Monopole and photon contributions to abelian Wilson loops are calculated using Monte-Carlo simulations of finite-temperature SU(2) QCD in the maximally abelian gauge. Long monopole loops alone are responsible for the behavior of the string tension in the confinement phase up to the critical βc. Short monopole loops and photons do not contribute to the string tension. The abelian and the monopol...

Cobalt nanowires with a diameter in the range between 50 to 100nm can be prepared as single-crystal wires with the easy axis (the c-axis) perpendicular to the wire axis. The competition between the crystal anisotropy and demagnetization energy frustrates the magnetization direction. A periodic modulation of the angle θ between M and the wire axis yields a lower energy. PACS: In recent years mag...

Abstract Complex stress states due to torsion lead dislocation structures characteristic for the chosen axis. The formation mechanism of these and link overall plastic deformation are unclear. Experiments allow analysis cross sections only ex situ or limited in spacial resolution which prohibits identification substructures form within volume. Discrete dynamics simulations give full access stru...

We present results from magnetic monopoles in SU (2) lattice gauge theory at finite temperature. The lattices are 16 3 × N t , for N t = 4, 6, 8, 12, at β = 2.5115. Quantities discussed are: the spacial string tension, Polyakov loops, and the screening of timelike and spacelike magnetic currents.