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Spatiotemporal Stochastic Resonance in Fully Frustrated Josephson Ladders
Beom Jun Kim, Mahn-Soo Choi, Petter Minnhagen +3
We consider a Josephson-junction ladder in an external magnetic field with half flux quantum per plaquette. When driven by external currents, periodic in time and staggered in spac…
Anomalous dynamic response in the two-dimensional lattice Coulomb gas model: Effects of pinning
Beom Jun Kim, Petter Minnhagen
It is demonstrated through Monte Carlo simulations that the one component lattice Coulomb gas model in two dimensions under certain conditions display features of an anomalous dyna…
Current-voltage characteristics of the two-dimensional XY model with Monte Carlo dynamics
Beom Jun Kim
Current-voltage characteristics and the linear resistance of the two-dimensional XY model with and without external uniform current driving are studied by Monte Carlo simulations.…
Analysis of current-voltage characteristics of two-dimensional superconductors: finite-size scaling behavior in the vicinity of the Kosterlitz Thouless transition
Kateryna Medvedyeva, Beom Jun Kim, Petter Minnhagen
It has been suggested [Pierson et al., Phys. Rev. B 60, 1309 (1999); Ammirata et al., Physica C 313, 225 (1999)] that for 2D superconductors there exists a phase transition with th…
Finite-temperature resistive transition in the two-dimensional XY gauge glass model
Beom Jun Kim
We investigate numerically the resistive transition in the two-dimensional XY gauge glass model. The resistively-shunted junction dynamics subject to the fluctuating twist boundary…
Dynamic critical exponent of two-, three-, and four-dimensional XY models with relaxational and resistively shunted junction dynamics
Lars Melwyn Jensen, Beom Jun Kim, Petter Minnhagen
The dynamic critical exponent is determined numerically for the -dimensional XY model (, and 4) subject to relaxational dynamics and resistively shunted junction dyn…