural prosthetics extract command signals from the brain with the goal to restore function in paralyzed or amputated patients. Continuous control signals can be extracted from the motor cortical areas, whereas ...
  • Hauschild, Markus; Mulliken, Grant Haverstock; Fineman, Igor; Loeb, Gerald E.; Andersen, Richard A. (National Academy of Sciences (U.S.), 2012-10)
    Cortical neural prosthetics extract command signals from the brain with the goal to restore function in paralyzed or amputated patients. Continuous control signals can be extracted from the motor cortical areas, whereas ...
  • Rosen, Allyson C.; Sugiura, Lisa; Kramer, Joel H.; Gabrieli, Susan; Gabrieli, John D. E. (IOS Press, 2011-08)
    A randomized pilot experiment examined the neural substrates of response to cognitive training in participants with mild cognitive impairment (MCI). Participants performed exercises previously demonstrated to improve ...
  • Hodges, Jonathan S.; Jiang, L.; Lukin, M. D.; Cappellaro, Paola (American Physical Society, 2009-05)
    We consider a protocol for the control of few-qubit registers comprising one electronic spin embedded in a nuclear spin bath. We show how to isolate a few proximal nuclear spins from the rest of the bath and use them as ...
  • Peterer, Michael J.; Bader, Samuel J.; Jin, Xiaoyue; Yan, Fei; Kamal, Archana; Gudmundsen, Theodore J.; Leek, Peter J.; Oliver, William D.; Gustavsson, Simon; Orlando, Terry Philip (American Physical Society, 2015-01)
    We present measurements of coherence and successive decay dynamics of higher energy levels of a superconducting transmon qubit. By applying consecutive π pulses for each sequential transition frequency, we excite the qubit ...
  • Lee, Patrick A.; Senthil, Todadri (American Physical Society, 2009-08)
    The issues of single particle coherence and its interplay with singlet pairing are studied within the slave boson gauge theory of a doped Mott insulator. Prior work by one of us [T. Senthil, Phys. Rev. B 78, 045109 (2008)] ...
  • Thompson, J. D.; Tiecke, T. G.; Zibrov, A. S.; Lukin, M. D.; Vuletic, V. (American Physical Society, 2013-03)
    We investigate quantum control of a single atom in a tightly focused optical tweezer trap. We show that inevitable spatially varying polarization gives rise to significant internal-state decoherence but that this effect ...
  • Stanwix, P. L.; Pham, L. M.; Maze, J. R.; Le Sage, D.; Yeung, T. K.; Cappellaro, Paola; Hemmer, P. R.; Yacoby, A.; Lukin, M. D.; Walsworth, R. L. (American Physical Society, 2010-11)
    We present an experimental and theoretical study of electronic spin decoherence in ensembles of nitrogen-vacancy (NV) color centers in bulk high-purity diamond at room temperature. Under appropriate conditions, we find ...
  • Kumar, Sushil; Hu, Qing (American Physical Society, 2009-12)
    We develop simple density-matrix models to describe the role of coherence in resonant-tunneling (RT) transport of quantum-cascade lasers (QCLs). Specifically, we investigate the effects of coherent coupling between the ...
  • Cogswell, Daniel A.; Bazant, Martin Z. (American Chemical Society (ACS), 2012-02)
    A theoretical investigation of the effects of elastic coherency strain on the thermodynamics, kinetics, and morphology of intercalation in single LiFePO4 nanoparticles yields new insights into this important battery material. ...
  • Maznev, Alexei; Manke, Kara Jean; Klieber, C.; Nelson, Keith Adam; Baek, S. H.; Eom, C. B. (Optical Society of America, 2011-08)
    In a modification of a picosecond ultrasonic technique, a short acoustic pulse is launched into a liquid sample by a laser pulse absorbed in a semitransparent transducer film and is detected via coherent Brillouin scattering ...
  • Dorsch, Friedhelm; Miester, Carl; Hostetler, John L.; Donnelly, Joseph P.; Sanchez-Rubio, Antonio; Turner, George W.; Connors, Michael K.; Augst, Steven J.; Missaggia, Leo J.; Chann, Bien; Huang, Robin K. (Society of Photo-optical Instrumentation Engineers, 2009-02)
    A long-standing challenge for semiconductor lasers is scaling the optical power and brightness of many diode lasers by coherent beam combination. Because single-mode semiconductor lasers have limited power available from ...
  • Jacobs, Kurt; Wang, Xiaoting; Wiseman, Howard M. (IOP Publishing, 2014-07)
    We show that when the speed of control is bounded, there is a widely applicable minimal-time control problem for which a coherent feedback protocol is optimal, and is faster than all measurement-based feedback protocols, ...
  • Ammari, Habib; Bretin, Elie; Garner, Josselin; Jugnon, Vincent (Society for Industrial and Applied Mathematics, 2012-09)
    The aim of this paper is to develop new coherent interferometry (CINT) algorithms to correct the effect of an unknown cluttered sound speed (random fluctuations around a known constant) on photoacoustic images. By ...
  • Hostetler, John L.; Miester, Carl; Dorsch, Friedhelm; Huang, Robin K.; Chann, Bien; Missaggia, Leo J.; Augst, Steven J.; Connors, Michael K.; Turner, George W.; Sanchez-Rubio, Antonio; Donnelly, Joseph P. (Institute of Electrical and Electronics Engineers, 2009-08)
    We have coherently combined up to 7.2 W CW using an individually addressable 10-element-array of 960-nm slab-coupled optical waveguide lasers (SCOWLs). We are currently scaling the phase-locked output power to 100 W using ...
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