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cond-mat.stat-mech2003★ 20 cited
Kink-Antikink Unbinding Transition in the Two Dimensional Fully Frustrated XY Model
Peter Olsson, S. Teitel
We carry out the first numerical simulations to directly confirm the existence of a kink-antikink unbinding transition, T_w, along Ising-like domain walls in the two dimensional fu…
cond-mat.stat-mech2001★ 8 cited
Critical exponent η_ϕof the Lattice London Superconductor and vortex loops in the 3D XY model
Peter Olsson
The anomalous dimension of the lattice London superconductor is determined from finite size scaling of the susceptibility to be η_ϕ= -0.79(1). Indirect determinations of η_ϕfrom pr…
cond-mat.stat-mech2000
The Transition in the Two-Dimensional Step Model: A Kosterlitz-Thouless Transition in Disguise
Peter Olsson, Petter Holme
Evidence for a Kosterlitz-Thouless transition in the 2D step model is obtained from Monte Carlo determinations of the helicity modulus. It is argued that the free energy of a singl…