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  1. AU="Saridakis, E N"
  2. AU="Vithana, Eranga N"
  3. AU="Suárez-Lledó, M"
  4. AU="Olivo-Marston, Susan"
  5. AU="Denise P Momesso"
  6. AU="Obrecht-Sturm, Denise"

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  1. Article: Constraining

    Capozziello, S / Lambiase, G / Saridakis, E N

    The European physical journal. C, Particles and fields

    2017  Volume 77, Issue 9, Page(s) 576

    Abstract: We use Big Bang Nucleosynthesis (BBN) observational data on the primordial abundance of light elements to ... ...

    Abstract We use Big Bang Nucleosynthesis (BBN) observational data on the primordial abundance of light elements to constrain
    Language English
    Publishing date 2017-08-31
    Publishing country France
    Document type Journal Article
    ZDB-ID 1459069-4
    ISSN 1434-6052 ; 1434-6044
    ISSN (online) 1434-6052
    ISSN 1434-6044
    DOI 10.1140/epjc/s10052-017-5143-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Classical evolution of fractal measures on the lattice.

    Antoniou, N G / Diakonos, F K / Saridakis, E N / Tsolias, G A

    Physical review. E, Statistical, nonlinear, and soft matter physics

    2007  Volume 75, Issue 4 Pt 1, Page(s) 41111

    Abstract: We consider the classical evolution of a lattice of nonlinear coupled oscillators for a special case of initial conditions resembling the equilibrium state of a macroscopic thermal system at the critical point. The displacements of the oscillators define ...

    Abstract We consider the classical evolution of a lattice of nonlinear coupled oscillators for a special case of initial conditions resembling the equilibrium state of a macroscopic thermal system at the critical point. The displacements of the oscillators define initially a fractal measure on the lattice associated with the scaling properties of the order parameter fluctuations in the corresponding critical system. Assuming a sudden symmetry breaking (quench), leading to a change in the equilibrium position of each oscillator, we investigate in some detail the deformation of the initial fractal geometry as time evolves. In particular, we show that traces of the critical fractal measure can be sustained for large times, and we extract the properties of the chain that determine the associated time scales. Our analysis applies generally to critical systems for which, after a slow developing phase where equilibrium conditions are justified, a rapid evolution, induced by a sudden symmetry breaking, emerges on time scales much shorter than the corresponding relaxation or observation time. In particular, it can be used in the fireball evolution in a heavy-ion collision experiment, where the QCD critical point emerges, or in the study of evolving fractals of astrophysical and cosmological scales, and may lead to determination of the initial critical properties of the Universe through observations in the symmetry-broken phase.
    Language English
    Publishing date 2007-04
    Publishing country United States
    Document type Journal Article
    ISSN 1539-3755
    ISSN 1539-3755
    DOI 10.1103/PhysRevE.75.041111
    Database MEDical Literature Analysis and Retrieval System OnLINE

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