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  • Articles  (118)
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  • 1
    Electronic Resource
    Electronic Resource
    A model for the origin of life (1982)
    Springer
    Journal of molecular evolution 18 (1982), S. 344-350 
    Details
    ISSN: 1432-1432
    Keywords: Origin of life ; Statistical model
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A simple statistical model is constructed, describing the transition from disorder to order in a population of mutually catalytic molecules undergoing random mutations. The consequences of the model are calculated, and its possible relevance to the problem of the origin of life is discussed. The main conclusion of the analysis is that the model allows populations of several thousand molecular units to make the transition from disorder to order with reasonable probability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01733901
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  • 2
    Electronic Resource
    Electronic Resource
    Volcano Theory of Pulsars (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 486-487 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A neutron star volcano will differ in essential respects from a terrestrial volcano. The material will expand in volume by an enormous factor as it rises to the surface, and it will emerge like a hypersonic jet from a rocket nozzle rather than like a lava-flow. Most of the material will fall back ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/223486a0
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  • 3
    Electronic Resource
    Electronic Resource
    The inventor of modern science (1999)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 400 (1999), S. 27-27 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] James Bradley laid the foundations of modern science in his aunt's attic. His impressively precise astronomical measurements gave birth to experimental physics as we know it. The first in our series of millennium ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/21798
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  • 4
    Electronic Resource
    Electronic Resource
    Reality bites (1996)
    [s.l.] : Nature Publishing Group
    Nature 380 (1996), S. 296-296 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The End of the World: The Science and Ethics of Human Extinction. By John Leslie. Routledge: 1996. Pp. 305. £16.99, $23. To be published in the United States in May. THE subject of this book is a philosophical speculation that the author calls the "doomsday argument". The same ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/380296a0
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  • 5
    Electronic Resource
    Electronic Resource
    DISCUSSION PAPER: INTERSTELLAR TRANSPORT (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 163 (1969), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1969.tb13067.x
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  • 6
    Electronic Resource
    Electronic Resource
    Feathered wisdom (1985)
    [s.l.] : Nature Publishing Group
    Nature 318 (1985), S. 415-416 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book has been edited by three pillars of the Harvard establishment who have long experience as expert advisors to the American government. They have produced an introductory chapter and two summarizing chapters. In between are six chapters written by others, discussing in greater depth six ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/318415a0
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  • 7
    Electronic Resource
    Electronic Resource
    In the conflux of eternities (1979)
    [s.l.] : Nature Publishing Group
    Nature 282 (1979), 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] In the Centre of Immensities. By Bernard Lovell. Pp. 174. (Hutchinson: London; Harper and Row: New York, 1979.) £5.50. LOVELIES life-work has been the exploration of the Universe by means of radio-telescopes. He was one of the small group of pioneers who understood thirty years ago that the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/282177a0
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  • 8
    Electronic Resource
    Electronic Resource
    An Ising ferromagnet with discontinuous long-range order (1971)
    Springer
    Communications in mathematical physics 21 (1971), S. 269-283 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract An infinite one-dimensional Ising ferromagnetM with long-range interactions is constructed and proved to have the following properties. (1)M has an order-disorder phase transition at a finite temperature. (2) Any Ising ferromagnet of the same structure asM, but with interactions tending to zero with distance more rapidly than those ofM, cannot have a phase-transition. (3) The long-range-order parameter (thermal average of the spin-spin correlation at infinite distance) jumps discontinuously from zero in the disordered phase to a finite value in the ordered phase. All three properties have been conjectured by Anderson and Thouless to hold for a particular Ising ferromagnet which is relevant to the theory of the Kondo effect. AlthoughM is not identical to Anderson's model, the results proved forM support the validity of the physical arguments of Anderson and Thouless.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01645749
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  • 9
    Electronic Resource
    Electronic Resource
    Existence of a phase-transition in a one-dimensional Ising ferromagnet (1969)
    Springer
    Communications in mathematical physics 12 (1969), S. 91-107 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract Existence of a phase-transition is proved for an infinite linear chain of spins μ j =±1, with an interaction energy $$H = - \sum J(i - j)\mu _i \mu _j ,$$ whereJ(n) is positive and monotone decreasing, and the sums ΣJ(n) and Σ (log logn) [n 3 J(n)]−1 both converge. In particular, as conjectured byKac andThompson, a transition exists forJ(n)=n −α when 1 〈 α 〈 2. A possible extension of these results to Heisenberg ferromagnets is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01645907
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  • 10
    Electronic Resource
    Electronic Resource
    The variance of the error function in the shifted circle problem is a wild function of the shift (1994)
    Springer
    Communications in mathematical physics 160 (1994), S. 493-505 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract We prove that the variance of the error function in the shifted circle problem, as a function of the shift, is a continuous function which has a sharp local maximum with infinite derivatives at every rational point on a plane.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02173426
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