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  • Undaria pinnatifida  (2)
  • Conference proceedings  (1)
  • PACS. 05.40.+j Fluctuation phenomena, random processes, and Brownian motion  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Slow dynamics in glasses (1994)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 16 (1994), S. 939-947 
    Details
    ISSN: 0392-6737
    Keywords: Spin-glass and other random models ; Glass transitions ; PACS 01.30.Cc ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary We will review some of the theoretical progresses that have been recently done in the study of slow dynamics of glassy systems: the general techniques used for studying the dynamics in the mean-field approximation and the emergence of a pure dynamical transition in some of these systems. We show how the results obtained for a random Hamiltonian may be also applied to a given Hamiltonian. These two results open the way to a better understanding of the glassy transition in real systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02458780
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    On the 1/D expansion for directed polymers (1999)
    Springer
    The European physical journal 8 (1999), S. 603-611 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 05.40.+j Fluctuation phenomena, random processes, and Brownian motion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We present a variational approach for directed polymers in D transversal dimensions which is used to compute the correction to the mean field theory predictions with broken replica symmetry. The trial function is taken to be a symmetrized version of the mean-field solution, which is known to be exact for . We compute the free energy corresponding to that function and show that the finite-D corrections behave like D -4/3 . It means that the expansion in powers of 1/D should be used with great care here. We hope that the techniques developed in this note will be useful also in the study of spin glasses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100510050727
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Distribution of introduced Japanese macroalgae Undaria pinnatifida, Sargassum muticum (Phaeophyta) and Antithamnion Pectinatum (Rhodophyta) in the Lagoon of Venice (1998)
    Springer
    Hydrobiologia 385 (1998), S. 17-22 
    Details
    ISSN: 1573-5117
    Keywords: Undaria pinnatifida ; Sargassum muticum ; Antithamnion pectinatum ; Lagoon of Venice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The present distribution of invasive seaweeds Undaria pinnatifida (Phaeophyta, Laminariales) and Sargassum muticum (Phaeophyta, Fucales) in the Lagoon of Venice is updated in this work. The distribution of Antithamnion pectinatum (Rhodophyta, Ceramiales) is presented for the first time. All these species have quickly colonized the hard substrata competing with indigenous species. Competition acts differently in the two species, U. pinnatifida competing for the substratum and S. muticum for light. On tidal flats composed of silt and sand, the growth of two brown seaweeds is restricted owing to the lack of a solid substrata. While Undaria pinnatifida and Sargassum muticum have colonized only some areas of the lagoon in a short vertical range (from 0 to -3 m), Antithamnion pectinatum is present on the three portmouths, along the inner shores of the city of Venice, and in the lagoon islands with extensive vertical distribution (from +0.2 to -8 m).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003437105147
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Distribution of introduced Japanese macroalgae Undaria pinnatifida, Sargassum muticum (Phaeophyta) and Antithamnion Pectinatum (Rhodophyta) in the Lagoon of Venice (1998)
    Springer
    Hydrobiologia 385 (1998), S. 17-22 
    Details
    ISSN: 1573-5117
    Keywords: Undaria pinnatifida ; Sargassum muticum ; Antithamnion pectinatum ; Lagoon of Venice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The present distribution of invasive seaweeds Undaria pinnatifida (Phaeophyta, Laminariales) and Sargassum muticum (Phaeophyta, Fucales) in the Lagoon of Venice is updated in this work. The distribution of Antithamnion pectinatum (Rhodophyta, Ceramiales) is presented for the first time. All these species have quickly colonized the hard substrata competing with indigenous species. Competition acts differently in the two species, U. pinnatifida competing for the substratum and S. muticum for light. On tidal flats composed of silt and sand, the growth of two brown seaweeds is restricted owing to the lack of a solid substrata. While Undaria pinnatifida and Sargassum muticum have colonized only some areas of the lagoon in a short vertical range (from 0 to -3 m), Antithamnion pectinatum is present on the three portmouths, along the inner shores of the city of Venice, and in the lagoon islands with extensive vertical distribution (from +0.2 to -8 m).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003437105147
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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