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  • 1
    Electronic Resource
    Electronic Resource
    Stochastic resonance in perspective (1995)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 661-683 
    Details
    ISSN: 0392-6737
    Keywords: General, theoretical, and mathematical biophysics (including logic of biosystems, quantum biology and relevant aspects of thermodynamics, information theory, cybernetics and bionics) ; Fluctuation phenomena, random processes, and Brownian motion ; Probability theory, stochastic processes, and statistics ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary We outline the historical development of stochastic resonance (SR), a phenomenon in which the signal and/or the signal-to-noise ratio in a nonlinear system increase with increasing intensity of noise. We discuss basic theoretical ideas explaining and describing SR, and we review some revealing experimental data that place SR within the wider context of statistical physics. We emphasize the close relationship of SR to some effects that are well known in condensed-matter physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02451825
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  • 2
    Electronic Resource
    Electronic Resource
    Fluctuations, stochastic resonance and noise-protected heterodyning in bistable optical systems (1995)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 743-754 
    Details
    ISSN: 0392-6737
    Keywords: Optical bistability, multistability, and switching ; optical computers ; Fluctuation phenomena, random processes and Brownian motion ; Optical resonantors ; Probability theory, stochastic processes and statistics ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary Statistical distributions, power spectra and susceptibilities of an all-optical bistable system subject to noise are considered. In the presence of an additional small periodic signal, a stochastic-resonance phenomenon for additive noise is found to occur, and has been investigated theoretically and experimentally. A new form of optical heterodyning related to stochastic resonance, in which two high-frequency signals (an input signal and a reference one) are applied to an all-optical bistable system, is reported. A noise-induced enhancement of the heterodyne signal has been investigated theoretically, by means of analogue electronic simulation and in experiments in which a optical system was driven by two modulated laser beams at different wavelengths.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02451831
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  • 3
    Electronic Resource
    Electronic Resource
    Quasi-monochromatic noise in bistable systems: The nature of large occasional fluctuations (1995)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 755-764 
    Details
    ISSN: 0392-6737
    Keywords: Chemical kinetics ; Fluctuation phenomena, random processes, and Brownian motion ; Probability theory, stochastic processes, and statistics ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary The response of an overdamped system to quasi-monochromatic (high-frequency narrow band) noise (QMN) has been investigated by means of analogue electronic experiments. Measurements of the stationary and prehistory probability distributions demonstrate that large occasional, fluctuations are markedly different in character from those that occur when the system is driven by white or exponentially correlated noise. In particular, we report the first experimental observation of a switching point, a critical value of the coordinatex that separates regions which, with an overwhelming probability, are accessed by the fluctuating system along topologically different paths. The results are discussed in terms of, and shown to be consistent with, an existing theoretical description of the QMN-driven system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02451832
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  • 4
    Electronic Resource
    Electronic Resource
    Liquid and solid helium (1976)
    [s.l.] : Nature Publishing Group
    Nature 264 (1976), S. 817-817 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME books are to be read as a whole; others may to greater advantage be dipped into with discretion. This book, consisting of six chapters each of which amounts to a relatively self-contained review article on a specialised topic, clearly belongs to the latter class. The first chapter, by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/264817a0
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  • 5
    Electronic Resource
    Electronic Resource
    Irreversibility of classical fluctuations studied in analogue electrical circuits (1997)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 389 (1997), S. 463-466 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fluctuations around some average or equilibrium state arise universally in physical systems. Large fluctuations — fluctuations that are much larger than average — occur only rarely but are responsible for many physical processes, such as nucleation in phase transitions, chemical ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/38963
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  • 6
    Electronic Resource
    Electronic Resource
    Colored noise in the ring-laser gyroscope: Theory and simulation (1987)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 62 (1987), S. 721-723 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We present a theoretical analysis of the effect of noise color on the mean beat frequency of a ring-laser gyroscope based on the matrix continued-fraction technique. The results are compared to measurements made on an electronic circuit model, and to digital simulations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.339751
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  • 7
    Electronic Resource
    Electronic Resource
    Noise-enhanced optical heterodyning in an all-optical bistable system (1995)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 67 (1995), S. 308-310 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A new form of frequency-selective all-optical heterodyning at the difference frequency of two modulated laser beams, related to stochastic resonance, is reported. A noise-induced enhancement of the heterodyne signal and of the signal-to-noise ratio has been predicted and observed in an all-optical bistable system for the beams at different wavelengths. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.115427
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  • 8
    Electronic Resource
    Electronic Resource
    Below 1 K (1976)
    [s.l.] : Nature Publishing Group
    Nature 264 (1976), S. 489-489 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE of the most surprising things about research at very low temperatures, to the uninitiated, is its continuing interest and richness. With each further improvement in technology, enabling physicists to push even closer to their unattainable goal of the absolute zero of temperature, there have ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/264489b0
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  • 9
    Electronic Resource
    Electronic Resource
    Viscosity of 3 He– 4 He solutions (1989)
    [s.l.] : Nature Publishing Group
    Nature 337 (1989), S. 16-17 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LIQUID helium thickens slightly when subjected to a strong magnetic field at very low temperatures. The latest measurements of this intriguing effect, which occurs only in liquid 3He-4He isotopic mixtures or in pure liquid 3He, are reported in a recent issue of Physical Review Letters (61, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/337016a0
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  • 10
    Electronic Resource
    Electronic Resource
    On the practical side (1989)
    [s.l.] : Nature Publishing Group
    Nature 338 (1989), S. 177-177 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PHYSICS is a fortiori an experimental subject. Take away the experiments and one is left with mathematics; and the mathematics, however beautiful, may not necessarily relate to the real universe that physicists endeavour to describe. That is why all undergraduate students of physics, even aspiring ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/338177a0
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