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  • 1
    Electronic Resource
    Electronic Resource
    Resonance splitting in discrete planar arrays of Josephson junctions (1996)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 79 (1996), S. 7864-7870 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have measured and modeled the dynamics of inductively coupled discrete arrays of niobium Josephson junctions. We see splitting of the Eck step in the current-voltage characteristic. Numerical simulations reproduce this splitting and are used to find an approximate solution for the junction phases at resonance. Using the technique of harmonic balance, we find an analytic expression for the resonance frequencies and the voltages that match this splitting. We can also predict the amplitude of these oscillations. The analytical results describe both the experiments and simulations well. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.362396
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  • 2
    Electronic Resource
    Electronic Resource
    Exploring complex networks (2001)
    [s.l.] : Nature Publishing Group
    Nature 410 (2001), S. 268-276 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The study of networks pervades all of science, from neurobiology to statistical physics. The most basic issues are structural: how does one characterize the wiring diagram of a food web or the Internet or the metabolic network of the bacterium Escherichia coli? Are there any unifying principles ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35065725
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  • 3
    Electronic Resource
    Electronic Resource
    Theoretical mechanics Crowd synchrony on the Millennium Bridge (2005)
    [s.l.] : Nature Publishing Group
    Nature 438 (2005), S. 43-44 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Soon after the crowd streamed on to London's Millennium Bridge on the day it opened, the bridge started to sway from side to side: many pedestrians fell spontaneously into step with the bridge's vibrations, inadvertently amplifying them. Here we model this unexpected and now notorious ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/438043a
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  • 4
    Electronic Resource
    Electronic Resource
    Complex systems Romanesque networks (2005)
    [s.l.] : Nature Publishing Group
    Nature 433 (2005), S. 365-366 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] At lunch a few weeks ago, a colleague abruptly pulled a massive vegetable from his briefcase and passed it around the table. He was offering the rest of us a head of Romanesque broccoli — to ponder, not to eat. The surface of a Romanesque is exquisitely symmetrical, sporting dozens of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/433365a
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  • 5
    Electronic Resource
    Electronic Resource
    Linguistics Modelling the dynamics of language death (2003)
    [s.l.] : Nature Publishing Group
    Nature 424 (2003), S. 900-900 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Thousands of the world's languages are vanishing at an alarming rate, with 90% of them being expected to disappear with the current generation. Here we develop a simple model of language competition that explains historical data on the decline of Welsh, Scottish Gaelic, Quechua (the most common ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/424900a
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  • 6
    Electronic Resource
    Electronic Resource
    Collective dynamics of ‘small-world’ networks (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 393 (1998), S. 440-442 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Networks of coupled dynamical systems have been used to model biological oscillators, Josephson junction arrays,, excitable media, neural networks, spatial games, genetic control networks and many other self-organizing systems. Ordinarily, the connection topology is assumed to be either ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/30918
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  • 7
    Electronic Resource
    Electronic Resource
    Ordering chaos with disorder (1995)
    [s.l.] : Nature Publishing Group
    Nature 378 (1995), S. 444-444 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SYNCHRONIZATION of an array of non-linear oscillators — for instance, coupled Josephson junctions or semiconductor lasers — is most easily achieved if all the oscillators are identical. Or so one might have thought. On page 465 of this issue, Braiman, Lindner and Ditto provide an ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/378444a0
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  • 8
    Electronic Resource
    Electronic Resource
    Hasty basics (1995)
    [s.l.] : Nature Publishing Group
    Nature 377 (1995), S. 396-396 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NONLINEAR dynamics was a hot subject in the early 1980s. I remember the excitement and frustration of our informal seminars where a few graduate students and young professors struggled to explain unfamiliar things to one another, the blind leading ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/377396a0
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  • 9
    Electronic Resource
    Electronic Resource
    Five parametric resonances in a microelectromechanical system (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 396 (1998), S. 149-152 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Mathieu equation governs the forced motion of a swing, the stability of ships and columns, Faraday surface wave patterns on water,, the dynamics of electrons in Penning traps, and the behaviour of parametric amplifiers based on electronic or superconducting devices. Theory predicts that ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/24122
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  • 10
    Electronic Resource
    Electronic Resource
    Nonlinear dynamics Death by delay (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 394 (1998), S. 316-317 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Anyone who has ever taken a shower in an old dormitory knows that time delays can cause oscillatory instabilities. First the water is too cold, so you turn up the heat. But as you stand there shivering, the water does not get any hotter, because of delays in the antiquated heating system. If you ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/28488
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