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Updated: Jul 13, 2026

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement
Published on: November 7, 2017
Coherent dynamics of domain formation in the Bose ferromagnet
1Department of Physics, University of Science and Technology Beijing, Beijing 100083, China.
Abstract:
We present a theory to describe domain formation observed very recently in a quenched 87Rb gas, a typical ferromagnetic spinor Bose system. An overlap factor is introduced to characterize the symmetry breaking of MF=+/-1 components for the F=1 ferromagnetic condensate. We demonstrate that the domain formation is a coeffect of the quantum coherence and the thermal relaxation. A thermally enhanced quantum oscillation is observed during the dynamical process of the domain formation. And the spatial separation of domains leads to significant decay of the MF=0 component fraction in an initial MF=0 condensate.
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