Browsing CRIStin høstingsarkiv by Author "Paaske, Jens"

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  • Cooper pair induced frustration and nematicity of two-dimensional magnetic adatom lattices 
    Schecter, Michael; Syljuåsen, Olav Fredrik; Paaske, Jens (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    We propose utilizing the Cooper pair to induce magnetic frustration in systems of two-dimensional (2D) magnetic adatom lattices on s-wave superconducting surfaces. The competition between singlet electron correlations and ...
  • Interplay between magnetic and vestigial nematic orders in the layered J1-J2 classical Heisenberg model 
    Syljuåsen, Olav Fredrik; Paaske, Jens; Schecter, Michael (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    We study the layered J1− J 2 classical Heisenberg model on the square lattice using a self-consistent bond theory. We derive the phase diagram for fixed J1 as a function of temperature T, J2, and interplane coupling Jz. ...
  • Nematic Bond Theory of Heisenberg Helimagnets 
    Schecter, Michael; Syljuåsen, Olav Fredrik; Paaske, Jens (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    We study classical two-dimensional frustrated Heisenberg models with generically incommensurate ground states. A new theory for the lattice-nematic “order by disorder” transition is developed based on the self-consistent ...