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Browsing by Author "Saccani, Sebastiano"

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Browsing by Author "Saccani, Sebastiano"

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  • Excitation spectrum of a supersolid
    Saccani, Sebastiano; Moroni, Saverio; Boninsegni, Massimo (American Physical Society, 2012-04-24)
    Conclusive experimental evidence of a supersolid phase in any known condensed matter system is presently lacking. On the other hand, a supersolid phase has been recently predicted for a system of spinless bosons in continuous ...
  • Phase diagram of soft-core bosons in two dimensions
    Saccani, Sebastiano; Moroni, Saverio; Boninsegni, Massimo (American Physical Society, 2011-03-23)
    The low temperature phase diagram of Bose soft disks in two dimensions is studied by numerical simulations. It is shown that a supersolid cluster phase exists, within a range of the model parameters, analogous to that ...
  • Quantum Monte Carlo studies of soft Bosonic systems and Minimum Energy Pathways.
    Saccani, Sebastiano (SISSA, 2013-03-06)
    In this thesis, we make use of Monte Carlo techniques to address two rather different subjects in condensed matter physics. The first study deals with the characterization of a relatively novel and elusive phase of ...