Shock waves in one-dimensional Heisenberg ferromagnets

Nonlinear Sciences – Exactly Solvable and Integrable Systems

Scientific paper

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10 pages, with 3 ps figures

Scientific paper

10.1103/PhysRevB.58.14892

We use SU(2) coherent state path integral formulation with the stationary phase approximation to investigate, both analytically and numerically, the existence of shock waves in the one- dimensional Heisenberg ferromagnets with anisotropic exchange interaction. As a result we show the existence of shock waves of two types,"bright" and "dark", which can be interpreted as moving magnetic domains.

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