41 citations · 96 across the 7 of their papers we have counts for
7 papers
Dynamical structure factor of magnetic Bloch oscillations at finite temperatures
Olav F. Syljuåsen
Domain-walls in one-dimensional Ising ferromagnets can undergo Bloch oscillations when subjected to a skew magnetic field. Such oscillations imply finite temperature non-dispersive…
Inducing spin-dependent tunneling to probe magnetic correlations in optical lattices
K. G. L. Pedersen, B. M. Andersen, O. F. Syljuasen +2
We suggest a simple experimental method for probing antiferromagnetic spin correlations of two-component Fermi gases in optical lattices. The method relies on a spin selective Rama…
Spectral signatures of magnetic Bloch oscillations in one-dimensional easy-axis ferromagnets
Sergey Shinkevich, Olav F. Syljuåsen
Domain walls in a one-dimensional gapped easy-axis ferromagnet can exhibit Bloch oscillations in an applied magnetic field. We investigate how exchange couplings modify this behavi…
Measuring spin correlations in optical lattices using superlattice potentials
K. G. L. Pedersen, B. M. Andersen, G. M. Bruun +2
We suggest two experimental methods for probing both short- and long-range spin correlations of atoms in optical lattices using superlattice potentials. The first method involves a…
Spin wave calculation of the field-dependent magnetization pattern around an impurity in Heisenberg antiferromagnets
Sergey Shinkevich, Olav F. Syljuåsen, Sebastian Eggert
We consider the magnetic-field dependent spatial magnetization pattern around a general impurity embedded in a Heisenberg antiferromagnet using both an analytical and a numerical s…
Sublattice ordering in a dilute ensemble of defects in graphene
V. V. Cheainov, O. Syljuasen, B. L. Altshuler +1
Defects in graphene, such as vacancies or adsorbents attaching themselves to carbons, may preferentially take positions on one of its two sublattices, thus breaking the global latt…
Quantum renormalization of high energy excitations in the 2D Heisenberg antiferromagnet
Olav F. Syljuasen, Henrik M. Ronnow
We find using Monte Carlo simulations of the spin-1/2 2D square lattice nearest neighbour quantum Heisenberg antiferromagnet that the high energy peak locations at (pi,0) and (pi/2…