55 citations · 288 across the 12 of their papers we have counts for
12 papers
A phase field crystal theory of the kinematics of dislocation lines
Vidar Skogvoll, Luiza Angheluta, Audun Skaugen +2
We introduce a dislocation density tensor and derive its kinematic evolution law from a phase field description of crystal deformations in three dimensions. The phase field crystal…
Depinning exponents of thin film domain walls depend on disorder strength
Audun Skaugen, Lasse Laurson
Domain wall dynamics in ferromagnets is complicated by internal degrees of freedom of the domain walls. We develop a model of domain walls in disordered thin films with perpendicul…
Stress in ordered systems: Ginzburg-Landau type density field theory
Vidar Skogvoll, Audun Skaugen, Luiza Angheluta
We present a theoretical method for deriving the stress tensor and elastic response of ordered systems within a Ginzburg-Landau type density field theory in the linear regime. This…
Dislocation nucleation in the phase field crystal model
Vidar Skogvoll, Audun Skaugen, Luiza Angheluta +1
We use the phase field crystal model to study nucleation of edge dislocations in two dimensions under an applied stress field. A dislocation dipole nucleates under the applied stre…
Machine learning depinning of dislocation pileups
Mika Sarvilahti, Audun Skaugen, Lasse Laurson
We study a one-dimensional model of a dislocation pileup driven by an external stress and interacting with random quenched disorder, focusing on predictability of the plastic defor…
Classical analogies for the force acting on an impurity in a Bose-Einstein condensate
Jonas Rønning, Audun Skaugen, Emilio Hernández-García +2
We study the hydrodynamic forces acting on a small impurity moving in a two-dimensional Bose-Einstein condensate at non-zero temperature. The condensate is modelled by the damped-G…
Analytical computation of the demagnetizing energy of thin film domain walls
Audun Skaugen, Peyton Murray, Lasse Laurson
Due to its non-local nature, calculating the demagnetizing field remains the biggest challenge in understanding domain structures in ferromagnetic materials. Analytical description…
Mesoscale model of dislocation motion and crystal plasticity
Audun Skaugen, Luiza Angheluta, Jorge Viñals
A consistent, small scale description of plastic motion in a crystalline solid is presented based on a phase field description. By allowing for independent mass motion given by the…
Dislocation dynamics and crystal plasticity in the phase field crystal model
Audun Skaugen, Luiza Angheluta, Jorge Viñals
A phase field model of a crystalline material at the mesoscale is introduced to develop the necessary theoretical framework to study plastic flow due to dislocation motion. We firs…
Origin of the inverse energy cascade in two-dimensional quantum turbulence
Audun Skaugen, Luiza Angheluta
We establish a statistical relationship between the inverse energy cascade and the spatial correlations of clustered vortices in two-dimensional quantum turbulence. The Kolmogorov…
Vortex clustering and universal scaling laws in two-dimensional quantum turbulence
Audun Skaugen, Luiza Angheluta
We investigate numerically the statistics of quantized vortices in two-dimensional quantum turbulence using the Gross-Pitaevskii equation. We find that a universal scaling l…
Velocity statistics for non-uniform configurations of point vortices
Audun Skaugen, Luiza Angheluta
Within the point vortex model, we compute the probability distribution function of the velocity fluctuations induced by same-signed vortices scattered within a disk according to a…