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Browsing MIT Open Access Articles by Title

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  • Lo, Andrew W.; Brennan, Thomas J. (University of Texas School of Law, 2012-01)
    A common theme in the regulation of financial institutions and transactions is leverage constraints. Although such constraints are implemented in various ways—from minimum net capital rules to margin requirements to credit ...
  • Liao, Qifeng; Willcox, Karen E. (Society for Industrial and Applied Mathematics, 2015-01)
    This paper proposes a decomposition approach for uncertainty analysis of systems governed by partial differential equations (PDEs). The system is split into local components using domain decomposition. Our domain-decomposed ...
  • Skirdkov, P. N.; Zvezdin, K. A.; Belanovsky, A. D.; Grollier, J.; Cros, V.; Ross, Caroline A.; Zvezdin, A. K. (American Institute of Physics, 2014-06)
    We demonstrate numerically the ability to displace a magnetic domain wall (DW) by remote spin current injection. We consider a long and narrow magnetic nanostripe with a single DW. The spin-polarized current is injected ...
  • Miao, G. X.; Mascaro, M. D.; Nam, C. H.; Ross, Caroline A.; Moodera, Jagadeesh (American Institute of Physics (AIP), 2011-07)
    In a nanowire consisting of a ferromagnet/insulator/superconductor multilayer structure, the superconductivity is shown to depend strongly on the configuration of the magnetic domain walls in the neighboring ferromagnetic ...
  • Navas, David; Redondo, Carolina; Badini Confalonieri, Giovanni A.; Batallan, Francisco; Devishvili, Anton; Asenjo, Agustina; Ross, Caroline A.; Toperverg, Boris P.; Iglesias-Freire, Oscar (American Physical Society, 2014-08)
    Ferromagnetic domain patterns and three-dimensional domain-wall configurations in thin CoCrPt films with perpendicular magnetic anisotropy were studied in detail by combining magnetic force microscopy and polarized neutron ...
  • Narula, Rohit; Bonini, Nicola; Marzari, Nicola; Reich, Stephanie (American Physical Society, 2012-03)
    The dominant phonon wave vectors q* probed by the 2D Raman mode of pristine and uniaxially strained graphene are determined via a combination of ab initio calculations and a full two-dimensional integration of the transition ...
  • Jacks, Tyler E.; Xu, Jin; Haigis, Kevin M.; Firestone, Ari J.; McNerney, Megan E.; Li, Qing; Davis, Elizabeth; Chen, Shann-Ching; Nakitandwe, Joy; Downing, James; Le Beau, Michelle M.; Shannon, Kevin (American Association for Cancer Research, 2013-06)
    Biochemical properties of Ras oncoproteins and their transforming ability strongly support a dominant mechanism of action in tumorigenesis. However, genetic studies unexpectedly suggested that wild-type (WT) Ras exerts ...
  • Puig, M. Victoria; Rose, Jonas; Schmidt, Robert; Freund, Nadja (Frontiers Research Foundation, 2014-08)
    In this review, we provide a brief overview over the current knowledge about the role of dopamine transmission in the prefrontal cortex during learning and memory. We discuss work in humans, monkeys, rats, and birds in ...
  • Tye, Kay; Mirzabekov, Julie J.; Warden, Melissa R.; Ferenczi, Emily A.; Tsai, Hsing-Chen; Finkelstein, Joel; Kim, Sung-Yon; Adhikari, Avishek; Thompson, Kimberly R.; Andalman, Aaron S.; Gunaydin, Lisa A.; Witten, Ilana B.; Deisseroth, Karl (Nature Publishing Group, 2012-12)
    Major depression is characterized by diverse debilitating symptoms that include hopelessness and anhedonia1. Dopamine neurons involved in reward and motivation are among many neural populations that have been hypothesized ...
  • Gershman, Samuel J. (MIT Press, 2014-02)
    Temporal difference learning models of dopamine assert that phasic levels of dopamine encode a reward prediction error. However, this hypothesis has been challenged by recent observations of gradually ramping stratal ...
  • Maison, Ste´phane F.; Liu, Xiao-Ping; Eatock, Ruth Anne; Sibley, David R.; Grandy, David K.; Liberman, M. Charles (Society for Neuroscience, 2012-01)
    Pharmacological studies suggest that dopamine release from lateral olivocochlear efferent neurons suppresses spontaneous and sound-evoked activity in cochlear nerve fibers and helps control noise-induced excitotoxicity; ...
  • Omura, Daniel T.; Clark, Damon A.; Samuel, Aravinthan D. T.; Horvitz, H. Robert (Public Library of Science, 2012-06)
    Dopamine is an important neuromodulator in both vertebrates and invertebrates. We have found that reduced dopamine signaling can cause a distinct abnormality in the behavior of the nematode C. elegans, which has only eight ...
  • Hong, Yeonjun Simon (Frontiers Research Foundation, 2013-12)
    There are a growing number of roles that midbrain dopamine (DA) neurons assume, such as, reward, aversion, alerting and vigor. Here I propose a theory that may be able to explain why the suggested functions of DA came ...
  • Ko, Wing Ho; Lee, Patrick A.; Wen, Xiao-Gang (American Physical Society, 2009-06)
    A Chern-Simons theory for the doped spin-1/2 kagome system is constructed, from which it is shown that the system is an exotic superconductor that breaks time-reversal symmetry. It is also shown that the system carries ...
  • Dublon, Gershon; Swartz, Noah; Joliat, Nicholas; Paradiso, Joseph A.; Pardue, Laurel Smith; Mayton, Brian Dean; Hurst, Patrick M. (Institute of Electrical and Electronics Engineers (IEEE), 2011-10)
    We present DoppelLab, an immersive sensor data browser built on a 3-d game engine. DoppelLab unifies independent sensor networks and data sources within the spatial framework of a building. Animated visualizations and ...
  • Hong, Stanley S.; Freeman, Dennis M. (SPIE, 2006-10)
    The possibility of measuring subnanometer motions with micron scale spatial resolution in the intact mammalian cochlea using Doppler optical coherence microscopy (DOCM) is demonstrated. A novel DOCM system is described ...
  • Showman, Adam P.; Fortney, Jonathan J.; Lewis, Nikole K.; Shabram, Megan (IOP Publishing, 2012-12)
    The meteorology of hot Jupiters has been characterized primarily with thermal measurements, but recent observations suggest the possibility of directly detecting the winds by observing the Doppler shift of spectral lines ...
  • Drexler, Alejandro; Schoar, Antoinette (Institute for Operations Research and the Management Sciences (INFORMS), 2014-08)
    We show that the cost of employee turnover in firms that rely on decentralized knowledge and personal relationships depends on the firms' planning horizons and the departing employees' incentives to transfer information. ...
  • Mukherjee, Sayan; Yurkovetsky, Zoya; Clyde, Merlise; Marks, Jeffrey R.; Lokshin, Anna E.; Lo, Joseph Y.; Jesneck, Jonathan Lee (Springer (Biomed Central Ltd.), 2009-05)
    Background Because screening mammography for breast cancer is less effective for premenopausal women, we investigated the feasibility of a diagnostic blood test using serum proteins. Methods This study used a set ...
  • Groß, Andrea; Kremling, Michael; Marr, Isabella; Kubinski, David; Visser, Jacobus; Moos, Ralf; Tuller, Harry L. (MDPI AG, 2013-04)
    An impedimetric NO[subscript x] dosimeter based on the NO[subscript x] sorption material KMnO[subscript 4] is proposed. In addition to its application as a low level NO[subscript x] dosimeter, KMnO[subscript 4] shows ...
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